30H2NMA
For the manufacture of critical parts of high strength and toughness, working in conditions of re-variable loads
For the manufacture of critical parts of high strength and toughness, working in conditions of re-variable loads
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Ti, % | Cu, % | Ni, % | V, % | P, % | C, % | S, % | Mo, % | W, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Ti, % | Cu, % | Ni, % | V, % | P, % | C, % | S, % | Mo, % | W, % |
| TU 14-1-950-74 | 93.71–95.86 | 0.17–0.37 | 0.3–0.6 | 1.6–2 | < 0.03 | < 0.25 | 1.4–1.8 | < 0.05 | < 0.025 | 0.27–0.34 | < 0.025 | 0.4–0.5 | < 0.3 |
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{Y}$$, $$MPa$$ | $$\psi$$, % | $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ | d5, % | Treatment |
|---|---|---|---|---|---|---|---|---|---|---|
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{Y}$$, $$MPa$$ | $$\psi$$, % | $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ | d5, % | Treatment |
| Rod | TU 14-1-950-74 | Ø 25 | 980–1175 | 835–980 | 45–55 | 785–1175 | 10–12 | Hardening and tempering |
| Standard | Description |
|---|---|
| Standard | Description |
| TU 14-1-950-74 |
| Parameter | Units of measurement | Description |
|---|---|---|
| Parameter | Units of measurement | Description |
| d5 | % | Elongation at break |
| $$\sigma_{Y}$$ | $$MPa$$ | Yield strength |
| $$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |
| $$\psi$$ | % | Reduction in cross section on fracture |
| $$KCU\cdot 10^{3}$$ | $$\frac{J}{m^2}$$ | Impact toughness |