| Grade : | 35 ( 35 ) |
| Substitute: | 30, 40, 35г |
| Classification : | High quality structural carbon steel |
| Equivalent grades: | Go here |
Chemical composition in % for grade 35 ( 35 )
| C | Si | Mn | Ni | S | P | Cr | Cu | As |
| 0.32 - 0.4 | 0.17 - 0.37 | 0.5 - 0.8 | max 0.3 | max 0.04 | max 0.035 | max 0.25 | max 0.3 | max 0.08 |
Temperature of critical points for grade 35 ( 35 ).
| Ac1 = 730 , Ac3(Acm) = 810 , Ar3(Arcm) = 796 , Ar1 = 680 , Mn = 360 |
Mechanical properties under Т=20oС for grade 35 ( 35 )
| Assortment | Dimension | Direct. | sв | sT | d5 | y | KCU | Heat treatment |
| - | mm | - | MPa | MPa | % | % | kJ / m2 | - |
| Sheet heat-treatment, GOST 4041-71 | 4 - 14 | 480-640 | 22 | |||||
| Pipe, GOST 8731-87 | 510 | 294 | 17 | |||||
| Bar cold-drawn , GOST 10702-78 | 590 | 45 | Annealing | |||||
| Rolled stock, GOST 1050-88 | to 80 | 530 | 315 | 20 | 45 | Normalizing | ||
| Rolled stock cold-worked , GOST 1050-88 | 590 | 6 | 35 | |||||
| Rolled stock annealed , GOST 1050-88 | 470 | 15 | 45 | |||||
| Band annealed , GOST 2284-79 | 390-640 | 16 | ||||||
| Band cold-worked , GOST 2284-79 | 640-930 |
| Brinell hardness for 35 ( 35 ) , Sheet GOST 4041-71 | HB 10 -1 = 163 MPa |
| Brinell hardness for 35 ( 35 ) , Pipe GOST 8731-87 | HB 10 -1 = 187 MPa |
| Brinell hardness for 35 ( 35 ) , Rolled stock GOST 1050-88 | HB 10 -1 = 207 MPa |
| Brinell hardness for 35 ( 35 ) , Rolled stock GOST 1050-88 | HB 10 -1 = 229 MPa |
| Brinell hardness for 35 ( 35 ) , Rolled stock GOST 1050-88 | HB 10 -1 = 187 MPa |
Technological properties for grade 35 ( 35 )
| Weldability: | limited weldability. |
| Flakes : | not predisposed |
| Temper brittleness: | not predisposed |
Physical properties for grade 35 ( 35 )
| 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 | 2.06 | 7826 | ||||
| 100 | 1.97 | 12 | 49 | 7804 | 469 | 251 |
| 200 | 1.87 | 12.9 | 49 | 7771 | 490 | 321 |
| 300 | 1.56 | 13.6 | 47 | 7737 | 511 | 408 |
| 400 | 1.68 | 14.2 | 44 | 7700 | 532 | 511 |
| 500 | 14.6 | 41 | 7662 | 553 | 629 | |
| 600 | 15 | 38 | 7623 | 578 | 759 | |
| 700 | 15.2 | 35 | 7583 | 611 | 922 | |
| 800 | 12.7 | 29 | 7600 | 708 | 1112 | |
| 900 | 13.9 | 28 | 7549 | 699 | 1156 | |
| T | E 10- 5 | a 10 6 | l | r | C | R 10 9 |
Equivalent steels for grade 35 ( 35 )
| USA | Germany | Japan | France | England | European | Italy | Belgium | Spain | China | Sweden | Bulgaria | Hungary | Poland | Romania | Czechia | Austria | Australia | Switzerland | South Korea | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| - | DIN,WNr | JIS | AFNOR | BS | EN | UNI | NBN | UNE | GB | SS | BDS | MSZ | PN | STAS | CSN | ONORM | AS | SNV | KS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Types of delivery of grade 35 ( 35 )
| B03 - Metal forming treatment. Forgings |
| 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 |
| 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 |
35 ( 35 ) - 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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