C1940 C1940 RS C1940 PS - JIS H 3100-2018 - H2ABC

中文版

Grade	C1940
Other Names
Corresponding Standard	JIS H 3100-2018 Copper and copper alloy sheets, plates and strips
Classification	Copper and Copper Alloys
Properties	Strength Machinability

C1940 Chemical Element Composition Content (%)

Component	Fe	P	Pb	Zn	More
Minimum Value	2.1	0.015	-	0.05	Cu：余量
Maximum Value	2.6	0.15	0.03	0.2	Cu：余量

C1940 Mechanical Properties

condition	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %	Hardness HBW
Plates (PS), Strips (RS); 0.1≤t≤3	C1940 PS-O3,C1940 RS-O3	Annealing (O3)	275~345	≥30	HV* 70~95
Plates (PS), Strips (RS); 0.1≤t≤3	C1940 PS-O2,C1940 RS-O2	Annealing (O2)	310~380	≥25	* 80~105
Plates (PS), Strips (RS); 0.1≤t≤3	C1940 PS-O1,C1940 RS-O1	Annealing (O1)	345~415	≥15	100~125
Plates (PS), Strips (RS); 0.1≤t≤3	C1940 PS-1/2H,C1940 RS-1/2H	1/2 Hard (1/2H)	365~435	≥5	115~137
Plates (PS), Strips (RS); 0.1≤t≤3	C1940 PS-H,C1940 RS-H	Hard (H)	415~485	≥2	125~145
Plates (PS), Strips (RS); 0.1≤t≤3	C1940 PS-EH,C1940 RS-EH	Extra Hard (EH)	460~505	-	135~150
Plates (PS), Strips (RS); 0.1≤t≤3	C1940 PS-SH,C1940 RS-SH	Spring Hardening (SH)	480~525	-	140~155
Plates (PS), Strips (RS); 0.1≤t≤3	C1940 PS-ESH,C1940 RS-ESH	Extreme Spring Hardening (ESH)	505~590	-	145~170
Plates (PS), Strips (RS); 0.1≤t≤3	C1940 PS-SSH,C1940 RS-SSH	Special spring hardened (SSH)	≥550	-	≥155

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