What is the price of bronze transformer spade terminal castings from India?

The indicative price for LG2 gunmetal bronze transformer spade terminal castings is US$ 14.50 per kilogram FOB India. Final price depends on alloy grade, weight, quantity, machining, and plating.

What is the minimum order quantity for bronze spade terminal castings?

Minimum order quantity is 50 pieces for prototype orders and 500 pieces for production orders. Volume pricing available for annual programs above 5,000 kg.

Bronze Transformer Spade Terminal Casting – Permanent Mold Cast Bronze Parts by Stainless Steel Fittings India — Bronze Transformer Spade Terminal Casting – Permanent Mold Cast Bronze, C93200, C95400 Alloys

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Bronze Transformer Spade Terminal Casting – Permanent Mold Cast Electrical Connectors | Stainless Steel Fittings India

Q: Which bronze alloy is best for transformer LV terminal spade castings?

Gunmetal LG2 (ASTM C83600) is the most widely specified alloy for LV transformer secondary spade terminals, offering 9-11% IACS conductivity, 220 MPa UTS, and excellent machinability.

Stainless Steel Fittings India is a leading manufacturer and exporter of permanent mold cast bronze transformer spade terminal castings, supplying precision copper alloy electrical connectors and busbar spade lugs to electrical OEMs, EPC contractors, power utilities, transformer manufacturers, and switchgear distributors worldwide. Our permanent mold gravity die casting process produces dimensionally accurate, high-conductivity bronze spade terminals with superior mechanical strength, excellent solderability, and long-term corrosion resistance for transformer LV/HV connections, busbar terminations, distribution panels, and substation equipment. Indicative price: US$ 14.50 per kilogram FOB India (subject to alloy grade, quantity, and part complexity).

Product Overview: Permanent Mold Cast Bronze Transformer Spade Terminals

Bronze transformer spade terminal castings produced by the permanent mold (gravity die casting) process are precision-cast copper-tin alloy or leaded bronze electrical connectors designed for high-current, low-resistance termination in power distribution and transformer applications. Unlike sand-cast or forged terminals, permanent mold castings deliver a near-net-shape component with refined grain structure, tighter dimensional tolerances (CT4–CT6 per ISO 8062-3), and improved electrical conductivity—making them the preferred choice for high-reliability applications in transformer bushings, panel board terminations, busbar connectors, cable lugs, and switchgear assemblies.

1. Alloy Composition and Material Families

Stainless Steel Fittings India processes all major copper alloy families used in electrical terminal applications: gunmetal (tin bronze) grades LG2 (C83600) and LG4 (C83800), leaded red brass (C84400), phosphor bronze (C90300, C90500), and high-conductivity copper alloys (C10100, C11000) for critical low-resistance joints. Alloy selection is governed by the trade-off between electrical conductivity, mechanical strength (tensile 180–280 MPa), hardness (60–90 HB), machinability, and corrosion resistance. Tin bronze alloys (8–12% Sn) offer the best combination of conductivity and strength for transformer terminal castings, while leaded bronze grades (Pb 4–6%) provide superior machinability for post-cast drilling and threading of bolt holes, cable entry ports, and flat contact faces.

2. Permanent Mold Process Advantages for Spade Terminals

The permanent mold gravity die casting process is uniquely suited for bronze transformer spade terminals due to its ability to produce consistently dense, porosity-free castings in high-volume repetitive production. Steel dies are precision-machined to CT4–CT6 tolerances, eliminating the dimensional variability inherent in sand casting. The controlled solidification rate within the steel mold produces a fine-grained microstructure with superior mechanical properties compared to sand-cast equivalents—critical for terminals subjected to clamping torque, thermal cycling, and short-circuit current forces. Typical production cycle times of 90–180 seconds per cavity enable economical production of 500–5,000+ pieces per day with minimal variation in weight, dimensions, and electrical contact resistance.

