CEWELD


307 Si Tig GMAW-GTAW Solid wires




307 Si Tig

 
TYPE 
Tig welding wire for dissimilar welding and buffer layers
APPLICATIONS 
Buffer layers before hardfacing, dissimilar welding between steel and stainless steel, armor plate, exhaust systems (type 409, 304), high Manganese austenitic steel, heterogeneous welding, difficult to weld steels etc.
PROPERTIES 

Corrosion resistance is equivalent to type 304, high mechanical properties and good weldability, work hardening and cold-tough to -110°C.

CLASSIFICATION
AWS 
A 5.9: ER 307 (mod.)
EN ISO 
14343-A: W 18 8 MnSi
14343-B: SSZ307
DIN: W.Nr. 
1.4370
DIN 
8556: SG X15CrNiMn 18 8
SUITABLE FOR 

Dissimilar welding between steel and stainless steel, armor plate, exhaust systems (type 409, 304), high Manganese austenitic steel, difficult to weld steels such as: 42CrMo4, C45, 42MnV7, tool steels, 1.3401, X120Mn12 etc.

APPROVALS 
CE approved
WELDING POSITIONS: 
TYPICAL ALL WELD METAL ANALYSIS

C

Mn

Si

Cr

Ni

         

0.12

6.5

1.0

18.5

8.5

         
MECHANICAL PROPERTIES

Heat treatment

RP0,2

Rm

A5

Impact energy (J) ISO-V

Hardness

 

(N/mm2)

(N/mm2)

(%)

+20C

-40°C

-60C

HRc / HV

AW

>350

>600

40

>100

     
AW: as welded
REDRYING TEMPERATURE 
not required
WELDING PARAMETERS / PACKING

Welding Parameters

Packing (kg)

   

D (mm)

Current (A) DC-

single

master

   

1.6 x 1000

50-80

5

25

   

2.0 x 1000

70-110

5

25

   

2.4 x 1000

110-180

5

25

   

3.2 x 1000

150-250

5

25

   







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