10H12ND (0H12ND)
Production elements of welded structures working wheels of hydraulic turbines, water turbines parts, working in conditions of cavitation damage, details of steam and gas turbines
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Corrosion-resistant alloys and steels | Corrosion-resistant heat-resistant steel |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Cu, % | Ni, % | P, % | C, % | S, % |
|---|---|---|---|---|---|---|---|---|---|
| OST 108.958.04 - 85 | 82.75–85.8 | < 0.4 | 0.3–0.6 | 12–13.5 | 0.8–1.1 | 1.1–1.5 | < 0.025 | < 0.1 | < 0.025 |
Information on suppliers
Brinell hardness number
Technological Properties
| Weldability |
|---|
| Boundedly welded |
Standards
| Standard | Description |
|---|---|
| OST 108.958.04 - 85 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Cu | % | Copper |
| Ni | % | Nickel |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
Designation of types of weldability
| Parameter | Units of measurement | Description |
|---|---|---|
| no limits | Welding is performed without heating and without subsequent heat treatment | |
| Boundedly welded | Welding is possible with heating up to 100–120 °C and subsequent heat treatment | |
| Difficult to weld | For obtaining quality welded joints, additional operations are required: heating up to 200–300 °C for welding, heat treatment after welding — annealing | |
| Not applicable for welded structures |