Steel VSt6ps
Description
Steel ВСт6пс
Steel ВСт6пс: marochnik steels and alloys. Below the systematized information on the purpose, chemical composition, types of supplies, substitutes, temperature of critical points physical, mechanical, technological and casting properties of the brand — Steel ВСт6пс.
General information steel ВСт6пс
| Delivery type |
| Long products, including shapes: GOST 2590−71, 2591−71 GOST, GOST 2879−69, GOST 8509−86, GOST 8510−86, GOST 8239−72, 8240−72 GOST, GOST 380−71. Strip, GOST 103−76, GOST 535−79. |
| Application |
| For details high tensile strength: axes, shafts, fingers, pistons, etc. |
Chemical composition of steel ВСт6пс
| Chemical element |
% |
| Silicon (Si) |
0.05−0.17 |
| Manganese (Mn) |
0.50−0.80 |
| Copper (Cu), not more |
0.30 |
| Arsenic (As), not more |
0.08 |
| Nickel (Ni), not more |
0.30 |
| Sulfur (S), not more |
0.05 |
| Carbon (C) |
0.38−0.49 |
| Phosphorus (P), not more |
0.04 |
| Chromium (Cr), not more |
0.30 |
Mechanical properties of steel ВСт6пс
Mechanical properties
| Heat treatment, delivery condition |
Cross-section, mm |
σ0,2, MPa |
σB, MPa |
δ5, % |
| Hot-rolled steel |
<20 |
315 |
590 |
15 |
| Hot-rolled steel |
20−40 |
305 |
590 |
14 |
| Hot-rolled steel |
>40 |
295 |
590 |
12 |
Technological properties of steel ВСт6пс
| The temperature of forging |
| Beginning about 1250, the end 780. Cross-section up to 400 mm are cooled in air. |
| Weldability |
| Limited weldability; welding methods: SMAW, ADS submerged arc and gas protection electroslag welding. Recommended heating and subsequent heat treatment. The CCC without restriction. |
| Machinability |
| In hot-rolled state when HB 158 and σB = 640 MPa Kυ TV.SPL. = 1,2, Kυ b.St. = 1,2. |
| The tendency to the selling ability |
| Tend not. |
| Placeofpublication |
| Not sensitive. |
Temperature of critical points of steel ВСт6пс
| Critical point |
°C |
| Ac1 |
725 |
| Ac3 |
790 |
| Ar3 |
780 |
| Ar1 |
690 |
Endurance limit of steel ВСт6пс
The physical properties of steel ВСт6пс
| Test temperature,°C |
20 |
100 |
200 |
300 |
400 |
500 |
600 |
700 |
800 |
900 |
| The normal elasticity modulus, E, GPA |
197 |
197 |
186 |
175 |
168 |
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| Modulus of elasticity shear torsion G, GPA |
82 |
80 |
77 |
74 |
71 |
67 |
62 |
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