B122 C74500 3 - ASTM B122/B122M-2016 - H2ABC

中文版

Grade	B122 C74500
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 C74500 Chemical Element Composition Content (%)

Component	Fe	Mn	Pb	More
Minimum Value	-	-	-	Cu+Ag:63.5~66.5；Ni+Co:9~11；Zn:余量
Maximum Value	0.25	0.5	0.09	Cu+Ag:63.5~66.5；Ni+Co:9~11；Zn:余量

B122 C74500 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Hardness HBW
Thick plates, rolled bars, thin plates, strips	Hot Rolled (M20)	330~450
Thick plates, rolled bars, thin plates, strips	Cold Work - 1/4 Hard (H01)	385~505	HR(B Scale) 51~80
Thick plates, rolled bars, thin plates, strips	Cold Working - 1/2 Hard (H02)	460~565	72~87
Thick plates, rolled bars, thin plates, strips	Cold Working - Hard (H04)	550~650	82~92
Thick plates, rolled bars, thin plates, strips	Cold Working - Very Hard (H06)	615~705	90~94
Thick plates, rolled bars, thin plates, strips	Cold-Worked- Spring(H08)	655~745	92~96
Thick plates, rolled bars, thin plates, strips	OS070		15~30
Thick plates, rolled bars, thin plates, strips	OS035		23~41
Thick plates, rolled bars, thin plates, strips	OS015		41~59

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