3. Electrical Performance and Conductivity

Transformer spade terminal castings must meet stringent electrical performance requirements including low contact resistance (typically <50 µΩ for flat spade contact faces), high current-carrying capacity (50A–3000A depending on cross-section), and long-term stability under continuous operating temperatures of 90°C–130°C. Our gunmetal (LG2) castings achieve electrical conductivity of 9–13% IACS, while leaded red brass grades reach 14–18% IACS—suitable for LV transformer secondary terminals, neutral bars, and earth connection points. For applications requiring higher conductivity, we also supply cast copper (C11000, 99% IACS) and copper-chromium alloy spade terminals through our investment casting and gravity die casting lines, providing a single-source solution for all transformer terminal requirements.

4. Dimensional Range, Weight, and Production Volumes

We supply permanent mold cast bronze spade terminals from 50 grams to 15 kilograms per piece, with overall dimensions up to 400 × 300 × 200 mm. Standard spade flat widths range from 16 mm to 120 mm, with bolt hole diameters of M6 to M30 and contact face flatness of 0.05–0.15 mm. Production flexibility spans prototype quantities (50–200 pieces) to mass production programs exceeding 10,000 pieces per month using multiple permanent mold machines with automated extraction and cooling. Our foundry maintains a lead time of 3–5 weeks for new tooling and 1–2 weeks for repeat orders, with expedited options for power utility and EPC project schedules.

5. Alloy Grades Processed and International Equivalents

Our metallurgical team sources certified raw materials (copper ingots, tin, lead, zinc, phosphorus) from approved suppliers and maintains full material traceability from melt to dispatch. All heats are recorded with batch numbers, chemical composition certificates, and hardness test records. We supply castings conforming to international standards ASTM B584, BS 1400, IS 318, DIN 1705, and EN 1982, enabling direct supply to global transformer OEM procurement specifications under any regional standard.

6. Surface Finish, Plating, and Post-Cast Operations

As-cast bronze spade terminals have a surface roughness of Ra 3.2–6.3 µm from the permanent mold. Post-cast operations available in-house include CNC milling of contact faces (Ra ≤ 0.8 µm), drilling and tapping of bolt holes, tin plating (3–15 µm per IEC 60068-2-20), nickel plating (5–25 µm), silver plating (3–10 µm for premium contact surfaces), and passivation. Tin plating is standard for most transformer LV terminal applications, preventing copper oxide formation and ensuring consistent contact resistance throughout the equipment’s 25–40 year service life. All plating operations are carried out by approved sub-vendors under our quality management system with incoming inspection of plating thickness and adhesion.

7. Applications Across Transformer and Switchgear Types

Bronze spade terminal castings are used across distribution transformers (11kV/415V, 33kV/11kV), power transformers (66kV–400kV), dry-type transformers (cast resin, VPI), autotransformers, instrument transformers (CTs, VTs), busbar trunking systems, LV/MV switchgear panels, motor control centers (MCCs), automatic transfer switches (ATS), and power factor correction (PFC) banks. Each application imposes specific dimensional, current-rating, and environmental requirements, which our application engineering team evaluates at the design review stage to recommend the optimal alloy, plating, and dimensional configuration.

Key Features of Bronze Transformer Spade Terminal Castings

Dimensional tolerance CT4–CT6 (ISO 8062-3) directly from permanent mold
Surface finish Ra 3.2–6.3 µm as-cast; Ra ≤ 0.8 µm after face milling
Weight range: 50 g to 15 kg per piece
Alloys: LG2, LG4, C83600, C83800, C84400, C90300, C11000
Supply to ASTM B584, BS 1400, IS 318, EN 1982, DIN 1705
In-house CNC machining, tin/nickel/silver plating, NDT
Full material traceability with OES chemical analysis per heat
ISO 9001:2015 certified manufacturing operations

High Electrical Conductivity

Gunmetal LG2 castings deliver 9–13% IACS, leaded red brass 14–18% IACS, and cast copper terminals up to 95% IACS. Low contact resistance (<50 µΩ) at machined contact faces ensures minimal losses at high-current transformer terminals. Alloy selection is benchmarked against IEC 60076 transformer terminal requirements and IEC 61439 switchgear busbar specifications. Tin plating adds a low-resistance, oxidation-resistant surface layer that maintains contact integrity over 25+ years of field service, meeting IEC 60352-2 snap-in connector standards.

