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Steel 12GS (SV-12GS)

03CrNiSteel 05G1B steel 06G2AF steel 06G2MFB steel 06G2FR steel 06CGSY steel Steel 07GBU Steel 07GFB (07GFB-U) 08G1NFB steel Steel 08G2MF (08G2MFA) 08G2S steel 08G2SFB steel Steel 08G2T (08G2T-U) 08G2FBT steel 08GBU steel Steel 08GBUTR Steel 09G2 Steel 09G2D Steel 09G2S (09G2SA) Steel 09G2SD Steel 09G2FB (09G2BT) 09GBU steel 09GNFB steel Steel 09GSNBTs 09CrNi2Ab steel 10G2B steel Steel 10G2BD 10G2BTU steel Steel 10G2S1 Steel 10G2S1D 10G2SB steel 10G2SFB steel 10G2T steel 10G2FB steel 10Г2ФБЮ steel 10GNB steel Steel 10GS2 10GT steel Steel 10ХГСН1Д (СХЛ-45) 10XDP steel Steel 10ХН1М (ВК-1А) 10KhNDM steel 10XNDP steel Steel 10ХСНД (СХЛ-4) Steel 12G (12GA) Steel 12G2AF Steel 12G2B Steel 12G2S Steel 12G2SB Steel 12G2SMF Steel 12G2SMFAU 12GN2MFAu steel 12NDU steel Steel 12GS (Sv-12GS) 12GSB steel 12GF steel 12ХГДАФ steel 12HSND steel Steel 13G1S (13G1S-U) Steel 13G1SB (13G1SB-U) 13G2AF steel 13GDF steel Steel 13GS (13GS-U) Steel 13GF (13GFA) Steel 14G2 Steel 14G2AF Steel 14G2AFD Steel 14GS Steel 14GF Steel 14ХГМДЦ Steel 14KhGS 15Г2АФД steel (15Г2АФДпс) 15G2SF steel 15G2SFD steel 15Г2ФБЮ steel 15GS steel 15GF steel 15GFD steel 15KhDP steel 15HSND steel Steel 16G (16GA) 16G2AF steel Steel 16G2AFD Steel 16G2SF (16G2SAF) 16GD steel 16GMYUCH steel 16GS steel 16GFB steel Steel 16D Steel 17G1S (17G1S-U) Steel 17GS Steel 18G2AF (18G2AFps) Steel 18Г2АФД (18Г2АФДпс) 18G2S steel 18YuT steel (Ch-33) Steel 19YuFT (Ch37) Steel 1Х2М1 Steel 20G2S 20GS steel Steel 20GS2 Steel 20GSF (20GSFL) Steel 20Х2Г2СР Steel 20KhG2Ts Steel 20ХГСС2 Steel 22G2 22GYu steel Steel 22C Steel 22Kh2G2AU Steel 22Kh2G2P Steel 23Cr2G2T Steel 25G2S Steel 25GS Steel 25C2P Steel 27GS Steel 28G2S1D Steel 28G2SFB (28G2SFBD) Steel 28C Steel 30HS2 Steel 32G2RPs Steel 35GS 45KhGMA steel Steel 80C Steel SVS-690 (Severstal-690) X56 steel

Designation

Name The value
Designation GOST Cyrillic 12ГС
Designation GOST Latin 12GC
Transliteration 12GS
The chemical elements 12MnС
Name The value
Designation GOST Cyrillic Св-12ГС
Designation GOST Latin Cb-12GC
Transliteration Sv-12GS
The chemical elements 12MnС

Description

The 12GS steel is used: for the production of parts manufactured by the methods of drawing, forging and stamping; welding wire.

Note

Steel low-alloy silico-manganese. The degree of deoxidation — SP.
The 12GS steel provides strength grade sheet, universal broadband rental and roll-formed profiles of the CP 315 with plate thickness of up to 10 mm without the use of additional hardening treatment.

Standards

Name Code Standards
Classification, nomenclature and general norms В20 GOST 19281-89
Pipes steel and connecting parts to them В62 GOST 20295-85, GOST 24950-81, TU 14-158-153-05
Welding and cutting of metals. Soldering, riveting В05 GOST 2246-70, TU 14-4-748-76
Sheets and stripes В23 GOST 82-70, GOST 17066-94, GOST 19903-74, GOST 19282-73, GOST 19903-90, TU 14-1-4632-93
Sectional and shaped rolling В22 GOST 8278-83, GOST 8281-80, GOST 8282-83, GOST 8283-93, GOST 9234-74, GOST 11474-76
Sheets and stripes В33 TU 14-1-1376-75, TU 14-1-3466-82, TU 14-104-143-93, TU 14-1-5246-94, TU 14-1-4431-88
Sectional and shaped rolling В32 TU 14-136-367-2008

