C4250 C4250 P C4250 R - JIS H 3100-2018 - H2ABC

中文版

Grade	C4250
Other Names
Corresponding Standard	JIS H 3100-2018 Copper and copper alloy sheets, plates and strips
Classification	Copper and Copper Alloys
Properties	Elasticity Corrosion Resistance

C4250 Chemical Element Composition Content (%)

Component	Fe	P	Cu	Pb	Sn	More
Minimum Value	-	-	87	-	1.5	Zn:余量
Maximum Value	0.05	0.35	90	0.05	3	Zn:余量

C4250 Mechanical Properties

condition	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %	Hardness HBW
Plate (P); 0.3≤t≤30	C4250 P-1/4H	1/4 Hard (1/4H)	335~420	≥25	HV 80~140
Strip (R, RS); 0.3≤t≤3	C4250 R-1/4H,C4250 RS-1/4H	1/4 Hard (1/4H)	335~420	≥25	80~140
Plate (P); 0.3≤t≤20	C4250 P-1/2H	1/2 Hard (1/2H)	390~480	≥15	110~170
Strip (R, RS); 0.3≤t≤3	C4250 R-1/2H,C4250 RS-1/2H	1/2 Hard (1/2H)	390~480	≥15	110~170
Plate (P); 0.3≤t≤20	C4250 P-3/4H	3/4 Hard (3/4H)	420~510	≥5	140~180
Strip (R, RS); 0.3≤t≤3	C42450 R-3/4H,C4250 RS-3/4H	3/4 Hard (3/4H)	420~510	≥5	140~180
Sheet (P); 0.3≤t≤10	C4250 P-H	Hard (H)	≥520	-	140~200
Strip (R, RS); 0.3≤t≤3	C4250 R-H,C4250 RS-H	Hard (H)	≥520	-	140~200
Sheet (P); 0.3≤t≤10	C4250 P-EH	Extra Hard (EH)	315~390	-	≥150
Strip (R, RS); 0.3≤t≤3	C4250 R-EH,C4250 RS-EH	Extra Hard (EH)	315~390	-	≥150

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