DESCRIPTION
Св.08Х20Н9Г7Т – welding material of austenitic stainless steel type with a high content of Mn, providing high resistance to cracking, and high content of Si, which ensures improved quality weld.
Main application of Св.08Х20Н9Г7Т – welding of dissimilar steels, high-strength steels, armor plates, non-magnetic steels, stainless steels containing Cr of not more than 18%. Often used as a buffer layer before facing of base material. Most widespread applications: crane wheels, rails, railway crossings, springs, crushing equipment, and so on.
SHIELDING GASES (EN ISO 14175)
| GMAW |
M12 |
Mixed gas Ar + 0?5% CO2 |
| M13 |
Mixed gas Ar + 0?3% CO2 |
| GTAW |
I1 |
Inert gas Ar (100%) |
WELDING POSITIONS (ISO)
CHEMICAL COMPOSITION
| Nom. composition |
С |
Si |
Mn |
S |
P |
Сr |
Ni |
Fe |
Ti |
| Min |
– |
0.50 |
5.00 |
– |
– |
18.50 |
8.00 |
Rest |
0.60 |
| Max |
0.10 |
1.00 |
8.00 |
0.018 |
0.035 |
22.00 |
10.00 |
0.90 |
MECHANICAL PROPERTIES
| Tensile strength Rm, N/mm2 |
Yield strength Rp0.2, N/mm2 |
Elongation, % |
Impact, ISO-V(J) +20°C |
Impact, ISO-V(J) -120°C |
| ? 620 |
? 400 |
? 40.00 |
?100 |
>35 |
PRODUCT RANGE
| Type |
Diameter, mm |
Packing type |
Weight |
Finish |
| MIG |
0.60 – 1.60 |
spools D100, D200, D300, BS300, K300, K400, K415 |
1 kg / 5 kg / 15 kg |
mat, polished |
| SAW |
1.60 – 5.00 |
coils / spools D415, K400, K415 |
25-30 kg |
mat, polished |
| TIG |
1.00 – 5.00 |
box |
5-10 kg |
polished |
ANALOGUES
| AWS A5.9 |
EN 12072 |
W.N. |
| ER307 |
18 8 Mn |
1.4370 |
