03H21N32M3B (03H21N32M3B-VI, CS33, CHS33-VI, EP864)
For the manufacture of products for operating at high temperatures in special environments; steam generators to operate at temperatures up to +750 ° C; refinery equipment operating in environments with a high content of hydrogen sulfide and chlorides at temperatures up to +200 ° C; casing and tubing for the oil and gas wells production with a high content of hydrogen sulfide; Device for supplying the gas-vapor mixture in the well; pipelines for sea water.
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Corrosion-resistant alloys and steels | Corrosion-resistant heat-resistant steel |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Ni, % | P, % | C, % | S, % | Nb, % | Mo, % |
|---|---|---|---|---|---|---|---|---|---|---|
| TU 14-159-251 - 95 | 37.695–43.3 | < 0.35 | 1.3–1.7 | 20–22 | 31.5–33 | < 0.015 | < 0.03 | < 0.01 | 0.9–1.2 | 3–4 |
Information on suppliers
Standards
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 |
| Nb | % | Niobium |
| Mo | % | Molybdenum |