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

gas acc. en iso 14175:
I1

Disclaimer: Whilst all reasonable efforts have been made to ensure the accuracy of the information contained, the information contained or otherwise referenced herein is presented only as “typical” without guarantee or warranty, and any liability incurred from any reliance thereon is expressively disclaimed. Typical data are those obtained when welded and tested in accordance to prescribed standards, and should not be assumed to be the expected results in a particular application or weldment. Other tests and procedures may produce different results. Users are cautioned to confirm by qualification testing, or other appropriate means, the suitability of any welding consumable and procedure before use in the intended application. The selection and use of specific products is solely within the control of, and remains the sole responsibility of the customer. The right to change design and/or specifications without notice is reserved.