Steel 10G2S1

Designation

Name	The value
Designation GOST Cyrillic	10Г2С1
Designation GOST Latin	10G2C1
Transliteration	10G2S1
By chemical elements	10Mn2С1

Description

10G2S1 steel is used: for the manufacture of different parts and welded steel elements operating at temperatures from -70 °C; apprat, blood vessels and parts of steam boilers operating at temperatures from -70 °C to +475 °C under pressure; the manufacture of welded transitions, flanges, welded tees and other fittings of pipelines as with the operating temperature from -60 °C to +350 °C; details of the hydro generators.

Note

Steel low-alloy silico-manganese. The degree of deoxidation — SP.
Steel 10G2S1 provides classes strength long products, strip and shaped rolled KP 295 thickness from 32 mm to 100 mm, KP 325 with a thickness from 10 to 60 mm., KP 345 in thicknesses up to 10 mm.
Steel 10G2S1 provides strength grade sheet, universal broadband rental and roll-formed profiles KP 295 with plate thickness of 32 mm to 100 mm, CP 315 with a thickness of 20 to 60 mm., KP 325 with a thickness of 10 to 20 mm., KP 345 in thicknesses up to 10 mm., KP 355 with a thickness up to 5 mm. without the use of additional hardening treatment.
In the application of quenching with vacation comes rolled section up to 32 mm. strength KP 390.

Standards

Name	Code	Standards
Classification, nomenclature and General rules	В20	GOST 19281-89
Steel pipes and fittings to them	В62	GOST 20295-85, GOST 24950-81, HUNDRED 79814898 105-2008
Sheets and strips	В23	GOST 82-70, GOST 5520-79, GOST 17066-94, GOST 19903-74, GOST 19904-90, GOST 19282-73, GOST 19903-90, TU 14-1-4632-93
Bars and shapes	В22	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 2590-2006, GOST 2591-2006, OST 5.9087-84
Welding and cutting metals. Soldering, riveting	В05	OST 36-58-81
Bars and shapes	В32	TU 14-1-1271-75, TU 14-136-367-2008
Sheets and strips	В33	TU 14-105-471-86, TU 14-1-5241-93, TU 14-1-4431-88

Mechanical properties

Section, mm	s_T\|s_0,2, MPa	σ_U, MPa	d₅, %	d₄	y, %	KCU, kJ/m²
Steel hot-rolled sheet in the delivery condition
2-3.9	-	≥490	-	≥17	-	-
4-7	≥380	≥520	≥22	-	-	-
8-32	≥350	≥500	≥22	-	-	≥587
Bars and shapes of high-strength steel in the delivery state according to the GOST 19281-89 (specified strength class)
32-100	≥295	≥430	≥21	-	-	-
10-60	≥325	≥450	≥21	-	-	-
≤10	≥345	≥480	≥21	-	-	-
Sheet as supplied by TU 14-1-5241-93. Quenching + Tempering (samples transverse)
10-50	≥325	≥450	≥21	-	-	-
The plates and universal broadband in the state of delivery GOST 19282-73 and Sheet 2-18, 19-22 categories, heat-treated, in the state of delivery GOST 5520-79
≤5	≥355	≥490	≥21	-	-	-
Sheets with a thickness of 16 mm. Normalization (samples transverse)
-	≥380	≥520	≥26	-	≥70	-
Sheet as supplied by TU 14-1-5241-93. Quenching + Tempering (samples transverse)
8-10	≥345	≥490	≥21	-	-	-
The plates and universal broadband in the state of delivery GOST 19282-73 and Sheet 2-18, 19-22 categories, heat-treated, in the state of delivery GOST 5520-79
10-20	≥335	≥480	≥21	-	-	-
Sheets with a thickness of 16 mm. Normalization (samples transverse)
-	≥350	≥475	≥25	-	≥65	-
The plates and universal broadband in the state of delivery GOST 19282-73 and Sheet 2-18, 19-22 categories, heat-treated, in the state of delivery GOST 5520-79
20-32	≥325	≥470	≥21	-	-	-
Sheets with a thickness of 16 mm. Normalization (samples transverse)
-	≥335	≥470	≥19	-	≥57	-
The plates and universal broadband in the state of delivery GOST 19282-73 and Sheet 2-18, 19-22 categories, heat-treated, in the state of delivery GOST 5520-79
32-60	≥325	≥450	≥21	-	-	-
Sheets with a thickness of 16 mm. Normalization (samples transverse)
-	≥260	≥510	≥19	-	≥60	-
The plates and universal broadband in the state of delivery GOST 19282-73 and Sheet 2-18, 19-22 categories, heat-treated, in the state of delivery GOST 5520-79
5-10	≥345	≥490	≥21	-	-	-
Sheets with a thickness of 32 mm laminated (samples transverse)
-	≥335	≥485	≥35	-	≥75	-
The plates and universal broadband in the state of delivery GOST 19282-73. Hardening + Vacation
10-40	≥390	≥530	≥19	-	-	-
The plates and universal broadband in the state of delivery GOST 19282-73 and Sheet 2-18, 19-22 categories, heat-treated, in the state of delivery GOST 5520-79
60-100	≥295	≥430	≥21	-	-	-
Sheets with a thickness of 32 mm laminated (samples transverse)
-	≥305	-	≥33	-	≥74	-
Pre-painted steel sheet of high-strength steel in the delivery state GOST 17066-94
0.5-3.9	≥345	≥490	-	≥19	-	-
Sheets with a thickness of 32 mm laminated (samples transverse)
-	≥300	≥460	-	-	≥70	-
Pre-painted steel sheet of high-strength steel in the delivery state GOST 17066-94
0.5-3.9	≥345	≥460	-	≥19	-	-
Sheets with a thickness of 32 mm laminated (samples transverse)
-	≥250	-	-	-	≥69	-
-	≥185	≥405	≥30	-	-	-
-	≥175	≥335	≥31	-	-	-

Description mechanical marks

Name	Description
s_T\|s_0,2	Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σ_U	Limit short-term strength
d₅	Elongation after rupture
d₄	Elongation after rupture
y	The relative narrowing
KCU	Toughness

Technological properties

Name	The value
Weldability	Welded without any restrictions. Welding methods: SMAW, ADS submerged arc and gas protection electroslag welding.
Склонность к отпускной хрупкости	Tend not.
The temperature of forging	Start - 1200 °C, the end - 850 °C.
Flock-sensitive sensitivity	not sensitive.