Steel 15G2AFDps
Description
Steel 15G2AFDps
Steel 15G2AFDps: 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 15G2AFDps.
General information about steel 15G2AFDps
| Substitute brand |
| steel: 18G2AFps, 16G2Af, 10HSND, 15SHND. |
| Delivery type |
| thick sheet GOST 19903−74, GOST 19282−73. Strip GOST 82−70. |
| Application |
| branch welded structures, including northern design. |
Chemical composition of 15G2AFDps steel
| Chemical element |
% |
| Nitrogen (N) |
0.015−0.30 |
| Vanadium (V) |
0.08−0.15 |
| Silicon (Si), no more |
0.17 |
| Manganese (Mn) |
1.2−1.6 |
| Copper (Cu) |
0.2−0.4 |
| Arsenic (As), no more |
0.08 |
| Nickel (Ni), no more |
0.30 |
| Sulfur (S), no more |
0.04 |
| Carbon (C) |
0.12−0.18 |
| Phosphorus (P), no more |
0.035 |
| Chromium (Cr), no more |
0.30 |
Mechanical properties of 15G2AFDps steel
| Heat treatment, delivery condition |
Section, mm |
σ 0.2, MPa |
σ B, MPa |
δ 5 ,% |
| Sheets and strips (cross samples) |
<32 |
390 |
540 |
19 |
Mechanical properties depending on sheet thickness
| Heat treatment, delivery condition |
σ 0.2, MPa |
σ B, MPa |
δ 5 ,% |
KCU, J / m 2 |
| Sheets. Normalization |
| Sheet thickness 12 mm |
510 |
620 |
28 |
115 |
| Sheet thickness 20 mm |
450 |
590 |
28 |
120 |
| Sheet thickness 40 mm |
410 |
530 |
32 |
128 |
| Sheets. Hardening 940 ° C. Vacation 650 ° C. |
| Sheet thickness 20 mm |
560 |
630 |
17 |
|
Impact toughness of 15G2AFDps steel
Impact strength, KCU, J / cm 2
| Delivery status, heat treatment |
-40 |
-70 |
| Sheets and strips (Cross samples) 5−10 mm thick |
44 |
34 |
| Sheets and strips (Cross samples) 10−32 mm thick |
39 |
29 |
Endurance limit of 15G2AFDps steel
| σ -1, MPa |
n |
σ B, MPa |
σ 0.2, MPa |
| 250 |
1E + 6 |
500 |
410 |
