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Four series of various brands TIG/MIG welding wire

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Name

CuNi30

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Details

Copper-Nickel

Chemical Composition(%)

Standard

Class

Alloy

Cu

Fe

Mn

Ni

P

Pb

Si

C

Ti

S

Other

ISO24373

Cu7158

CuNi30Mn1FeTi

bal.

0.4-0.7

0.5-1.5

29.0-32.0

0.02

0.02

0.25

0.04

0.2-0.5

0.01

0.5

GB/T9460

SCu7158

CuNi30Mn1FeTi

bal.

0.4-0.7

0.5-1.5

29.0-32.0

max0.02

max0.02

max0.25

0.2-0.5

max0.01

max0.5

BS EN14640

Cu7158

CuNi30

bal.

0.4-1.0

0.5-1.5

29.0-32.0

0.02

0.02

0.25

0.05

0.2-0.5

0.02

0.4

AWS A5.7

C71581

ERCuNi

bal.

0.40-0.75

1.0

29.0-32.0

0.02

0.02

0.25

-

0.20-0.50

-

0.50

DIN 1733

2.0837

SG-CuNi30Fe

bal.

0.4-1.0

0.5-1.5

29.0-32.0

max0.02

max0.02

max0.2

max0.05

0.2-0.5

max0.015

max0.4

Physical Properties And Mechanical Properties:

Solids-Temperature

1180℃

Liquids-Temperature

1240℃

Density

8.9㎏/ dm3

TensileStrength

420N/ mm2  

Elongation

36%

Brinell Hardness

115HB

Introduction

Especially good for seawater corrosion resistance. Particularly suitable for the welding and hard facing of copper nickel such as machinery, desalting of seawater, ship-building, oil refinery, and food processing industries. Also suitable for welding of nonferrous alloys, dissimilar steel materials.

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