Wire ER-307Si
Mark Св-08Х20Н9Г7Т
Manufactured in accordance with GOST 2246-70, RD 03-613-03, TU 1220-005-84823540-2010. Meets global peers – ER-307Si.
Application of high-Welding wire Св-08Х20Н9Г7Т
Welding semiautomatic different austenitic steels 08Х18Н12Б, 12Х18Н9Т, 08Х18Н10Т (low-alloy, stainless steel, refractory, spring, tool), which operate at high pressure and temperature of 570-650 ° C. In total weld different springs, tools, rails, carried shipbuilding works, Repair of grinding machines.
Chemical composition
Element |
Mn |
Ti |
С |
S |
Ni |
Si |
P |
Cr |
Content, % |
5-8 |
0.6-0.9 |
0.1 |
0.018 |
8-10 |
0.5-1.0 |
0.035 |
18.5 – 22.0 |
Mechanical properties of the weld:
Toughness – KCV – 60 J / cm2;
Tensile strength – 620 MPa;
Tensile strength – 430 MPa;
Elongation – 35%.
The diameter of the wire produced – 1.0-5.0 mm.