Grade B122 C70600
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 C70600 Chemical Element Composition Content (%)
Component Fe Mn Ni * Pb Zn More
Minimum Value 1 - 9 - - Cu+Ag:余量
Maximum Value 1.8 1 11 0.05 1
B122 C70600 Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa
Hardness
HBW
Thick plates, rolled bars, thin plates, strips Hot Rolled (M20) 275~425
Thick plates, rolled bars, thin plates, strips Cold Work - 1/4 Hard (H01) 350~460 HR(B Scale)
51~78
Thick plates, rolled bars, thin plates, strips Cold Working - 1/2 Hard (H02) 400~495 66~81
Thick plates, rolled bars, thin plates, strips Cold Working - Hard (H04) 490~570 76~86
Thick plates, rolled bars, thin plates, strips Cold Working - Very Hard (H06) 505~585 80~88
Thick plates, rolled bars, thin plates, strips Cold-Worked- Spring(H08) 540~605 83~91
Thick plates, rolled bars, thin plates, strips OS035 10~27
Thick plates, rolled bars, thin plates, strips OS015 16~48

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