10H11N23T3MR (EP33, X12N22T3MR)
Springs and fastener parts
springs and fasteners with a limited period of work at temperatures up to 700 ° C; austenitic steel
Springs and fastener parts
springs and fasteners with a limited period of work at temperatures up to 700 ° C; austenitic steel
Standard | Fe, % | Si, % | B, % | Mn, % | Cr, % | Ti, % | Ni, % | Al, % | P, % | C, % | S, % | Mo, % |
---|---|---|---|---|---|---|---|---|---|---|---|---|
GOST 5632-72 | 55.545–65.4 | < 0.6 | < 0.02 | < 0.6 | 10–12.5 | 2.6–3.2 | 21–25 | < 0.8 | < 0.025 | < 0.1 | < 0.01 | 1–1.6 |
Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{P}$$, $$MPa$$ | $$\epsilon_L$$, % | $$\psi$$, % | $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ | Treatment |
---|---|---|---|---|---|---|---|---|---|---|
Rod | GOST 5949-75 | 880–980 | 590–685 | 8–10 | 10–12 | 290 | Quenching and aging |