| Grade : | 35L ( 35Л ) |
| Substitute: | 30Л, 40Л, 45Л |
| Classification : | Non-alloy casting steel |
| Equivalent grades: | Go here |
Chemical composition in % for grade 35L ( 35Л )
| C | Si | Mn | S | P |
| 0.32 - 0.4 | 0.2 - 0.52 | 0.45 - 0.9 | max 0.06 | max 0.06 |
Temperature of critical points for grade 35L ( 35Л ).
| Ac1 = 730 , Ac3(Acm) = 802 , Ar3(Arcm) = 795 , Ar1 = 691 |
Mechanical properties under Т=20oС for grade 35L ( 35Л )
| Assortment | Dimension | Direct. | sв | sT | d5 | y | KCU | Heat treatment |
| - | mm | - | MPa | MPa | % | % | kJ / m2 | - |
| Casting, GOST 977-88 | to 100 | 491 | 275 | 15 | 25 | 343 | Normalizing 860 - 880oC,Drawing 600 - 630oC, | |
| Casting, GOST 977-88 | 540 | 343 | 16 | 20 | 294 |
| Brinell hardness for 35L ( 35Л ) , | HB 10 -1 = 137 - 229 MPa |
Technological properties for grade 35L ( 35Л )
| Weldability: | limited weldability. |
| Flakes : | not predisposed |
| Temper brittleness: | not predisposed |
Technological properties of the material 35L ( 35Л ) .
| Linear shrinkage : | 2.2 - 2.3 % |
Heat treatment of the material 35L ( 35Л )
| Normalizing 860 - 880 ° C, Tempering 600 - 630 ° C |
| Hardening 860 - 880 ° C, Tempering 600 - 630 ° C |
Physical properties for grade 35L ( 35Л )
| 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 | 2.12 | 53 | 7830 | 172 | ||
| 100 | 2.06 | 11.1 | 51 | 470 | 223 | |
| 200 | 2.01 | 12 | 49 | 491 | 301 | |
| 300 | 1.92 | 12.9 | 45 | 512 | 394 | |
| 400 | 1.76 | 13.5 | 42 | 533 | 497 | |
| 500 | 1.63 | 13.9 | 39 | 554 | 623 | |
| 600 | 1.51 | 14.5 | 35 | 580 | 771 | |
| 700 | 1.31 | 14.8 | 31 | 613 | 935 | |
| 800 | 1.18 | 11.9 | 27 | 710 | 1115 | |
| 900 | 12.5 | 27 | 701 | 1154 | ||
| T | E 10- 5 | a 10 6 | l | r | C | R 10 9 |
Equivalent steels for grade 35L ( 35Л )
| USA | Germany | Japan | France | England | China | Bulgaria | Hungary | Poland | Romania | Czechia | Finland | Norway | ||||||||||||||||||||||||
| - | DIN,WNr | JIS | AFNOR | BS | GB | BDS | MSZ | PN | STAS | CSN | SFS | NS | ||||||||||||||||||||||||
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Types of delivery of grade 35L ( 35Л )
| B42 - Rails: Pads, Pads, Crutches |
| B82 - Steel Castings |
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 |
35L ( 35Л ) - Non-alloy casting steel: chemical composition, mechanical and physical properties, hardness
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