B271 C95520 - ASTM B271/B271M-2018

Grade	B271 C95520
Corresponding Standard	ASTM B271/B271M-2018 Standard Specification for Copper-Base Alloy Centrifugal Castings
Classification	Copper and Copper Alloys

B271 C95520 Chemical Element Composition Content (%)

Component	Fe	Si	Mn	Cr	Ni ^*	Cu	Co	Pb	Al	Zn	Sn
Minimum Value	4	-	-	-	4.2	74.5	-	-	10.5	-	-
Maximum Value	5.5	0.15	1.5	0.05	6	-	0.2	0.03	11.5	0.3	0.25

B271 C95520 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
Centrifugal casting	Heat Treatment (HT)	≥862	≥655	≥3	≥110（3000kg）

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