30HGSFL
gear, gears, and other parts of mechanical engineering.
gear, gears, and other parts of mechanical engineering.
Standard | Fe, % | Si, % | Mn, % | Cr, % | V, % | P, % | C, % | S, % |
---|---|---|---|---|---|---|---|---|
Standard | Fe, % | Si, % | Mn, % | Cr, % | V, % | P, % | C, % | S, % |
GOST 977-88 | 96.83–97.99 | 0.4–0.6 | 1–1.5 | 0.3–0.5 | 0.06–0.12 | < 0.05 | 0.25–0.35 | < 0.05 |
Rolling | Standard | Size, mm | Tension | Classifiers | \sigma _{U}, MPa | \sigma_{P}, MPa | \epsilon_L, % | \psi, % | KCU\cdot 10^{3}, \frac{J}{m^2} | Treatment |
---|---|---|---|---|---|---|---|---|---|---|
Rolling | Standard | Size, mm | Tension | Classifiers | \sigma _{U}, MPa | \sigma_{P}, MPa | \epsilon_L, % | \psi, % | KCU\cdot 10^{3}, \frac{J}{m^2} | Treatment |
Castings | GOST 977-88 | < 100 | 589 | 392 | 15 | 25 | 343 | Normalization of 900-930 ° C, 600-650 ° C and Holidays | ||
Castings | GOST 977-88 | 785 | 589 | 14 | 25 | 441 | Tempering 900-920 ° C, 630-670 ° C and Holidays |
Standard | Description |
---|---|
Standard | Description |
GOST 977-88 |
Parameter | Units of measurement | Description |
---|---|---|
Parameter | Units of measurement | Description |
\sigma _{U} | MPa | Ultimate tensile strength |
\sigma_{P} | MPa | Proportionality limit |
\epsilon_L | % | Elongation at break (longitudinal) |
\psi | % | Reduction in cross section on fracture |
KCU\cdot 10^{3} | \frac{J}{m^2} | Impact toughness |