| Grade : | 09G2S ( 09Г2С ) |
| Substitute: | 09Г2, 09Г2ДТ, 09Г2Т,10Г2С |
| Classification : | Structural steel for welding construct |
| Equivalent grades: | Go here |
Chemical composition in % for grade 09G2S ( 09Г2С )
| C | Si | Mn | Ni | S | P | Cr | V | N | Cu | As |
| max 0.12 | 0.5 - 0.8 | 1.3 - 1.7 | max 0.3 | max 0.035 | max 0.03 | max 0.3 | max 0.12 | max 0.008 | max 0.3 | max 0.08 |
Temperature of critical points for grade 09G2S ( 09Г2С ).
| Ac1 = 725 , Ac3(Acm) = 860 , Ar3(Arcm) = 780 , Ar1 = 625 |
Mechanical properties under Т=20oС for grade 09G2S ( 09Г2С )
| Assortment | Dimension | Direct. | sв | sT | d5 | y | KCU | Heat treatment |
| - | mm | - | MPa | MPa | % | % | kJ / m2 | - |
| Sheet, GOST 5520-79 | 430-490 | 265-345 | 21 | 590-640 | ||||
| Pipe, GOST 10705-80 | 490 | 343 | 20 | |||||
| Bars | to 250 | 430 | 265 | 21 |
Technological properties for grade 09G2S ( 09Г2С )
| Weldability: | without limitations. |
| Flakes : | not predisposed |
| Temper brittleness: | not predisposed |
Physical properties for grade 09G2S ( 09Г2С )
| T | E 10- 5 | a 10 6 | l | r | C | R 10 9 |
| Grade | MPa | 1/Grade | Watt/(m·Grade) | kg/m3 | J/(kg·Grade) | Ohm·m |
| 20 | ||||||
| 100 | 11.4 | |||||
| 200 | 12.2 | |||||
| 300 | 12.6 | |||||
| 400 | 13.2 | |||||
| 500 | 13.8 | |||||
| T | E 10- 5 | a 10 6 | l | r | C | R 10 9 |
Equivalent steels for grade 09G2S ( 09Г2С )
| Germany | Japan | China | Bulgaria | Hungary | Romania | |||||||
| DIN,WNr | JIS | GB | BDS | MSZ | STAS | |||||||
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Types of delivery of grade 09G2S ( 09Г2С )
| В22 - Graded and shaped rolling |
| B23 - Sheets and Strips |
| B33 - Sheets and Strips |
| В62 - Steel pipes and connecting parts to them |
Specification :
| Mechanical properties : | |
| sв | - Tensile strength , [MPa] |
| sT | - Yield stress, [MPa] |
| d5 | - Specific elongation at fracture , [ % ] |
| y | - Reduction of area , [ % ] |
| KCU | - Impact strength , [ kJ / m2] |
| HB | - Brinell hardness , [MPa] |
Physical properties : | |
| T | - Test temperature , [Grade] |
| E | - Young modulus , [MPa] |
| a | - Coefficient of linear expansion (range 20o - T ) , [1/Grade] |
| l | - Termal (heat) condition coefficient , [Watt/(m·Grade)] |
| r | - Density , [kg/m3] |
| C | - Specific heat ( range 20o - T ), [J/(kg·Grade)] |
| R | - Electrical resistance , [Ohm·m] |
Weldability : | |
| without limitations | - welding is done without heating and subsequent heat treeting |
| limited weldability | - welding is possible under heating up to 100-120 grade and subsequent heat treeting |
| hard weldability | - obtaining the quality welding needs the additional operations:heating up to 200-300 grade; the heat treeting ia annealing |
09G2S ( 09Г2С ) - Structural steel for welding construct: chemical composition, mechanical and physical properties, hardness
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