Mechanical Strength and Torque Resistance

Permanent mold cast bronze spade terminals exhibit tensile strength of 180–280 MPa, yield strength of 80–140 MPa, elongation of 8–18%, and Brinell hardness of 60–90 HB depending on alloy grade. These properties allow terminals to withstand the clamping torques (8–80 Nm for M8–M24 bolts) applied during transformer assembly, as well as the electromagnetic forces generated during short-circuit fault conditions (peak forces of 0.5–10 kN depending on fault current level). Our QC protocol includes dimensional inspection on all pieces and mechanical property testing on sample castings from each production batch.

Corrosion and Environmental Resistance

Bronze alloys provide inherent atmospheric corrosion resistance due to the stable copper oxide passivation layer. Tin plating provides additional protection in humid, tropical, and coastal environments (IEC 60068-2-52 salt spray). Operating temperature range for LG2 spade terminals is -40°C to +180°C, with no risk of stress corrosion cracking under the alkaline or neutral pH environments encountered in transformer oil-filled equipment or resin-encapsulated bushings. Castings meet UV resistance requirements for outdoor switchgear applications when appropriate plating is applied.

Precision Dimensional Accuracy

CT4–CT6 tolerances directly from permanent mold minimize post-cast machining requirements, reducing lead time and cost. Critical dimensions—spade flat width, bolt hole pitch, contact face flatness, and overall length—are held to ±0.1–0.3 mm directly from casting, with tighter tolerances achievable via CNC finishing. CMM inspection is performed on first articles and statistically on production runs using Mitutoyo coordinate measuring equipment. This dimensional precision ensures consistent assembly fit in transformer terminal boards, bus clamps, and cable lug assemblies without manual fitting or rework.

Solderability and Weldability

Tin bronze and leaded bronze castings offer excellent solderability per IEC 60068-2-20 (Sn60Pb40, lead-free SAC305 solder alloys), important for secondary terminal board assemblies in instrument transformers. For butt-welded busbar applications, our copper-rich alloy (C11000) spade terminals are certified for TIG and MIG welding per AWS D1.3, with full penetration weld procedures qualified to guarantee joint strength ≥ parent metal. Post-weld stress relief (200°C × 2h) is available as a standard operation for large welded terminal assemblies.

Food, Pharmaceutical, and Special Grade Availability

For medium-voltage dry-type transformer terminals used in food processing plants, pharmaceutical facilities, and healthcare infrastructure, we supply RoHS-compliant, lead-free bronze alloys (C90300 phosphor bronze, C11000 copper) with electroless nickel plating (ENP 25–75 µm, phosphorus 6–9%) to meet hygiene and halogen-free requirements. These grades are also suitable for marine transformer applications aboard naval vessels and offshore platforms where MIL-DTL-16232 nickel plating specifications apply.

Technical Specifications

Parameter	Specification
Casting Process	Permanent Mold Gravity Die Casting
Weight Range	50 g to 15 kg
Max Dimensions	400 × 300 × 200 mm
Wall Thickness (min.)	3 mm
Dimensional Tolerance	CT4–CT6 (ISO 8062-3)
Surface Finish (as-cast)	Ra 3.2–6.3 µm
Surface Finish (machined)	Ra ≤ 0.8 µm
Pouring Temperature	1,050–1,150 °C (alloy dependent)
Mold Material	H13 / P20 tool steel, graphite coated
Heat Treatment	Stress relief anneal (as required)
NDT Methods	LPT (ASTM E165), UT (ASTM E428), visual
Plating Options	Tin (3–15 µm), Nickel (5–25 µm), Silver (3–10 µm)
Lead Time (new tooling)	3–5 weeks
Lead Time (repeat orders)	1–2 weeks
MOQ	50 pieces (prototype); 500 pieces (production)
Packaging	Wooden crate / palletized, VCI-packed for export
Certifications	ISO 9001:2015, ASTM, BS, IS, EN, DIN
Indicative Price – LG2 Bronze	US$ 14.50 / kg FOB India

