Steel 01Х18М2Т (ЧС77)

Designation

Name The value
Designation GOST Cyrillic 01Х18М2Т
Designation GOST Latin 01X18M2T
Transliteration 01H18M2T
By chemical elements 01Cr18Mo2Ti
Name The value
Designation GOST Cyrillic ЧС77
Designation GOST Latin ChC77
Transliteration ChS77
By chemical elements ZrС77

Description

01Х18М2Т steel is used: for the manufacture of tubes in heat exchangers petrochemical equipment; parts of equipment persistent in the production of caustic soda, horsterweg environments, equipment of oil-refining and pulp industry with temperatures of up to +300 °C; the welding wire.

Standards

Name Code Standards
Blanks. Of the workpiece. Slabs В31 TU 14-1-3547-83
Sheets and strips В33 TU 14-1-3622-83
Welding and cutting metals. Soldering, riveting В05 TU 14-1-3996-85
Steel pipes and fittings to them В62 TU 14-3-1275-83

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu N Ti Mo
TU 14-1-3547-83 ≤0.01 ≤0.015 ≤0.015 ≤0.7 17-19 ≤0.5 ≤0.4 Rest ≤0.15 ≤0.01 0.15-0.35 1.8-2.5
Fe is the basis.
According to TU 14-1-3547-83, the chemical composition is given for steel grade 01Х18М2Т-ВИ (ЧС77-ВИ).

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, %
Pipe seamless in the delivery state after quenching on the other 14-3-1275-83 (DH = 25-75 mm, wall 2-3 mm)
≥215 ≥392 ≥25

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