Steel 07ГФБ (07ГФБ -)

Designation

Name The value
Designation GOST Cyrillic 07ГФБ
Designation GOST Latin 07GFB
Transliteration 07GFB
By chemical elements 07MnVNb
Name The value
Designation GOST Cyrillic 07ГФБ-У
Designation GOST Latin 07GFB-U
Transliteration 07GFB-U
By chemical elements 07MnVNb-C

Description

07ГФБ steel is used: for the manufacture of electrowelded pryamoshovny pipes of strength group K54 for the construction of gas pipelines, oil pipelines and oil product pipelines, resistant to hydrogen sulfide cracking.

Note

Steel low alloy manganese vanadium with niobium.

Standards

Name Code Standards
Bars and shapes В22 GOST 19281-2014
Sheets and strips В33 TU 14-1-4625-89
Steel pipes and fittings to them В62 TU 14-158-146-2004

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, %
Longitudinal electric-welded pipes of oil and gas in the state of delivery on the other 14-158-146-2004 (samples transverse; column cross section - outer diameter. wall thickness)
530, 720, 820 (7-12) ≥380 ≥530 ≥20

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 Welded without any restrictions.