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750MPa grade high strength
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Product Description

 Introduction:HBWH-75 750MPa grade high strength copper wire, protective gas for the rich argon.The wire by adding Mo and higher Ni elements, so that the seam with high strength and toughness, and the arc stability, good forming, small spatter, good comprehensive mechanical properties.

Application: Widely used in the welding of heavy machinery, mining machinery, large steel structure, special vehicles, ships and other 750MPa grade high strength steel and low alloy structural steel (such as Q620).

Fused Metal Mechanical Property:

-

Tensile Strength

Rm(MPa)

Yield Strength

(MPa)Rp0.2

Elongation Rate

A(%)

Ballistic Work

-50℃ AKV(J)

Protective Gas

Example Value
782
693
19
89
Argon-rich gas
Range
≥750
≥650
≥16
≥68
-

Welding Process:

Welding Wire Diameter

Wire Feeding Speed(mm/s)

Electric Arc Voltage(V)

Welding Current(A)

Polarity

Distance Between Electrode Tip and Workpiece(mm)

Welding Speed(mm/s)

1.2
190±10
27~32
260~290
DC+
19±3
5.5±1.0
1.6
100±5
25~30
330~360
DC+
22±3
5.5±1.0

Note:

1. Packing: 15kg/spool/box

2. Welding wires of other specifications can refer to the standards, and proper changes may be required according to actual needs;

3. While welding, the use performance of welding wires and the mechanical property of fused metal will be affected if it is off the standards.

 

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