Steel 15ГС
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 | 15ГС |
| Designation GOST Latin | 15GC |
| Transliteration | 15GS |
| The chemical elements | 15MnС |
Description
15ГС steel is used: for the manufacture of rolled plate, long products and pipe blanks; parts such as bottoms, collar flanges, fittings, rings, tubes, tees and parts of rectangular shape for power equipment and pipelines with an absolute pressure of more than 3.9 MPa and thermal power plants; components for fixed piping of the feed water of boilers SVP, operating at temperatures up to +280 °C; the equipment and pipelines of nuclear power plants (NPP); of billets intended for the manufacture of seamless cold, warm, hot-wrought, including hot-pressed and hot-pressed pipes is reduced, designed for steam boilers and pipelines, installations with high and supercritical steam parameters.
Standards
| Name | Code | Standards |
|---|---|---|
| Metal forming. Forgings | В03 | GOST 8479-70, OST 108.030.113-87, OST 26-01-135-81, TU 108.1267-84, TU 108.11.653-82 |
| Welding and cutting of metals. Soldering, riveting | В05 | OST 24.125.02-89 |
| Pipes steel and connecting parts to them | В62 | OST 24.125.30-89, TU 14-3-420-75, TU 14-3-463-2005, TU 14-3-460-2009, TU 1301-039-00212179-2010, TU 1310-030-00212179-2007, TU 108-874-2012, TU 14-3Р-55-2001, TU 14-3-460-2003 |
| Sectional and shaped rolling | В32 | TU 108-771-84, TU 108.772-85, TU 14-1-1529-2003 |
| Sheets and stripes | В33 | TU 108.1268-84 |
| Bulls. Blanks. Slabs | В31 | TU 108.1398-86, TU 108-938-80, TU 14-1-1787-76, TU 14-1-2560-78, TU 14-1-4992-91, TU 24-11.006-89 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | Mo |
|---|---|---|---|---|---|---|---|---|---|---|
| TU 14-3-460-2003 | 0.12-0.18 | ≤0.025 | ≤0.025 | 0.9-1.3 | ≤0.3 | 0.7-1 | ≤0.3 | The rest | ≤0.3 | - |
| TU 108-874-2012 | 0.13-0.17 | ≤0.025 | ≤0.03 | 0.9-1.3 | ≤0.3 | 0.7-1 | ≤0.3 | The rest | ≤0.3 | ≤0.3 |
| TU 14-3Р-55-2001 | 0.12-0.18 | ≤0.025 | ≤0.035 | 0.9-1.3 | ≤0.3 | 0.7-1 | ≤0.3 | The rest | ≤0.3 | - |
| TU 1301-039-00212179-2010 | 0.12-0.18 | ≤0.025 | ≤0.035 | 0.9-1.3 | ≤0.3 | 0.7-1 | ≤0.3 | The rest | ≤0.3 | ≤0.15 |
Fe is the basis.
According to TU 108.1268-84, the technological addition of rare earth metals is allowed up to 0.20% by calculation.
According to TU 14-1-1529-2003 and TU 14-3-460-2003 for steel produced by scrap process or from cuprous ores, the mass fraction of residual copper and nickel is allowed up to 0.30% of each. A technological addition of rare earth elements is allowed to improve the quality of the metal.
According to TU 14-3R-55-2001, the content of nickel and chromium is allowed to not exceed 0.40% of each. The presence of rare-earth elements introduced as technological additives is allowed.
According to TU 1301-039-00212179-2010 the chemical composition is given for steel grade 15GS-III. The content of each impurity element, not regulated by the table, is allowed up to 0.050%.
According to TU 108-874-2012 the chemical composition is given for steel grade 15GS. The presence of rare-earth elements in steel is not a defective feature. Permissible deviations in chemical composition: carbon ± 0.020%, silicon ± 0.050%, manganese ± 0.10%, chromium ± 0.050%.
According to TU 108.1268-84, the technological addition of rare earth metals is allowed up to 0.20% by calculation.
According to TU 14-1-1529-2003 and TU 14-3-460-2003 for steel produced by scrap process or from cuprous ores, the mass fraction of residual copper and nickel is allowed up to 0.30% of each. A technological addition of rare earth elements is allowed to improve the quality of the metal.
According to TU 14-3R-55-2001, the content of nickel and chromium is allowed to not exceed 0.40% of each. The presence of rare-earth elements introduced as technological additives is allowed.
According to TU 1301-039-00212179-2010 the chemical composition is given for steel grade 15GS-III. The content of each impurity element, not regulated by the table, is allowed up to 0.050%.
According to TU 108-874-2012 the chemical composition is given for steel grade 15GS. The presence of rare-earth elements in steel is not a defective feature. Permissible deviations in chemical composition: carbon ± 0.020%, silicon ± 0.050%, manganese ± 0.10%, chromium ± 0.050%.
