Steel VSt2ps
Description
Steel VSt2ps
Steel VSt2ps: a brand of steels and alloys. Below is a systematized information on the purpose, chemical composition, types of supplies, substitutes, temperature of critical points, physical, mechanical, technological and casting properties for the grade — Steel VSt2ps.
General information about steel VSt2ps
| Substitute brand |
| Steel VSt2sp |
| Delivery type |
| Long products, including shaped: GOST 2590−71, GOST 2591−71, GOST 19772−74, GOST 19771−74, GOST 8278−83, GOST 8281−80, GOST 8283−77, GOST 380−71, GOST 8509 -86, GOST 8510−86, GOST 8240−72, GOST 8239−72, GOST 535−79, GOST 2879−69. Thin sheet GOST 19903−74. Tape GOST 503−81, GOST 6009−74. Strip GOST 103−76, GOST 82−70, GOST 535−79. Wire GOST 3282−74. Pipes: GOST 10705−80, GOST 10706−76. Thick sheet GOST 19903−74. |
| Application |
| Irresponsible parts requiring increased ductility or deep drawing, lightly loaded elements of welded structures operating under constant loads and positive temperatures. |
Chemical composition of steel VSt2ps
| Chemical element |
% |
| Silicon (Si) |
0.05−0.17 |
| Manganese (Mn) |
0.25−0.50 |
| Copper (Cu), no more |
0.30 |
| Arsenic (As), no more |
0.08 |
| Nickel (Ni), no more |
0.30 |
| Sulfur (S), no more |
0.05 |
| Carbon (C) |
0.09−0.15 |
| Phosphorus (P), no more |
0.04 |
| Chromium (Cr), no more |
0.30 |
Mechanical properties of steel VSt2ps
Mechanical properties
| Heat treatment, delivery condition |
Section, mm |
σ 0.2, MPa |
σ B, MPa |
δ 5 ,% |
δ 4 ,% |
| Hot rolled products |
<20 |
225 |
330−430 |
32 |
|
| Hot rolled products |
20−40 |
215 |
330−430 |
31 |
|
| Hot rolled products |
40−100 |
205 |
330−430 |
29 |
|
| Hot rolled products |
> 100 |
195 |
330−430 |
29 |
|
| Hot rolled sheets |
<2.0 |
|
330−430 |
|
21 |
| Hot rolled sheets |
2.0−3.9 |
|
330−430 |
|
23 |
| Cold rolled sheets |
> 2.0 |
|
330−430 |
|
24 |
| Cold rolled sheets |
2.0−3.9 |
|
330−430 |
|
26 |
Mechanical properties of rolled products at elevated temperatures
| test t, ° C |
σ 0.2, MPa |
σ B, MPa |
δ,% |
ψ,% |
KCU, J / m 2 |
| 20 |
230 |
395 |
33 |
69 |
104 |
| 100 |
210 |
370 |
|
|
126 |
| 300 |
145 |
|
|
|
120 |
| 400 |
125 |
350 |
|
71 |
89 |
| 500 |
105 |
210 |
|
75 |
86 |
| 600 |
55 |
140 |
42 |
87 |
80 |
Technological properties of steel VSt2ps
| Forging temperature |
| Beginning 1300, end 750. Air cooling. |
| Weldability |
| Can be welded without restrictions; welding methods: RDS, ADS submerged arc and gas shielded, EShS, KTS. For thicknesses over 36 mm, preheating and subsequent heat treatment are recommended. |
| Machinability by cutting |
| In hot-rolled condition at HB 137 K υ tv.spl. = 2.0 and K υ b.st. = 1.6 |
| Tendency to release ability |
| Not inclined |
| Flock sensitivity |
| Not sensitive |
Temperature of critical points of steel VSt2ps
| Critical point |
° C |
| Ac1 |
735 |
| Ac3 |
854 |
| Ar3 |
835 |
| Ar1 |
682 |
Impact strength of steel VSt2ps
Impact strength, KCU, J / cm 2
| Delivery status, heat treatment |
+20 |
0 |
-20 |
-40 |
| Hot rolled bar with a diameter up to 150 mm |
24−64 |
13−16 |
8 |
8 |
Endurance limit of steel VSt2ps
| σ -1, MPa |
σ B, MPa |
| 175−205 |
330−430 |
Physical properties of steel VSt2ps
| Test temperature, ° С |
20 |
100 |
200 |
300 |
400 |
500 |
600 |
700 |
800 |
900 |
| Normal elastic modulus, E, GPa |
198 |
183 |
175 |
167 |
158 |
|
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