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu N As Al V Ti Mo
GOST 2246-70 ≤0.14 ≤0.03 ≤0.03 0.8-1.1 ≤0.2 0.6-0.9 ≤0.3 The rest ≤0.25 ≤0.01 ≤0.08 ≤0.05 ≤0.05 ≤0.04 ≤0.15
GOST 19281-89 0.09-0.15 ≤0.04 ≤0.035 0.8-1.2 ≤0.3 0.5-0.8 ≤0.3 The rest ≤0.3 ≤0.008 ≤0.08 ≤0.05 - ≤0.03 -
GOST 17066-94 0.09-0.15 ≤0.04 ≤0.035 0.8-1.2 ≤0.3 0.5-0.7 ≤0.3 The rest ≤0.3 ≤0.008 ≤0.08 ≤0.03 - ≤0.03 -
TU 14-104-143-93 0.09-0.15 ≤0.04 ≤0.04 0.8-1.2 ≤0.3 0.5-0.8 ≤0.3 The rest ≤0.3 ≤0.01 - ≤0.05 - ≤0.03 -
Fe is the basis.
According to GOST 17066-94, the mass fraction of arsenic is allowed up to 0.015%, with the mass fraction of phosphorus being not more than 0.030%.
According to GOST 19282-73, it is allowed to modify steel with calcium and rare-earth elements from the calculation of the introduction of not more than 0.02% calcium and 0.05% rare-earth elements into the metal.
According to GOST 19281-89 and GOST 19282-73, it is allowed to add aluminum and titanium from the calculation of the mass fraction in the rolled aluminum - no more than 0.050%, titanium - no more than 0.030%.
According to GOST 2246-70 the chemical composition is given for a welding wire of the brand Sv-12GS.

Mechanical characteristics

Section, mm t отпуска, °C sT|s0,2, MPa σB, MPa d5, % d4 y, % kJ/m2, кДж/м2 Brinell hardness number, MPa
Rolled steel in the delivery state
4-10 - - ≥470 ≥26 - - - -
Card delivery status on the other 14-104-143-93
- ≥255 ≥392 ≥24 - - - ≥134
Hot-rolled steel sheets in the delivered state
2-3.9 - ≥320 ≥460 - ≥22 - - -
The core diameter of 19 mm. Quenching. Cooling speeds of 200 °/s. speed during the holidays 1 hour
- 200 ≥1080 ≥1130 - - ≥55 - -
Sheet and strip heat-treated rolled high quality in the delivery condition on the other 14-104-4632-93 (transverse samples, impact strength KCU-40 °C/KCU-70 °C
5-25 - 315-510 460-660 ≥21 - - ≥392/294 -
The plates and universal broadband in the state of delivery GOST 19282-73
≤10 - ≥315 ≥460 - ≥26 - - -
The core diameter of 19 mm. Quenching. Cooling speeds of 200 °/s. speed during the holidays 1 hour
- 300 ≥1040 ≥1080 - - ≥55 - -
Welding wire SV-12GS for the manufacture of electrodes according to the GOST 2246-70
1.6; 2.0 - - 690-990 - - - - -
Pre-painted steel sheet of high-strength steel in the delivery state GOST 17066-94
0.5-3.9 - ≥315 ≥460 - ≥20 - - -
The core diameter of 19 mm. Quenching. Cooling speeds of 200 °/s. speed during the holidays 1 hour
- 400 ≥980 ≥1030 - - ≥65 - -
Welding wire SV-12GS for the manufacture of electrodes according to the GOST 2246-70
2 - - 640-940 - - - - -
Pre-painted steel sheet of high-strength steel in the delivery state GOST 17066-94
0.5-3.9 - ≥315 ≥430 - ≥20 - - -
The core diameter of 19 mm. Quenching. Cooling speeds of 200 °/s. speed during the holidays 1 hour
- 500 ≥690 ≥780 - - ≥68 - -
Welding wire SV-12GS for welding GOST 2246-70
0.3-0.5 - - 890-1390 - - - - -
The core diameter of 19 mm. Quenching. Cooling speeds of 200 °/s. speed during the holidays 1 hour
- 600 ≥610 ≥730 - - ≥75 - -
Welding wire SV-12GS for welding GOST 2246-70
0.8-1.5 - - 890-1340 - - - - -
The core diameter of 19 mm. Quenching. Cooling at a speed of 45 °/s. speed during the holidays 1 hour
- 200 ≥720 ≥850 - - ≥60 - -
Welding wire SV-12GS for welding GOST 2246-70
1.6 - - 890-1290 - - - - -
The core diameter of 19 mm. Quenching. Cooling at a speed of 45 °/s. speed during the holidays 1 hour
- 300 ≥640 ≥760 - - ≥65 - -
Welding wire SV-12GS for welding GOST 2246-70
2 - - 790-1190 - - - - -
The core diameter of 19 mm. Quenching. Cooling at a speed of 45 °/s. speed during the holidays 1 hour
- 400 ≥610 ≥730 - - ≥69 - -
Welding wire SV-12GS for welding GOST 2246-70
2 - - 690-1040 - - - - -
The core diameter of 19 mm. Quenching. Cooling at a speed of 45 °/s. speed during the holidays 1 hour
- 500 ≥530 ≥690 - - - - -
- 600 ≥420 ≥590 - - ≥70 - -

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
d4 Elongation after rupture
y The relative narrowing
kJ/m2 Toughness

Technological properties

Name The value
Weldability Welded without any restrictions.
Propensity to temper brittleness Tend not.
Forging temperature Start - 1200 °C, the end - 850 °C.
Flock-sensitive sensitivity not sensitive.

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