Copper-Nickel Alloy (Lead Less, Free Cutting)

Copper-Nickel Alloy <small>(Lead Less, Free Cutting)</small>
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As a Chinese leading environment-friendly copper alloy manufacturer and exporter, Powerway provides superior lead less free-cutting copper nickel alloys for the manufacture of nibs, glass accessories and metal products. Characterized by its incomparable machining properties, welding and forming capabilities, this copper-nickel-zinc alloy has won great popularity among customers.

Type: Bar & Wire Product-Green Alloy

Name: Lead less free cutting copper nickel alloy

Number: PW300712, PW300715, PW300718

Features
No lead, Eco-friendly(≤ 100PPM);
Easy to cut, improving processing efficiency;
Easy to weld, the lead free alloy features excellent thermal forming performance and high softening resistance in welding;
Excellent corrosion resistance; it is resistant to discoloration in sea water and air for extended periods;

Specifications of the Copper-Nickel Alloy
Item Size
ASTM DIN JIS GB
      PW300712 1.0-15mm
PW300715
PW300718

Characteristics
1. This free cutting alloy comes with excellent machinability that is much higher than that of ordinary copper-nickel-zinc alloys and can reach more than 80% of lead and zinc cupronickel alloys.
2. Lead content in this copper nickel alloy is in conformity with EU and United States' standards.

Applications
Our lead less free cutting copper nickel alloy is widely used for making pen points, glass accessories, instruments, watches, etc.

Chemical Compositions
Articles Composition (wt% ) Total impurity
Cu Ni Zn Si P Ce Pb (wt% )
PW300712 47-49 11.5-12.5 REM 0.5-1.2 0.01-0.3 0.01-0.05 ≤0.01 ≤0.3
PW300715 49-51 13.8-15 REM 0.1-1.2 0.01-0.3 0.01-0.05 ≤0.01 ≤0.3
PW300718 55-57 16.8-18 REM 0.1-1.2 0.01-0.3 0.01-0.05 ≤0.01 ≤0.3
Mechanical Properties
Articles Wire rod processing  
Temper Size (mm) Tensile Strength (Mpa) Elongation (%) Yield Strength (Mpa) Hardness (HV) Density (kg/dm3) Lead (ppm)
PW300712 M 1.0 -15mm 520 -600 ≥28 430 -500 170 -190 8.17 ≤100
PW300715
PW300718 Y 740-800 ≥4 630-680 215-225 8.17 ≤100
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