25H2NML
parts for heavy and transport engineering, working in conditions of low temperature and high load conditions; responsible welded-cast structures of large sections of career and draglines.
parts for heavy and transport engineering, working in conditions of low temperature and high load conditions; responsible welded-cast structures of large sections of career and draglines.
Standard | Fe, % | Si, % | Mn, % | Cr, % | Cu, % | Ni, % | P, % | C, % | S, % | Mo, % |
---|---|---|---|---|---|---|---|---|---|---|
Standard | Fe, % | Si, % | Mn, % | Cr, % | Cu, % | Ni, % | P, % | C, % | S, % | Mo, % |
GOST 21357-87 | 95.06–96.68 | 0.2–0.4 | 0.5–0.8 | 1.6–1.9 | < 0.3 | 0.6–0.9 | < 0.02 | 0.22–0.3 | < 0.02 | 0.2–0.3 |
Rolling | Standard | Size, mm | Tension | Classifiers | \sigma _{U}, MPa | \sigma_{P}, MPa | \epsilon_L, % | \psi, % | Treatment |
---|---|---|---|---|---|---|---|---|---|
Rolling | Standard | Size, mm | Tension | Classifiers | \sigma _{U}, MPa | \sigma_{P}, MPa | \epsilon_L, % | \psi, % | Treatment |
Castings | GOST 21357-87 | 800 | 700 | 12 | 25 | Hardening in water 860-880 ° C, 580-600 ° C and Holidays |
Standard | Description |
---|---|
Standard | Description |
GOST 21357-87 |