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stainless steel bar Characteristics for grade 40KH13 ( 40Х13 )
| Grade : | 40KH13 ( 40Х13 ) ( 4Х13 ) |
| Substitute: | 30Х13 |
| Classification : | Corrosion-resistant high-temperature steel |
| Equivalent grades: | X39Cr13 |
| C | Si | Mn | Ni | S | P | Cr |
| 0.35 - 0.44 | max 0.6 | max 0.6 | max 0.6 | max 0.025 | max 0.03 | 12 - 14 |
| Ac1 = 800 , Ar1 = 780 |
| Assortment | Dimension | Direct. | sв | sT | d5 | y | KCU | Heat treatment |
| - | mm | - | MPa | MPa | % | % | kJ / m2 | - |
| Sheet, GOST 5582-75 | 550 | 15 | Annealing 740 - 800oC, | |||||
| Bar, GOST 18907-73 | 590-810 | 10 | ||||||
| Wire, GOST 18143-72 | 640-880 | 10-14 |
| Brinell hardness for 40KH13 ( 40Х13 ) (quenching, tempering) , | HB 10 -1 = 460 - 550 MPa |
| Brinell hardness for 40KH13 ( 40Х13 ) (annealing) , Bar GOST 5949-75 | HB 10 -1 = 143 - 229 MPa |
| Weldability: | is not used. |
| 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 | 2.18 | 25 | 7650 | 461 | 590 | |
| 100 | 2.14 | 10.8 | 26 | 7630 | 482 | 650 |
| 200 | 2.06 | 11.9 | 27.2 | 7600 | 523 | 710 |
| 300 | 1.98 | 12.3 | 28.3 | 7570 | 565 | 790 |
| 400 | 1.88 | 13 | 29.1 | 7540 | 607 | 860 |
| 500 | 1.76 | 13.6 | 29.1 | 7510 | 674 | 940 |
| 600 | 1.63 | 13.5 | 29.1 | 7480 | 775 | 1000 |
| 700 | 1.48 | 13.8 | 28.3 | 7450 | 988 | 1120 |
| 800 | 1.4 | 14.6 | 27.9 | 7420 | 825 | 1180 |
| 900 | 28.5 | 691 | 1160 | |||
| T | E 10- 5 | a 10 6 | l | r | C | R 10 9 |
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| 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 |
40KH13 ( 40Х13 ) - Corrosion-resistant high-temperature 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