Steel 25ХМ

Designation

Name The value
Designation GOST Cyrillic 25ХМ
Designation GOST Latin 25XM
Transliteration 25HM
By chemical elements 25CrMo

Description

25ХМ steel is used: for manufacturing gear wheels, parts gearboxes, gears, shafts, axles, pins, nuts, bolts and various other parts operating at temperatures up to 450−500 °C.

Note

Structural steel high-quality chrome-molybdenum.

Standards

Name Code Standards
Sheets and strips В33 TU 108.1273-84

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu Mo
TU 108.1273-84 0.2-0.3 ≤0.03 ≤0.03 0.4-0.7 0.6-0.9 0.17-0.37 ≤0.4 Rest ≤0.4 0.15-0.25
Fe is the basis.
According to TU 108.1273-84, deviations are allowed: for carbon ± 0.010%, for silicon ± 0.020%, for manganese ± 0.060%, for chromium ± 0.050%, for nickel + 0.20%, for molybdenum ± 0.020%.