St-04H19N9 (ER 308)
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, % |
|---|---|---|---|---|---|---|---|---|
| GOST 2246-70 | 66.897–72.5 | 0.5–1 | 1–2 | 18–20 | 8–10 | < 0.025 | < 0.06 | < 0.018 |
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 |
| 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: 7.79 g / cm3 |
Analogues
| Germany | USA |
|---|---|
| 1.4302 | S30888 |
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 |
| Ni | % | Nickel |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |