| Grade : | 16GS ( 16ГС ) |
| Substitute: | 17ГС, 15ГС, 20Г2С, 20ГС, 18Г2С |
| Classification : | Structural steel for welding construct |
| Equivalent grades: | Go here |
Chemical composition in % for grade 16GS ( 16ГС )
| C | Si | Mn | Ni | S | P | Cr | V | N | Cu | As |
| 0.12 - 0.18 | 0.4 - 0.7 | 0.9 - 1.2 | max 0.3 | max 0.035 | max 0.03 | max 0.3 | max 0.12 | max 0.008 | max 0.3 | max 0.08 |
Temperature of critical points for grade 16GS ( 16ГС ).
| Ac1 = 736 - 745 , Ac3(Acm) = 920 - 927 , Ar3(Arcm) = 791 - 820 , Ar1 = 641 - 735 |
Mechanical properties under Т=20oС for grade 16GS ( 16ГС )
| Assortment | Dimension | Direct. | sв | sT | d5 | y | KCU | Heat treatment |
| - | mm | - | MPa | MPa | % | % | kJ / m2 | - |
| Sheet, GOST 5520-79 | 450-490 | 275-325 | 21 | 590 | ||||
| Pipe hotrolled | Ø 325 x 30 | tangent | 480 | 280 | 28 | 57 | 1000 | |
| Pipe hotrolled | Ø 325 x 30 | longitudinal | 480 | 260 | 27 | 65 | 1200 |
Technological properties for grade 16GS ( 16ГС )
| Weldability: | without limitations. |
| Flakes : | not predisposed |
| Temper brittleness: | not predisposed |
Physical properties for grade 16GS ( 16ГС )
| 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 | 7850 | |||||
| 100 | 13 | 470 | ||||
| 200 | 14 | |||||
| 300 | 1.81 | 15.3 | ||||
| 400 | 1.72 | 16.2 | ||||
| 500 | 1.62 | 16.1 | ||||
| 600 | 16.2 | |||||
| T | E 10- 5 | a 10 6 | l | r | C | R 10 9 |
Equivalent steels for grade 16GS ( 16ГС )
| USA | Germany | Japan | France | England | European | Italy | Bulgaria | Poland | Romania | Czechia | Inter | |||||||||||||||||
| - | DIN,WNr | JIS | AFNOR | BS | EN | UNI | BDS | PN | STAS | CSN | ISO | |||||||||||||||||
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Types of delivery of grade 16GS ( 16ГС )
| B03 - Metal forming treatment. Forgings |
| В22 - Graded and shaped rolling |
| B23 - Sheets and Strips |
| B33 - Sheets and Strips |
| 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 |
16GS ( 16ГС ) - Structural steel for welding construct: chemical composition, mechanical and physical properties, hardness
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