25HGM
transmission gears
transmission gears
Standard | Fe, % | Si, % | Mn, % | Cr, % | Cu, % | Ni, % | P, % | C, % | S, % | Mo, % |
---|---|---|---|---|---|---|---|---|---|---|
Standard | Fe, % | Si, % | Mn, % | Cr, % | Cu, % | Ni, % | P, % | C, % | S, % | Mo, % |
GOST 4543-71 | 95.97–97.6 | 0.17–0.37 | 0.9–1.2 | 0.9–1.2 | < 0.3 | < 0.3 | < 0.035 | 0.23–0.29 | < 0.035 | 0.2–0.3 |
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 |
Rod | GOST 4543-71 | 1180 | 1080 | 10 | 45 | 780 | Hardening and tempering |
Rolling | Standard | Classifiers | Value, HBW |
---|---|---|---|
Rolling | Standard | Classifiers | Value, HBW |
Hire | GOST 4543-71 | 1 |
Germany |
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Germany |
1.7264 (20CrMo5) |
Standard | Description |
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Standard | Description |
GOST 4543-71 |
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 |