C5240 C5240 P C5240 R - JIS H 3130-2018 - H2ABC

中文版

Grade	C5240
Other Names
Corresponding Standard	JIS H 3130-2018 Copper beryllium alloy, copper titanium alloy, phosphor brozne, copper-nickel-tin alloy and nickel silver sheets, plates and strips for springs
Classification	Copper and Copper Alloys
Properties	Elasticity Corrosion Resistance

C5240 Chemical Element Composition Content (%)

Component	Fe	P	Pb	Zn	Sn	More
Minimum Value	-	0.03	-	-	9	Cu+Sn+P≥99.5
Maximum Value	0.1	0.35	0.2	0.2	11	Cu+Sn+P≥99.5

C5240 Mechanical Properties

condition	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
Plates (P), Strips (R); 0.10≤t≤1.6	C 5240 P-H,C 5240 R-H	Hard (H)	650~750	≥510	≥11	HV 200~240
Plate (P), Strip (R); 0.10≤t≤0.8	C 5240 P-EH,C 5240 R-EH	Super hard (EH)	750~850	≥630	≥9	230~270
Plates (P), strips (R); 0.10 ≤ t ≤ 0.4	C 5240 P-SH,C 5240 R-SH	Spring Hardening (SH)	850~950	≥750	≥5	250~300
Plates (P), strips (R); 0.10 ≤ t ≤ 0.4	C 5240 P-ESH,C 5240 R-ESH	(ESH)	≥950	≤870	-	≥270
Plates (P), strips (R); 0.10 ≤ t ≤ 0.4	C 5240 P-XSH,C 5240 R-XSH	(XSH)	≥1000	≥930	-	≥290

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