| Grade : | 10kp ( 10кп ) |
| Substitute: | 08кп, 15кп, 10 |
| Classification : | High quality structural carbon steel |
| Equivalent grades: | Go here |
Chemical composition in % for grade 10kp ( 10кп )
| C | Si | Mn | Ni | S | P | Cr | Cu | As |
| 0.07 - 0.14 | max 0.07 | 0.25 - 0.5 | max 0.3 | max 0.04 | max 0.035 | max 0.15 | max 0.3 | max 0.08 |
Temperature of critical points for grade 10kp ( 10кп ).
| Ac1 = 732 , Ac3(Acm) = 870 , Ar3(Arcm) = 854 , Ar1 = 680 |
Mechanical properties under Т=20oС for grade 10kp ( 10кп )
| Assortment | Dimension | Direct. | sв | sT | d5 | y | KCU | Heat treatment |
| - | mm | - | MPa | MPa | % | % | kJ / m2 | - |
| Sheet heat-treatment, GOST 4041-71 | 4 - 14 | 270-410 | 32 | |||||
| Pipe, GOST 10705-80 | 314 | 196 | 25 | |||||
| Steel cold-drawn , GOST 10702-78 | 372 | 8 | 55 | |||||
| Strip, GOST 1577-93 | 6 - 60 | 310 | 185 | 33 | 55 | Normalizing |
| Brinell hardness for 10kp ( 10кп ) (cold-drawn, cold-worked) , GOST 10702-78 | HB 10 -1 = 179 MPa |
| Brinell hardness for 10kp ( 10кп ) , Sheet GOST 4041-71 | HB 10 -1 = 114 MPa |
| Brinell hardness for 10kp ( 10кп ) (annealing) , Sheet trick GOST 1577-93 | HB 10 -1 = 137 MPa |
Technological properties for grade 10kp ( 10кп )
| Weldability: | without limitations. |
| Flakes : | not predisposed |
| Temper brittleness: | not predisposed |
Physical properties for grade 10kp ( 10кп )
| 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 | 1.86 | 7856 | ||||
| 100 | 12.4 | 58 | 7832 | 466 | 190 | |
| 200 | 13.2 | 54 | 7800 | 479 | 263 | |
| 300 | 13.9 | 49 | 7765 | 352 | ||
| 400 | 14.5 | 45 | 7730 | 512 | 458 | |
| 500 | 14.9 | 40 | 7692 | 584 | ||
| 600 | 15.1 | 36 | 7653 | 567 | 734 | |
| 700 | 15.3 | 32 | 7613 | 905 | ||
| 800 | 12.1 | 29 | 7582 | 1081 | ||
| 900 | 14.8 | 27 | 7594 | 1130 | ||
| 1000 | 12.6 | |||||
| T | E 10- 5 | a 10 6 | l | r | C | R 10 9 |
Equivalent steels for grade 10kp ( 10кп )
| USA | Germany | Japan | France | England | Italy | Spain | China | Czechia | ||||||||||||||||||||||||||
| - | DIN,WNr | JIS | AFNOR | BS | UNI | UNE | GB | CSN | ||||||||||||||||||||||||||
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Types of delivery of grade 10kp ( 10кп )
| В22 - Graded and shaped rolling |
| B23 - Sheets and Strips |
| B24 - Ribbons |
| В32 - Graded and shaped rolling |
| B33 - Sheets and Strips |
| B34 - Ribbons |
| В62 - Steel pipes and connecting parts to them |
| B70 - Classification, nomenclature and general norms |
| 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] |
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 |
10kp ( 10кп ) - High 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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