18H3MV (EI578)
Pipes for hydrogenation units;
Pipes for hydrogenation units;
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Ni, % | V, % | P, % | C, % | S, % | Mo, % | W, % |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Ni, % | V, % | P, % | C, % | S, % | Mo, % | W, % |
| GOST 20072-74 | 93.925–95.88 | 0.17–0.37 | 0.25–0.5 | 2.5–3 | < 0.3 | 0.05–0.15 | < 0.03 | 0.15–0.2 | < 0.025 | 0.5–0.7 | 0.5–0.8 |
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{P}$$, $$MPa$$ | $$\epsilon_L$$, % | $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ | Treatment |
|---|---|---|---|---|---|---|---|---|---|
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{P}$$, $$MPa$$ | $$\epsilon_L$$, % | $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ | Treatment |
| Rod | GOST 20072-74 | 640 | 440 | 18 | 1180 | Hardening and tempering |
| Standard | Description |
|---|---|
| Standard | Description |
| GOST 20072-74 |