Welding steel wire of State Standard GOST 2246-70
Welding steel wire of State Standard GOST 2246-70 is designed for welding, surfacing and welding electrode manufacturing. Welding steel wire of GOST 2246-70 is made of diameters from 0,8 to 5,0 mm. GOST 2246-70 welding iron wire is manufactured either uncoated or galvanized – for ensuring electric contact with metal and increasing of welding process stability.
Supply of welding wire of GOST 2246-70
There are different options of GOST 2246-70 welded wire supply. Welding wire of diameter 0,80 mm is supplied in Z2 reels of weight 200-250 kg or in coils of weight 80 kg, welded wire of diameters 1,0-2,0 mm is shipped in Z2 reels of weight 300-350 kg or coils of 80 kg weight, and welded wire of diameters 3,0-5,0 mm can be supplied in reels of weight 800-1000 kg or in coils of mass 80 kg.
Wire diameter, mm | Ultimate tensile resistance, N/mm2 | |
---|---|---|
For welding and surfacing | For electrode manufacturing | |
0,8-1,5 | 882-1323 | – |
1,6 | 882-1274 | 686-980 |
2,0 | 784-1176 | 686-980 |
2,0 and more | 686-1029 | 637-931 |
Mechanical properties for welding wire of steel grades Sv-08 and Sv-08A are unregulated
Wire diameter, mm | Limit deviation for wire | |
---|---|---|
For welding and surfacing | For electrode manufacturing | |
0,8 | -0,07 | – |
1,0-1,5 | -0,09 | – |
1,6-2,0 | -0,12 | -0,06 |
2,5-3,0 | -0,12 | -0,09 |
4,0-5,0 | -0,16 | -0,12 |
Wire grade |
Chemical composition | |||||||
---|---|---|---|---|---|---|---|---|
Carbon С |
Silicon Si |
Manganese Mn |
Chromium Cr |
Nickel Ni |
Sulfur S |
Phosphorus Р |
Other elements |
|
Св-08 | up to 0,10 | up to 0,03 | 0,35-0,60 | up to 0,15 | up to 0,30 | up to 0,04 | up to 0,04 | Aluminum – up to 0,01 |
Св-08А | up to 0,10 | up to 0,03 | 0,35-0,60 | up to 0,12 | up to 0,25 | up to 0,03 | up to 0,03 | Aluminum – up to 0,01 |
СВ-08ГС | up to 0,10 | 0,60-0,85 | 1,40-1,70 | up to 0,20 | up to 0,25 | up to 0,025 | up to 0,03 | – |
СВ-08Г2С | 0,05-0,11 | 0,70-0,95 | 1,80-2,10 | up to 0,20 | up to 0,25 | up to 0,025 | up to 0,03 | – |