Steel 17G1S
Description
Steel 17G1S
Steel 17G1S: a brand of steels and alloys. Below is the 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 17G1S.
General information about steel 17G1S
| Substitute brand |
| steel 17gs |
| Delivery type |
| Pipe 17g1s, sheet 17g1s thick GOST 19282−73, GOST 19903−74, GOST 5520−79. Strip GOST 82−70. |
| Application |
| welded parts working under pressure at temperatures from -40 to + 475 ° C. |
Chemical composition of steel 17G1S
| Chemical element |
% |
| Nitrogen (N), no more |
0.008 |
| Silicon (Si) |
0.4−0.6 |
| Manganese (Mn) |
1.15−1.6 |
| Copper (Cu), no more |
0.30 |
| Arsenic (As), no more |
0.08 |
| Nickel (Ni), no more |
0.30 |
| Sulfur (S), no more |
0.040 |
| Carbon (C) |
0.15−0.20 |
| Phosphorus (P), no more |
0.035 |
| Chromium (Cr), no more |
0.30 |
Mechanical properties of steel 17G1S
| Heat treatment, delivery condition |
Section, mm |
σ 0.2, MPa |
σ B, MPa |
δ 5 ,% |
KCU, J / m 2 |
| Sheets and strips (cross samples) |
<10 |
335 |
510 |
23 |
|
| Sheets and strips (cross samples) |
10−20 |
345 |
510 |
23 |
|
| Hot-rolled sheets 2−6, 10−12, 16.18 (cross samples) |
4−20 |
295 |
510−630 |
22 |
49 |
Technological properties of steel 17G1S
| Weldability |
| weldable without restrictions. |
Impact strength of steel 17G1S
Impact strength, KCU, J / cm 2
| Delivery status, heat treatment |
+20 |
-20 |
-40 |
-60 |
| Hot-rolled pipe, b0.2 = 320 MPa, bw = 530 MPa |
73 |
52 |
48 |
37 |
| Pipe, quenching, high tempering, b0.2 = 475 MPa, bw = 670 MPa |
78 |
71 |
64 |
53 |
Yield strength of 17G1S steel
| Test temperature, ° C / s 0.2 |
| 200 |
250 |
300 |
350 |
400 |
450 |
| 265 |
245 |
225 |
205 |
175 |
175 |
