| Grade : | SHKH15SG ( ШХ15СГ ) |
| Substitute: | ХВГ, ШХ15, 9ХС, ХВСГ |
| Classification : | Bearing structural steel |
| Equivalent grades: | Go here |
Chemical composition in % for grade SHKH15SG ( ШХ15СГ )
| C | Si | Mn | Ni | S | P | Cr | Ti | Cu | O |
| 0.95 - 1.05 | 0.4 - 0.65 | 0.9 - 1.2 | max 0.3 | max 0.02 | max 0.027 | 1.3 - 1.65 | max 0.01 | max 0.25 | max 0.0015 |
Temperature of critical points for grade SHKH15SG ( ШХ15СГ ).
| Ac1 = 750 , Ac3(Acm) = 910 , Ar1 = 688 , Mn = 205 |
Mechanical properties under Т=20oС for grade SHKH15SG ( ШХ15СГ )
| Assortment | Dimension | Direct. | sв | sT | d5 | y | KCU | Heat treatment |
| - | mm | - | MPa | MPa | % | % | kJ / m2 | - |
| Steel | 590-730 | 370-410 | 20 | 45 | 440 | Annealing 790 - 810oC,Cooling oven, 15 oC/h, |
| Brinell hardness for SHKH15SG ( ШХ15СГ ) (hot-rolled) , Rolled stock GOST 801-78 | HB 10 -1 = 179 - 217 MPa |
Technological properties for grade SHKH15SG ( ШХ15СГ )
| Flakes : | predisposed |
| Temper brittleness: | predisposed |
Physical properties for grade SHKH15SG ( ШХ15СГ )
| 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 | 2.11 | 7650 | ||||
| 100 | ||||||
| 200 | 13.4 | |||||
| 300 | 13.6 | |||||
| T | E 10- 5 | a 10 6 | l | r | C | R 10 9 |
Equivalent steels for grade SHKH15SG ( ШХ15СГ )
| USA | Germany | Japan | France | England | European | Spain | China | Bulgaria | Hungary | Poland | Romania | Czechia | ||||||||||||||||||||||
| - | DIN,WNr | JIS | AFNOR | BS | EN | UNE | GB | BDS | MSZ | PN | STAS | CSN | ||||||||||||||||||||||
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Types of delivery of grade SHKH15SG ( ШХ15СГ )
| В22 - Graded and shaped rolling |
| B23 - Sheets and Strips |
| В32 - Graded and shaped rolling |
| 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 |
SHKH15SG ( ШХ15СГ ) - Bearing structural steel: chemical composition, mechanical and physical properties, hardness
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