Bronze Alloy Grades: Raw Material and International Equivalents

Common Name	ASTM / UNS	BS 1400	IS 318	EN 1982	DIN 1705	Conductivity (% IACS)	Price Indicator
Gunmetal LG2	B584 C83600	LG2	Grade LTB2	CC491K	Rg5	9–11%	~US$ 14.50/kg
Gunmetal LG4	B584 C83800	LG4	Grade LTB4	CC492K	Rg7	10–13%	~US$ 14.80/kg
Leaded Red Brass	B584 C84400	SCB3	—	CC499K	—	14–18%	~US$ 13.80/kg
Phosphor Bronze C90300	B584 C90300	PB1	Grade PB1	CC481K	Sn10	9–12%	~US$ 15.50/kg
Phosphor Bronze C90500	B584 C90500	PB2	Grade PB2	CC482K	Sn12	8–11%	~US$ 16.00/kg
ETP Copper	B584 C11000	C101	—	CW004A	—	95–100%	~US$ 18.00/kg
Leaded Tin Bronze	B584 C92200	LTB2	Grade 3	CC493K	Rg10	8–10%	~US$ 15.00/kg
Silicon Bronze Low B	B584 C65100	SB2	—	CC762S	CuSi1	12–15%	~US$ 16.50/kg
Silicon Bronze High A	B584 C65500	SB4	—	CC764S	CuSi3Mn1	7–9%	~US$ 17.00/kg
Silicon Bronze C87300	B584 C87300	SB6	—	CC766S	CuSi3Mn	6–8%	~US$ 17.20/kg
Silicon Brass C87500	B584 C87500	—	—	CC768S	CuZn16Si4	7–10%	~US$ 16.80/kg
Silicon Bronze C87600	B584 C87600	—	—	CC769S	CuSi3Zn3Mn	6–9%	~US$ 17.10/kg
Aluminum Bronze 9A	B584 C95200	AB1	Grade AB1	CC330G	CuAl9	12–15%	~US$ 15.80/kg
Aluminum Bronze 9B	B584 C95300	AB2	Grade AB2	CC331G	CuAl10Ni3Fe2	11–14%	~US$ 16.20/kg
Aluminum Bronze 9C	B584 C95400	AB3	Grade AB3	CC333G	CuAl10Fe3	10–13%	~US$ 16.50/kg
Ni-Aluminum Bronze	B584 C95500	AB2C	Grade AB4	CC334G	CuAl10Ni5Fe4	8–10%	~US$ 17.50/kg
Si-Aluminum Bronze	B584 C95600	AB6	—	CC335G	CuAl9Si1	9–12%	~US$ 17.00/kg
Mn-Ni-Al Bronze	B584 C95700	AB7	—	CC336G	CuAl8Mn13Fe3Ni2	6–8%	~US$ 17.80/kg
Propeller-Grade Al Bronze	B148 C95800	AB8	Grade AB5	CC337G	CuAl9Fe5Ni5	7–9%	~US$ 18.00/kg
Aluminum Bronze C63000	B150 C63000	CA103	—	CW307G	CuAl10Ni5	7–10%	~US$ 17.60/kg
Ni-Al Bronze C63200	B150 C63200	CA104	—	CW308G	CuAl10Ni8	6–8%	~US$ 18.50/kg

Product Types and Variants

Product Type	Typical Alloys	Weight Range	Key Applications
Flat Spade Terminal (single hole)	LG2, C83600	100–800 g	Distribution transformer LV secondary terminals, cable lug connections
Double-Hole Spade Terminal	LG2, LG4	200 g–2 kg	HV bushing connectors, high-current transformer primary terminals
Offset Spade Terminal	C84400, LG4	150 g–1.5 kg	Tight-clearance installations in compact dry-type transformers
T-Bar / Cross Spade Terminal	LG2, C90300	300 g–3 kg	Neutral bar connections, three-phase transformer star-point earthing
Busbar Spade Lug (rigid)	C11000, LG2	500 g–5 kg	Busbar trunking terminations, switchgear busbars, MCC panels
Earth Clamp / Ground Spade	C83600, C84400	100–600 g	Transformer tank earthing, substation grounding systems
Tinned Spade Terminal	LG2 + Sn plating	50 g–1 kg	Instrument transformer secondary terminals, relay panels, control wiring
Silver-Plated Spade Terminal	C90300 + Ag plating	200 g–2 kg	High-frequency transformer connections, power electronics, inverters

