Brass Copper Castings India
C11000 Electrolytic Copper

Copper No. C11000
Electrolytic Tough Pitch Copper
CDA 110 ETP Copper , ASTM B 187 , ASTM B 152

Nominal Chemical Composition % by weight
Copper Oxygen
99.90 .04

Material Properties

Hard drawn bus bar with high thermal and electrical conductivity. Good resistance and tampering. Not suitable for case hardening.


Copper No. 11000 is used for welding fixtures, anodes, bus bar in electrical power installations, ground straps, commutators, etc. Its inherent fabrication qualities readily permit it to be bent, soldered, drilled, peened, riveted and formed to fit almost any design specification.

Mechanical Properties

Typical for 1" solid diameter Hard (35%) Temper

Hardness* Rockwell F Scales 87
Tensile Strength** KSI 48
Yield Strength** KSI 44
Elongation** % in 2 inch 10

*Hardness conversions are approximate

**Test values are nominal approximations and depend on specimen size and orientation.

Physical Properties

Thermal Conductivity BTU/ (sq ft-ft-hr-F) 226
Specific Heat BTU/lb/ºF @ 68F .092
Thermal Expansion Per °F from 68 F to 212 F .0000094
Density lb/cu in @ 68 F .321-.323
Electrical Conductivity % IACS @ 68 F 101
Modulus of Elasticity KSI 17,000

Fabrication Properties

Capacity for being cold worked Excellent
Capacity for being hot formed Excellent
Hot forgeability rating (forging brass=100) 65
Hot working temperature 1400-1600 F or 750-875 C
Annealing temperature 700-1200 F or 375-650 C
Machinability rating (Free Cutting Brass=100) 20
Suitability for being joined by: Soldering/Excellent
Oxyacetylene Welding/Not Recommended
Gas Shielded Arc Welding/Fair
Coated Metal Arc Welding/Not Recommended
Resistance Welding Spot/Not Recommended
Seam/Not Recommended