312

type 
Solid stainless steel welding wire for dissimilar welding
applications 
Buffer layers before hardfacing, armor plate, exhaust systems, high, Manganese austenitic steel, heterogeneous welding, difficult to weld and unknown steels.
Properties 

Scale resistance up to 1150ºC, crack and wear resistant, suitable for rebuilding wornout parts. Excelent corrosion resistance against high temperature liquid acids.

classification
AWS 
A 5.9: ER 312
EN ISO 
14343-A: G (W) 29 9
DIN: W.Nr. 
1.4337
DIN 
8556: SG-X10CrNi 30 9
Suitable for 

Buffer layers, armor plate, 409, 304, difficult to weld steels such as:, 25CrMo4, 42CrMo4, 50CrMo4, 42MnV7, 1.7218, 1.7225, 1.7228, 1.7223, AISI: 4130, 4140, 4150, C45, C60, tool steel repairs etc..

approvals 
CE approved
welding positions: 
Weld deposit analysis

C

Cr

Ni

Mo

Mn

Si

P

S

Cu

<0.15

28.0-32.0

8.0-10.5

<0.75

1.0-2.5

0.30-0.65

<0.03

<0.03

<0.75

mechanical properties

Heat

RP0,2

Rm

A5

Impact Energy (J) ISO-V

Hardness

Treatment

(N/mm2)

(N/mm2)

(%)

+20°C

-40°C

-60°C

HB

AW

640

800

22

50

240

AW: as welded
redrying temperature 
not required
welding parameters / packing

Welding Parameters

Packing

D (mm)

Voltage (V)

Current (A) DC+

spool type

kg / spool

kg / pallet

0.8

16-22

50-140

BS-300

15

1080

1,0

16-24

80-190

BS-300

15

1080

1.2

20-28

180-280

BS-300

15

1080

1.6

24-28

230-350

BS-300

15

1080

Gas acc. en iso 14175:
I1-M12, M13, M14