Applications by Industry

Industry	Typical Components	Preferred Alloys
Power Transformer OEMs	LV/HV bushing terminals, neutral bar lugs, tap changer connectors, cooling fan terminals	LG2, LG4, C83600
Distribution Transformer Manufacturers	Secondary winding terminals, cable box connectors, low-voltage spade lugs	LG2, C84400
Electrical OEMs / Switchgear	Busbar clamps, panel board spade terminals, earth bar connectors, circuit breaker terminals	LG2, C11000
EPC / Power Infrastructure	Substation terminal clamps, cable termination kits, earthing hardware, busbar joints	LG2, LG4, C84400
Dry-Type Transformer Manufacturers	Cast resin winding terminals, LV output terminals, HV connection spades	C90300, C11000
Marine and Naval	Shore power transformer terminals, ship switchboard connectors, MIL-spec lugs	LG2 + Ni plating, C90300
Renewable Energy (Solar / Wind)	Inverter transformer terminals, combiner box lugs, grid connection hardware	LG2, C11000
Industrial Process Plants	Motor transformer terminals, VFD input/output lugs, harmonic filter connections	LG4, C83600

Manufacturing Process: Permanent Mold Bronze Spade Terminal Casting

Step 1: Die Design and Tooling

Permanent mold dies for bronze spade terminals are precision-machined from H13 hot-work tool steel with hard chrome plating on cavity surfaces to resist copper alloy erosion. Die design incorporates draft angles of 1°–3°, parting line geometry, riser and gating systems sized for controlled solidification, and ejector pin locations that avoid functional surfaces. A graphite-based die lubricant/release coating is applied before each pour cycle to ensure clean release and extend die life to 50,000–100,000+ shots.

Step 2: Melt Preparation and Chemistry Control

Bronze alloys are melted in induction furnaces (50–250 kg capacity) under controlled atmosphere. Charge materials—electrolytic copper, tin, lead, zinc ingots—are proportioned to target chemistry, and melt composition is verified by optical emission spectrometry (OES) before pouring. Degassing is performed using nitrogen lancing or solid degassing tablets to minimize hydrogen porosity. Melt temperature is controlled to ±10°C of the target pouring temperature using calibrated thermocouple probes.

Step 3: Gravity Pouring and Solidification

Molten bronze is poured into preheated steel dies (180–250°C) by gravity through a controlled gating system. The pouring rate is regulated by ladle geometry and operator technique to prevent turbulence and oxide entrainment. Solidification progresses from the thin sections (spade flat, bolt boss) toward the riser, ensuring directional solidification and minimal shrinkage porosity in the critical electrical contact zones.

Step 4: Extraction, Fettling, and Cleaning

After solidification (30–90 seconds), castings are extracted using ejector pins or tongs, trimmed of gates and risers by band saw or hydraulic trimming press, and shot-blasted to remove scale and achieve uniform surface texture. Dimensional checks on first-off and sample pieces verify conformance to drawing tolerances before batch release.

Step 5: CNC Machining and Drilling

Contact faces are CNC-milled to Ra ≤ 0.8 µm flatness. Bolt holes and cable entry ports are drilled, reamed, and threaded (M6–M30) on CNC machining centers with positional accuracy of ±0.05 mm. All machining operations are documented against the part traveler, with tool life monitoring to prevent dimensional drift.

Step 6: Plating and Surface Treatment

Cleaned castings proceed to plating per customer specification: electroplated tin (IEC 60068-2-20), electroless nickel (ASTM B733), electroplated silver (ASTM B700), or bright nickel for cosmetic applications. Plating thickness and adhesion are verified by X-ray fluorescence (XRF) measurement and cross-section analysis.

