Grade C4640
Other Names
Corresponding Standard JIS H 3100-2018
Copper and copper alloy sheets, plates and strips
Classification Copper and Copper Alloys
Properties Corrosion Resistance
C4640 Chemical Element Composition Content (%)
Component Fe Cu Pb Sn More
Minimum Value - 59 - 0.5 Zn:余量
Maximum Value 0.1 62 0.2 1
C4640 Mechanical Properties
condition Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
Plate (P); 0.8≤t≤20 C4640 P-F Hot Working Condition (F) ≥375 ≥25 -
Plate (P); 20<t≤40 Hot Working Condition (F) ≥345 ≥25 -
Plate (P); 40<t≤125 Hot Working Condition (F) ≥315 ≥25 -
Approximate Comparison Table Copper and Copper Alloy
Japan United States International Organization for Standardization Germany France European Standard Russia United Kingdom
JIS UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST BS EN/BS
C4640 C46400 CuZn38Sn1 CuZn38Sn1 2.0530 CuZn38Sn1 CuZn38Sn1As CW717R LO60-1 CZ112

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