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Home Material SAE J 470c-1976
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Commercial Grade
USA UNS C77000
Other Names
Corresponding Standard SAE J 470c-1976
Wrought Nickel and Nickel - Related Alloys
Classification Copper and Copper Alloys
Properties Corrosion Resistance Low-Temperature Resistance High-Temperature Resistance Good Forgability Good Weldability
Density 8.69 g/cm3
Chemical Element Composition Content (%)
Component Mn Ni Cu Zn
Nominal Value 0.25 18 55 27
Mechanical Properties
form Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
%
Bars, Rods; d＞12.7 414~690 186~586 ≥40
Wire Rod; d≥12.7 414~690 186~586 ≥40
Castings, Forgings, Thin Plate, Strip, Tube 414~690 186~586 ≥40
Approximate Comparison Table Wrought Cupronickel
China United States International Organization for Standardization Germany European Standard Russia
GB ISC ASTM UNS ISO Numerical Grade DIN EN/DIN W-Nr. EN Numerical Grade GOST
BZn18-26 T77000 55Cu-18Ni-27Zn C77000 CuNi18Zn27 C77000 CuNi18Zn27 C77000
2.0742 		CuNi18Zn27 CW410J МНЦ18-27

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