Steel 50Х25Н35В5К15С

Designation

Name The value
Designation GOST Cyrillic 50Х25Н35В5К15С
Designation GOST Latin 50X25H35B5K15C
Transliteration 50H25N35V5K15S
By chemical elements 50Cr25Н35W5Co15С

Description

50Х25Н35В5К15С steel is used: for the manufacture of pipes tsentrobezhnolityh for the manufacture of the coils of the tubular furnace installations production of ammonia, hydrogen, ethylene, carbon disulphide, etc., operating in the temperature range 760−1060 °C and a pressure of 3.92 MPa (40 kgf/cm2).

Standards

Name Code Standards
Steel pipes and fittings to them В62 TU 1333-047-00220302-02

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu As V Ti Mo Zn Sn Pb W Co
TU 1333-047-00220302-02 0.45-0.55 ≤0.02 ≤0.025 0.0005-0.71 25-28 1.1995-1.59 34-37 Rest ≤0.2 ≤0.01 0.0005-0.2 0.0005-0.1 ≤0.5 ≤0.01 ≤0.01 ≤0.01 4.5-5.5 14-16
Fe is the basis.

Mechanical properties

sT|s0,2, MPa σU, MPa d y, %
Tsentrobezhnolityh pipe outer diameter 85-320 mm. Quenching in water or air from 1100-1150 °C
≥245 ≥490 ≥4 ≥5

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
d Elongation after rupture
y The relative narrowing