Mechanical characteristics
| Section, mm | sT|s0,2, MPa | σB, MPa | d5, % | d | y, % | kJ/m2, кДж/м2 |
|---|---|---|---|---|---|---|
| Sheet metal 25-140 mm. Normalization at 900-930 °C, air cooling + Vacation at 650-680 °C, air cooling (the average data) | ||||||
| - | ≥237 | - | - | - | - | - |
| Pipe. Normalization at 900 - 930°C, air cooling | ||||||
| - | - | ≥500 | 16-18 | - | 40-45 | - |
| Tubular billet + hot deformed Tubes (DH=57-465 mm) TU 14-3-460-2003. Normalization at 900-930 °C, air cooling | ||||||
| 20-25 | ≥295 | 490-640 | ≥16 | - | ≥40 | ≥490 |
| Sheet metal 25-140 mm. Normalization at 900-930 °C, air cooling + Vacation at 650-680 °C, air cooling (the average data) | ||||||
| - | ≥213 | - | - | - | - | - |
| Tubular billet + hot deformed Tubes (DH=57-465 mm) TU 14-3-460-2003. Normalization at 900-930 °C, air cooling | ||||||
| 20-25 | ≥295 | 490-640 | ≥18 | - | ≥45 | ≥590 |
| Sheet metal 25-140 mm. Normalization at 900-930 °C, air cooling + Vacation at 650-680 °C, air cooling (the average data) | ||||||
| - | ≥202 | - | - | - | - | - |
| Seamless pipes for steam boilers and pipelines according to TU 14-3P-55-2001. Normalization at 900-930 °C, air cooling | ||||||
| - | ≥294 | ≥490 | ≥16 | - | ≥40 | ≥490 |
| Sheet metal 25-140 mm. Normalization at 900-930 °C, air cooling + Vacation at 650-680 °C, air cooling (the average data) | ||||||
| - | ≥249 | - | - | - | - | - |
| Seamless pipes for steam boilers and pipelines according to TU 14-3P-55-2001. Normalization at 900-930 °C, air cooling | ||||||
| - | ≥294 | ≥490 | ≥18 | - | ≥45 | ≥590 |
| Sheet metal 25-140 mm. Normalization at 900-930 °C, air cooling + Vacation at 650-680 °C, air cooling (the average data) | ||||||
| - | ≥235 | - | - | - | - | - |
| Pipe seamless steel 15ГС-ø in delivery condition on the other 1301-039-00212179-2010. Normalization at 900-930 °C, air cooling (allowed after normalization the holidays at 630-670 °C) | ||||||
| - | ≥295 | 490-610 | ≥16 | - | ≥40 | ≥590 |
| Sheet metal 25-140 mm. Normalization at 900-930 °C, air cooling + Vacation at 650-680 °C, air cooling (the average data) | ||||||
| - | ≥196 | - | - | - | - | - |
| Pipe tsentrobezhnolityh, heat-treated on the other 108-874-2012 | ||||||
| - | ≥274 | 470-617 | - | ≥20 | ≥40 | ≥490 |
| Sheet metal 25-140 mm. Normalization at 900-930 °C, air cooling + Vacation at 650-680 °C, air cooling (the average data) | ||||||
| - | ≥190 | - | - | - | - | - |
| - | ≥178 | - | - | - | - | - |
| Seamless pipes for steam boilers and pipelines according to TU 14-3P-55-2001. Normalization at 900-930 °C, air cooling | ||||||
| - | ≥245 | - | - | - | - | - |
| - | ≥167 | - | - | - | - | - |
| - | ≥127 | - | - | - | - | - |
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 |
| d | Elongation after rupture |
| y | The relative narrowing |
| kJ/m2 | Toughness |
Technological properties
| Name | The value |
|---|---|
| Weldability | Without restrictions. |
| Propensity to temper brittleness | Tend not. |
| Flock-sensitive sensitivity | not sensitive. |
| Macrostructure and contamination | In the macrostructure of the pipe on the other 108-874-2012 should not be cracked, placenow and bundles. Allowed separate slag and sand inclusions, and a gas sink maximum linear size up to 1 mm. increased Local travelmasti metal 1-5 points scale rejection of the sign is not. Contamination of the metal pipes, non-metallic inclusions should not exceed the arithmetic mean score of the sulphides 2.5 points, according to the oxides - 3.5 points, silicates - 4 points scale. |
| Microstructure | On the other 108-874-2012 the size of ferritic grains should be no larger than 7 points according to GOST 5639. |
| Features of production | Pipe tsentrobezhnolityh on the other 108-874-2012 are delivered in heat treated condition. Tubes are homogenized and anti-flake annealing, the modes of which shall be agreed with TSNIITMASH. The mode of heat treatment: Normalization at 930-960 °C. be conducted after normalization, tempering at 630-670 °C. |
