St-07H25N12G2T (VC-75)
Welding wire cold drawn alloy steel welding (surfacing), and the manufacture of electrodes
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Materials for welding and soldering | Steel welding wire |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Ti, % | Ni, % | P, % | C, % | S, % |
|---|---|---|---|---|---|---|---|---|---|
| GOST 2246-70 | 55.855–62.6 | 0.3–1 | 1.5–2.5 | 24–26.5 | 0.6–1 | 11–13 | < 0.035 | < 0.09 | < 0.02 |
Information on suppliers
Properties
| Property |
|---|
| Note Fluctuations in the tensile strength in one coil of wire with a diameter of more than 1.4 mm should not exceed 90 N / mm2. |
| It is allowed to increase the upper limit of temporary tensile strength for wire with a diameter of more than 2 mm to 1090N / mm2. |
| For welding Diameter: 0.3 - 0.5 mm; Temporary resistance: 890 - 1390 MPa |
| Diameter: 0.8 - 1.5 mm; Temporary resistance: 890 - 1340 MPa |
| Diameter: 1.6mm; Temporary resistance: 890 - 1290 MPa |
| Diameter: 2mm; Temporary resistance: 790 - 1190 MPa |
| Diameter:> 2 mm; Temporary resistance: 690 - 1040 MPa |
| For the manufacture of electrodes Diameter: 1.6 mm; Temporary resistance: 690 - 990 MPa |
| Diameter: 2mm; Temporary resistance: 690 - 990 MPa |
| Diameter:> 2 mm; Temporary resistance: 640 - 940 MPa |
| Density: 7.75 g / cm3 |
Standards
| Standard | Description |
|---|---|
| GOST 2246-70 | |
| OST 26-291-94 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Ti | % | Titan |
| Ni | % | Nickel |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |