Steel 20ХГ2Ц
Description
Steel 20ХГ2Ц
Steel 20KhG2Ts: brand of steels and alloys. Below is a systematized information about the purpose, chemical composition, types of supplies, substitutes, temperature of critical points, physical, mechanical, technological and casting properties for the grade — Steel 20HG2Ts.
General information about steel 20HG2Ts
| Delivery type |
| long products, including shaped: GOST 5781−82, GOST 2590−71. |
| Application |
| for the manufacture of periodic profile reinforcement of class A-IV with a diameter of 10 to 32 mm. |
Chemical composition of steel 20HG2Ts
| Chemical element |
% |
| Silicon (Si) |
0.40−0.70 |
| Manganese (Mn) |
1.50−1.90 |
| Copper (Cu), no more |
0.30 |
| Nickel (Ni), no more |
0.30 |
| Sulfur (S), no more |
0.045 |
| Carbon (C) |
0.19−0.26 |
| Phosphorus (P), no more |
0.045 |
| Chromium (Cr) |
0.90−1.20 |
| Zirconium (Zr) |
0.05−0.14 |
Mechanical properties of steel 20HG2Ts
| Heat treatment, delivery condition |
Section, mm |
σ 0.2, MPa |
σ B, MPa |
δ 5 ,% |
| Reinforcing steel of IV class hot-rolled |
10−32 |
590 |
880 |
6 |
Mechanical properties depending on the tempering temperature
| vacation t, ° С |
σ 0.2, MPa |
σ B, MPa |
δ 5 ,% |
| Periodic profile No. 14. Quenching 950 ° C, water. |
| 300 |
1100 |
1240 |
8 |
| 400 |
1000 |
1130 |
nine |
| 500 |
800 |
890 |
thirteen |
| 600 |
650 |
750 |
17 |
Technological properties of steel 20ХГ2Ц
| Weldability |
| weldable without restrictions. |
Temperature of critical points of steel 20ХГ2Ц
| Critical point |
° C |
| Ac1 |
770 |
| Ac3 |
835 |
| Ar3 |
740 |
| Mn |
345 |
Impact strength of steel 20KhG2Ts
Impact strength, KCU, J / cm 2
| Delivery status, heat treatment |
+20 |
-20 |
-40 |
-60 |
| Periodic section No. 18, hot-rolled |
80−90 |
38−55 |
25−40 |
15−30 |
Physical properties of steel 20HG2Ts
| Test temperature, ° С |
20 |
100 |
200 |
300 |
400 |
500 |
600 |
700 |
800 |
900 |
| Test temperature, ° С |
20−100 |
20−200 |
20−300 |
20−400 |
20−500 |
20−600 |
20−700 |
20−800 |
20−900 |
20−1000 |
| Linear expansion coefficient (a, 10−6 1 / ° С) |
12.3 |
12.3 |
12.5 |
13.1 |
13.5 |
13.9 |
14.2 |
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