Copper-Nickel Alloy <small>(Low-Nickel)</small> Manufacturer

Copper-Nickel Alloy (Low-Nickel)

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The copper-nickel alloy with extremely low nickel content is also called nickel free cupronickel. It comes with excellent elasticity, corrosion resistance and much lower nickel content than the international standard. The low nickel copper alloy is ideal for manufacturing glasses accessories, zippers, fasteners, decorations and other metal components. Powerway copper-nickel alloy has been listed among the new national key products and has been ranked first in the market for eight continuous years.

Categories: Bar & Wire Product-Green Alloy Material

Name: Copper-Nickel Alloy

Number: PWK6951, PWK6950, PWK6907

Features
0.1μg/week nickel release that is far below the requirement for less than 0.2μg/week in EN181 and EN12472 standard;
Great elasticity, modulus of elasticity> 120Gpa, higher than that of similar products in the market;
Excellent corrosion resistance;
Outstanding performance in high-temperature welding;
Slivery surface is light and eye catching ;

Low-Nickel Copper-Nickel Alloy

Articles	Spec.	Characteristics	Applications
PWK6951	1.0-12.0mm	Excellent elasticity, corrosion-resistance, and high temperature welding performance	Glasses accessories, zippers, buttons, clothing decorations, ornaments, metal components, etc.
PWK6950	1.0-12.0mm
PWK6907	1.0-12.0mm

Chemical Compositions

Articles		Chemical Compositions							Total Impurity
GB/QB	DIN /ASTM /JIS	Cu	Mn	Zn	Me	Ni	Si	Pb	Total Impurity
K6951		68-75	11.0-15	REM	≤1.5	≤0.5	≤0.1	≤0.1	≤0.2

Mechanical Properties

Articles	Specification (mm)	Temper	Tensile strength (Mpa )	Elongation (%)
PWK6951 PWK6950	>3.0-10	M	430-500	≥25
	> 2.0-4.0	Y8	490	23
		Y4	520	17
		Y2	590	4
		Y	690-720	2
		TY	≥750	2
	> 1.0-2.0	Y8	480	23
		Y4	510	15
		Y2	590	12
		Y	710-780	2
		TY	750-800	1

The specification and mechanical properties of PWK6907 flat wire

Specification	Temper	Tensile strength (Mpa )	Elongation (%)
0.77×3.0	roll	595	7
0.9-1.0×3.9-4.0	roll	560-615	6-9
1.05-1.25×3.3-4.8	roll	580-630	5-13

The specification and mechanical properties of PWK6907 round wire

Specification	Temper	Tensile strength (Mpa )	Elongation (%)
dia2.0 - 3.0	Y8	500-530	22-28
dia2.2-4.2	M	470-510	31-37