Steel 26ХМА (26ХМ; 25ХМ)

Designation

Name The value
Designation GOST Cyrillic 26ХМА
Designation GOST Latin 26XMA
Transliteration 26HMA
By chemical elements 26CrMo
Name The value
Designation GOST Cyrillic 26ХМ
Designation GOST Latin 26XM
Transliteration 26HM
By chemical elements 26CrMo
Name The value
Designation GOST Cyrillic 25ХМ
Designation GOST Latin 25XM
Transliteration 25HM
By chemical elements 25CrMo

Description

26ХМА steel is used: for the manufacture of solid-rolled rings for different purposes, gears, shafts, axles, pins, nuts, bolts and various other parts operating at temperatures up to +450−500 °C; of billets used for the production of pipes and rolled sections.

Note

Structural steel high-quality chrome-molybdenum.

Standards

Name Code Standards
Bars and shapes В32 OST 1 92049-76
Blanks. Of the workpiece. Slabs В31 TU 14-1-4944-90

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % y, % KCU, kJ/m2
Rings forged of steel 25ХМ for OST 1 92049-76. Quenching in water from 860-900 °C + Vacation at 560-600 °C, air cooling
15 ≥460 ≥660 ≥11 ≥32 ≥441

Description mechanical marks

Name Description
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σU Limit short-term strength
d5 Elongation after rupture
y The relative narrowing
KCU Toughness