| Grade : | VSt2sp ( ВСт2сп ) |
| Substitute: | ВСт2пс |
| Classification : | Normal quality structural carbon steel |
| Equivalent grades: | Is absent |
Chemical composition in % for grade VSt2sp ( ВСт2сп )
| C | Si | Mn | Ni | S | P | Cr | Cu | As |
| 0.09 - 0.15 | 0.12 - 0.3 | 0.25 - 0.5 | max 0.3 | max 0.05 | max 0.04 | max 0.3 | max 0.3 | max 0.08 |
Temperature of critical points for grade VSt2sp ( ВСт2сп ).
| Ac1 = 735 , Ac3(Acm) = 854 , Ar3(Arcm) = 835 , Ar1 = 682 |
Mechanical properties under Т=20oС for grade VSt2sp ( ВСт2сп )
| Assortment | Dimension | Direct. | sв | sT | d5 | y | KCU | Heat treatment |
| - | mm | - | MPa | MPa | % | % | kJ / m2 | - |
| Rolled stock hotrolled | to 20 | 330-430 | 225 | 32 |
Physical properties for grade VSt2sp ( ВСт2сп )
| 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 | 1.98 | 7850 | ||||
| 100 | 1.83 | |||||
| 200 | 1.75 | |||||
| 300 | 1.67 | |||||
| 400 | 1.58 | |||||
| T | E 10- 5 | a 10 6 | l | r | C | R 10 9 |
Types of delivery of grade VSt2sp ( ВСт2сп )
| В20 - Classification, nomenclature and general norms |
| В22 - Graded and shaped rolling |
| B23 - Sheets and Strips |
| B34 - Ribbons |
| В62 - Steel pipes and connecting parts to them |
| В71 - Low-carbon steel wire |
| В72 - Medium-high and high-carbon steel wire |
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] |
VSt2sp ( ВСт2сп ) - Normal quality structural carbon steel: chemical composition, mechanical and physical properties, hardness
Database of steels and alloys (Marochnik) contains information about chemical composition and properties more then 3000 steels and alloys
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