Fenicro®31

General Description

Solid wire for welding of Cu-alloyed NiCrMo-steels

Excellent resistance to general corrosion, pitting and stress corrosion in acid and alkaline environments

Especially for applications in phophoric and sulphuric acid

Shielding gas (acc. EN)

GMAW

I1

Inert gas Ar 100%

 

I3

Inert gas Ar + > 0-95% Не

Materials to be welded

Material grades such as:

EN 10088-1/-2

W.Nr.

ASTM/ACI

UNS

NiCrMoC- and CrNiMo-

X1NiCrMoCu 31-27-4

1.4563

 

N08028

and NiCrMo-steels

X1NiCrMoCu 25-20-5

1.4539

Alloy 904L

N08904

 

DIN 17744

 

 

 

 

NiCr 21 Mo

2.4858

Alloy 825

N08825

 

NiCr 21 Mo 6Cu

2.6410

Alloy 825 h Mo

N08821

 

X3NiCrMoTi 27-23

1.4506

 

 

Packaging, available sizes and identification

 

 

Sizes, mm

Process

Unit:

1.2

2.0

2.4

GTAW

2kg tube

X

X

X

GMAW

15 kg spool B300

 

 

 

Other sizes and packaging on request

Classification

AWS A5.9

:ER383

EN 12072

:W 27 31 4 Cu L / G 27 31 4 Cu L

Chemical composition (w%), typical, all weld metal

C

Mn

Si

Cr

Ni

Mo

Cu

0.01

1.5

0.2

27.0

31.0

3.5

1.0

Ni-base solid wire

 

Mechanical properties, all weld metal

 

Process

Shielding gas

Condition

0.2% Yield Strength

(N/mm2)

Tensile Strength

(N/mm2)

Elongation

(%)

Impact (ISO), J

+20 оС

-196 оС

Typical values

GTAW

I1

AW

400

610

35

100

50

after welding

GMAW

I1

AW

400

610

35

100

50