Steel 08Х14МФ

Designation

Name The value
Designation GOST Cyrillic 08Х14МФ
Designation GOST Latin 08X14MF
Transliteration 08H14MF
By chemical elements 08Cr14MoV

Description

08Х14МФ steel is used: for the production of billets and bars intended for the manufacture of pipes; steam boilers, steam pipelines and collectors with high and supercritical steam parameters; parts and equipment, power engineering, nuclear and thermal power plants.

Note

High-chromium steel martensite-ferritic class.

Standards

Name Code Standards
Bars and shapes В32 TU 14-1-1529-2003
Sheets and strips В33 TU 14-105-549-92
Steel pipes and fittings to them В62 TU 14-3-1808-91, TU 1361-023-00212179-2005

Chemical composition

Standard C S P Mn Cr Si Fe V Mo
TU 14-1-1529-2003 0.05-0.1 ≤0.02 ≤0.035 0.8-1.2 13-14.8 0.2-0.45 Rest 0.15-0.3 0.2-0.4
Fe is the basis.
According to TU 14-1-1529-2003, the mass fraction of the residual elements: tungsten, nickel and copper should meet the requirements of GOST 5632. For steel 08Х14МФ-Ш the sulfur content should be ≤ 0,15% phosphorus content ≤ 0,35%.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, %
The tubular billet. Normalization at 1000-1030 °C, air cooling + Vacation at 750-770 °C (aged for at least 3 h), air cooling
25 ≥345 ≥540 ≥20
Pipe seamless cold and warm on the other 1361-023-00212179-2005
- 245-392 ≥441 ≥25
- ≥196 - -
- ≥176 - -
- 245-490 ≥441 ≥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

Technological properties

Name The value
Weldability Has good weldability.
Corrosion resistance Stainless steel, corrosion resistant, okolnostima steel.