St-07Kh25N13 (ER309LSi)
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, % | Ni, % | P, % | C, % | S, % | N, % |
|---|---|---|---|---|---|---|---|---|---|
| GOST 2246-70 | 56.817–63.5 | 0.5–1 | 1–2 | 23–26 | 12–14 | < 0.025 | < 0.09 | < 0.018 | < 0.05 |
Note: In the wire intended for welding (surfacing) the Cr content is not less than 23.5%
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. |
| For welding Diameter: 0.3 - 0.5 mm; Temporary resistance: 890 - 1390 MPa |
| For welding Diameter: 0.3 - 0.5 mm; Temporary resistance: 890 - 1390 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: 7.79 g / cm3 |
Standards
| Standard | Description |
|---|---|
| GOST 2246-70 | |
| OST 26-291-94 | |
| TU 14-1-3146-81 | |
| OST 24.300.04-91 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Ni | % | Nickel |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| N | % | Nitrogen |