Step 7: Inspection and Dispatch

All finished castings undergo 100% dimensional inspection on critical features, visual inspection per IEC 60300-3-9, and plating thickness verification. Batch records include casting date, heat number, OES certificate, dimensional inspection report, and plating certificate. Export packing in VCI-lined wooden crates prevents corrosion during sea freight to North America, Europe, Middle East, Southeast Asia, and Africa.

Quality Standards and Certifications

Standard / Certification	Scope
ISO 9001:2015	Quality management system: casting and machining operations
ASTM B584	Copper alloy sand and permanent mold castings
BS 1400	British standard for copper alloy castings (LG2, LG4, PB1, PB2)
IS 318	Indian standard for leaded tin bronze castings
EN 1982	European standard for copper alloy ingots and castings
DIN 1705	German standard for tin bronze castings
IEC 60076	Power transformers – general requirements
IEC 61439	Low-voltage switchgear and controlgear assemblies
ASTM E165	Liquid penetrant examination of castings
EN 10204 (3.1 / 3.2)	Material test reports with third-party inspection
RoHS Compliant	Lead-free alloy grades available (C90300, C11000)

Why Choose Stainless Steel Fittings India

Decades of Foundry Experience

Stainless Steel Fittings India brings over 30 years of experience in non-ferrous precision casting, with specific expertise in copper alloy electrical terminals for transformer and switchgear OEMs. Our application engineering team has designed and produced spade terminal castings for leading transformer manufacturers across India, Europe, the Middle East, and Southeast Asia, with validated designs covering current ratings from 100A to 3,200A.

Vertically Integrated Manufacturing

From die design and tooling through melting, casting, machining, plating, and final inspection—all operations are performed under one roof, ensuring complete quality control, shorter lead times, and single-source accountability. This eliminates inter-vendor quality gaps common in outsourced supply chains.

Competitive Export Pricing

India’s cost advantage in skilled labor, raw material sourcing, and manufacturing infrastructure enables us to supply premium-quality bronze transformer spade terminal castings at internationally competitive prices. Indicative price: US$ 14.50 per kilogram FOB India for LG2 gunmetal castings. Volume pricing available for annual programs above 5,000 kg.

Proven Global Export Track Record

We export bronze electrical casting components to more than 40 countries including the USA, UK, Germany, Australia, UAE, Saudi Arabia, Singapore, South Africa, Brazil, France, the Netherlands, and Italy. All exports are supported by full documentation including packing lists, inspection certificates, mill test reports, and certificates of origin.

Technical Sales Support and DFM Review

Our engineering team provides free Design for Manufacturability (DFM) review for new spade terminal designs, optimizing draft angles, wall sections, gating, and alloy selection before die investment. This service reduces first-article rejection rates and accelerates time-to-production for new transformer product launches.

Frequently Asked Questions (FAQ)

Q1. What is the difference between permanent mold casting and sand casting for bronze spade terminals?

Permanent mold casting uses reusable steel dies to produce consistently accurate castings with CT4–CT6 tolerances, finer surface finish (Ra 3.2–6.3 µm), and better mechanical properties due to faster cooling rates. Sand casting uses expendable molds and is better suited for large or complex geometries at lower tooling cost, but delivers CT7–CT9 tolerances and coarser surface finish. For high-volume bronze spade terminal production (500+ pieces), permanent mold casting is more economical and accurate.

Q2. Which bronze alloy is recommended for transformer LV secondary spade terminals?

Gunmetal LG2 (ASTM C83600) is the most widely specified alloy for LV transformer secondary spade terminals, offering the best balance of electrical conductivity (9–11% IACS), mechanical strength (220 MPa UTS), machinability, and corrosion resistance. For applications requiring higher conductivity at the expense of strength, leaded red brass (C84400, 14–18% IACS) is the preferred alternative. Our application engineers can recommend the optimal alloy based on your current rating, temperature class, and environmental conditions.

Q3. What is the indicative price for bronze transformer spade terminal castings?

The indicative price for LG2 gunmetal permanent mold castings is US$ 14.50 per kilogram FOB India. The final price depends on alloy grade, weight per piece, order quantity, machining scope, and plating specification. Contact us with your drawing or specification for a detailed quotation within 24 hours.

