CDA 836 Red Brass Bronze Alloys

Specification :

CDA ASTM Asarcon SAE AMS Federal Military Other
C836 B505
B505M
B62
B145-4A
55 40
J461
J462
4855 QQ-C-390, B5;
QQ-B-1005, COMP 2
MIL-B-11553 COMP 2;
MIL-C-14345, ALLOY 1
Ounce Metal

Chemical Composition :

Cu%1 Pb% Sn% Zn% Fe% P% Ni%2 Al% S% Sb% Si%
Chemical Composition according to ASTM B505/B505M-18
1In determining Cu min., Cu may be calculated as Cu + Ni.  2Ni value includes Co.
Single values represent maximums.
84.00-
86.00
4.00-
6.00
4.00-
6.00
4.00-
6.00
0.30 0.05 1.00 0.005 0.08 0.25 0.005

Machinability :

Copper Alloy UNS No. Machinability Rating Density (lb/in3 at 68 °F)
C836 84 0.318

Mechanical Properties :

Mechanical Properties according to ASTM B505/B505M-18
Tensile Strength, min Yield Strength, at .5% Extension Under Load, min Elongation, in 2 in. or 50 mm min Brinell Hardness
(500 kg load)
Remarks
ksi MPa ksi MPa % typical BHN
36 248 19 131 15 60

Physical Properties :

Physical Properties provided by CDA
US Customary Metric
Melting Point – Liquidus 1850 °F 1010 °C
Melting Point – Solidus 1570 °F 854 °C
Density 0.318 lb/in3 at 68 °F 8.83 gm/cm3 at 20 °C
Specific Gravity 8.83 8.83
Electrical Conductivity 15% IACS at 68 °F 0.087 MegaSiemens/cm at 20 °C
Thermal Conductivity 41.6 BtuBtu/sq ft/ft hr/°F at 68 °F 72 W/m at 20 °C
Coefficient of Thermal Expansion 68-392 10 · 10-6 per °F (68-392 °F) 17.3 · 10-6 per °C (20-200 °C)
Specific Heat Capacity 0.09 Btu/lb/°F at 68 °F 377.1 J/kg at 293 °C
Modulus of Elasticity in Tension 13500 ksi 93100 MPa
Magnetic Permeability 1 1

Fabrication Properties :

Fabrication Properties provided by CDA
Joining Technique Suitability
Soldering Excellent
Brazing Good
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Not Recommended
Coated Metal Arc Welding Fair