B122 C75200 2 - ASTM B122/B122M-2016 - H2ABC

中文版

Grade	B122 C75200
Old Grade
Corresponding Standard	ASTM B122/B122M-2016 Standard Specification for Copper-Nickel-Tin Alloy, Copper-Nickel-Zinc Alloy(Nickel Silver), and Copper-Nickel Alloy Plate, Sheet, Strip, and Rolled Bar
Classification	Copper and Copper Alloys

B122 C75200 Chemical Element Composition Content (%)

Component	Fe	Mn	Ni ^*	Cu	Pb	More
Minimum Value	-	-	16.5	63	-	Zn:余量
Maximum Value	0.25	0.5	19.5	66.5	0.05	Zn:余量

B122 C75200 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Hardness HBW
Thick plates, rolled bars, thin plates, strips	Hot Rolled (M20)	355~450
Thick plates, rolled bars, thin plates, strips	Cold Work - 1/4 Hard (H01)	400~495	HR(B Scale) 50~75
Thick plates, rolled bars, thin plates, strips	Cold Working - 1/2 Hard (H02)	455~550	68~82
Thick plates, rolled bars, thin plates, strips	Cold Working - Hard (H04)	540~625	80~90
Thick plates, rolled bars, thin plates, strips	Cold Working - Very Hard (H06)	595~675	87~94
Thick plates, rolled bars, thin plates, strips	Cold-Worked- Spring(H08)	620~695	89~96
Thick plates, rolled bars, thin plates, strips	OS070		25~40
Thick plates, rolled bars, thin plates, strips	OS035		35~55
Thick plates, rolled bars, thin plates, strips	OS015		45~70

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