Steel SV-04Х20Н10Г2Б (ЭП762)

Designation

Name The value
Designation GOST Cyrillic Св-04Х20Н10Г2Б
Designation GOST Latin Cb-04X20H10G2B
Transliteration Sv-04H20N10G2B
By chemical elements 04Cr20Н10Mn2Nb
Name The value
Designation GOST Cyrillic ЭП762
Designation GOST Latin EP762
Transliteration EhP762
By chemical elements -

Description

Steel SV-04Х20Н10Г2Б used: for the production of welding of the ribbon thickness of 0.5 and 0.7 mm and the wire from 1.2 mm to 5.0 mm, used for hardfacing of parts and for welding of steel structures in nuclear power engineering.

Note

Corrosion-resistant steel.

Standards

Name Code Standards
Welding and cutting metals. Soldering, riveting В05 TU 14-1-2270-77, TU 14-1-4591-89, TU 14-1-5363-2008
Tape В34 TU 14-1-2270-2013

Chemical composition

Standard C S P Mn Cr Si Ni Fe Nb
TU 14-1-2270-2013 ≤0.04 ≤0.018 ≤0.025 1.8-2.2 18.5-20.5 0.2-0.45 9-10.5 Rest 0.9-1.3
Fe is the basis.
According to TU 14-1-2270-2013, deviations in the mass fraction of carbon are allowed: plus 0.0050%. Permissible deviations in the mass fraction of the remaining elements in accordance with Table 3 of GOST 2246. Upon agreement of the consumer with the supplier, it is allowed to limit the mass fraction of carbon, sulfur, phosphorus and rationing the residual mass fraction of elements in steel: cobalt, aluminum, copper and nitrogen.

Mechanical properties

Section, mm σU, MPa
Tape welding on delivery on the other 14-1-2270-2013
880-1127
Tape welding on the other 14-1-2270-77
≤1130

Description mechanical marks

Name Description
σU Limit short-term strength

Technological properties

Name The value
Microstructure The amount of ferritic phase in steel should be in the range of 4.0 to 8.0%.