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 ;
| 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 |
| Articles | Chemical Compositions | Total Impurity | |||||||
| GB/QB | DIN /ASTM /JIS | Cu | Mn | Zn | Me | Ni | Si | Pb | |
| K6951 | 68-75 | 11.0-15 | REM | ≤1.5 | ≤0.5 | ≤0.1 | ≤0.1 | ≤0.2 | |
| 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 |
| 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 |
| Specification | Temper | Tensile strength (Mpa ) | Elongation (%) |
| dia2.0 - 3.0 | Y8 | 500-530 | 22-28 |
| dia2.2-4.2 | M | 470-510 | 31-37 |
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