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Grade C3603
Other Names
Corresponding Standard JIS H 3250-2015
Copper and copper alloy rods and bars
Classification Copper and Copper Alloys
Properties Good Machinability
C3603 Chemical Element Composition Content (%)
Component Fe Cu Pb More
Minimum Value - 57 1.8 Zn:余量；Fe+Sn≤0.6
Maximum Value 0.35 61 3.7
C3603 Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
Drawn Bar (BD); 1≤d<6 Annealing (O) ≥315 ≥15
Drawn bars (BD); 6 ≤ d ≤ 75 Annealing (O) ≥315 ≥20
Drawing Bar (BD); 1≤d<50 1/2 Hard (1/2H) ≥365 HV
≥100
Drawn Bar (BD); 1≤d≤50 Hard (H) ≥450 HV
≥130

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