Q4. Can you supply tin-plated and silver-plated spade terminals?

Yes. We supply tin-plated (3–15 µm per IEC 60068-2-20), nickel-plated (5–25 µm per ASTM B733), and silver-plated (3–10 µm per ASTM B700) bronze spade terminals as standard options. Plating is applied after CNC machining to ensure full coverage on all machined surfaces including bolt holes and contact faces. XRF thickness verification is provided with every batch.

Q5. What are the standard bolt hole sizes available for spade terminals?

Standard bolt hole diameters range from M6 to M30, with clearance holes, through-holes, and threaded (tapped) holes all available. Custom pitch circle diameters, countersinks, counterbores, and slotted holes are produced per customer drawing. Positional accuracy of ±0.05 mm is maintained on CNC drilled bolt patterns.

Q6. What is the minimum order quantity for permanent mold bronze spade terminal castings?

Our minimum order quantity is 50 pieces for prototype or development orders and 500 pieces for production orders. For OEM annual programs above 5,000 kg, we offer dedicated tooling, reserved capacity scheduling, and blanket purchase order pricing. Mixed alloy orders against blanket POs are accepted.

Q7. Do you supply RoHS-compliant, lead-free bronze spade terminals?

Yes. We manufacture lead-free bronze spade terminals in phosphor bronze C90300, C90500, and ETP copper C11000 grades, all fully RoHS and REACH compliant. These are specified for transformers supplied to the European Union, UK, and markets with halogen-free or lead-free procurement requirements, as well as food and pharmaceutical facility transformers.

Q8. What are the typical lead times for new tooling and repeat orders?

For new tooling (first article), the typical lead time is 3–5 weeks from receipt of approved drawing and purchase order. For repeat production orders (existing tooling), the lead time is 1–2 weeks. Expedited 10–15 day delivery is available for urgent power utility and EPC project requirements at a premium.

Q9. Can you supply machined and plated spade terminals ready for assembly?

Yes. In addition to raw castings, we supply fully machined, plated, and inspected spade terminals ready for direct assembly into transformer terminal boards, cable boxes, and busbar clamps. This turnkey supply reduces your in-house manufacturing steps and inventory complexity, with full traceability documentation for each batch.

Q10. Which international markets do you export to?

We export bronze transformer spade terminal castings to over 40 countries including the United States, United Kingdom, Germany, Australia, UAE, Saudi Arabia, Singapore, South Africa, Brazil, France, Netherlands, Italy, Canada, Malaysia, and Indonesia. All exports are supported by complete commercial and technical documentation including inspection certificates, mill test reports, material certifications, and certificates of origin.

Equivalent Terms in Other Languages

Language	Term 1	Term 2	Term 3	Term 4
Spanish	Terminal de pala de bronce para transformador	Fundición de terminal eléctrico de bronce	Terminal de cobre colado para transformador	Conector de pala de cobre para barras colectoras
Russian	Бронзовый клеммный наконечник трансформатора	Литой бронзовый электрический разъем	Литье бронзового наконечника для трансформатора	Медный клеммный лепесток для шин
French	Borne à lame bronze pour transformateur	Pièce coulée en bronze pour connecteur électrique	Terminal en alliage cuivre pour transformateur	Cosse à plat bronze pour jeu de barres
Portuguese	Terminal de espada de bronze para transformador	Peça fundida em bronze para terminal elétrico	Conector de cobre fundido para transformador	Terminal plano de bronze para barra barramento
Italian	Terminale a pala in bronzo per trasformatore	Fusione in bronzo per connettore elettrico	Terminale in lega di rame per trasformatore	Capocorda piatto in bronzo per sbarre

Get a Quote: Bronze Transformer Spade Terminal Castings

Stainless Steel Fittings India invites enquiries from transformer OEMs, electrical OEMs, EPC contractors, power utilities, and distributors for permanent mold cast bronze spade terminal castings. Submit your drawing, specification, or sample, and receive a free DFM review and competitive quotation within 24 hours.

Current Price: LG2 Bronze Spade Terminal Castings – US$ 14.50 per kilogram FOB India