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Steel St3gsp (ВСт3Гсп)

Designation

Name The value
Designation GOST Cyrillic Ст3Гсп
Designation GOST Latin Ct3Gcp
Transliteration St3Gsp
The chemical elements 3Mn
Name The value
Designation GOST Cyrillic ВСт3Гсп
Designation GOST Latin BCt3Gcp
Transliteration VSt3Gsp
The chemical elements 3Mn

Description

Steel St3gsp usedfor producing h-beam, channels, angle steel, used in the manufacture of load-bearing elements of welded structures operating at variable loads at temperatures from -20 °C to +425 °C; the two-headed rails, t-type P5, is designed for ground and suspended tracks; steel moulded profile for mining equipment.

Note

The degree of deoxidation — SP.

Standards

Name Code Standards
Pipes steel and connecting parts to them В62 GOST 3262-75, GOST 20295-85, GOST 24950-81, TU 14-3-1160-83, TU 14-3-1428-86, TU 14-159-339-2009
Tapes В24 GOST 3560-73, STP М309-74
Classification, nomenclature and general norms В20 GOST 380-2005
Sectional and shaped rolling В22 GOST 5422-73, GOST 5781-82, GOST 8239-89, GOST 8240-97, GOST 8278-83, GOST 8281-80, GOST 8282-83, GOST 8283-93, GOST 8509-93, GOST 8510-86, GOST 9234-74, GOST 11474-76, GOST 19240-73, GOST 19425-74, GOST 535-2005, GOST 2590-2006, GOST 2591-2006, GOST 2879-2006, OST 5.9086-85, OST 5.9087-84
Sheets and stripes В23 GOST 82-70, GOST 14637-89, GOST 14918-80, GOST 103-2006
Bulls. Blanks. Slabs В31 OST 3-1686-90, TU 14-1-4944-90
Sheets and stripes В33 TU 14-1-4431-88
Sectional and shaped rolling В32 TU 14-2-849-89, TU 14-11-245-88, TU 14-136-367-2008

Mechanical characteristics

Section, mm sT|s0,2, MPa σB, MPa d5, % kJ/m2, кДж/м2
The hot rolled shapes in the state of delivery
20-40 ≥245 390-570 ≥24 ≥880
Hot-rolled plate in the delivery condition
≤20 ≥255 390-570 ≥23 -
20-40 ≥245 390-570 ≥24 -
Sheet as supplied. Without heat treatment
4-20 ≥255 390-570 ≥23 -

Description mechanical marks

Name Description
Section Section
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σB Limit short-term strength
d5 Elongation after rupture
kJ/m2 Toughness

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