Questions & Answers
Steel grades of steel plugs
Heat-resistant steels: 20KhM, 15KhM, 12KhM, 15Kh5M, 12Kh1MF.
Structural alloy steels: 30KhGSA, 40KhN, 35KhM, 40Kh, 30Kh, 20Kh.
Low-alloy steels: 17G1S-U, 17G1S, 16GS, 15GS, 10G2, 09G2S.
Carbon steels: 25, 20, St3sp, St3ps, 15, 10.
Steel plug standards
GOST standards:
GOST 12820-80;
GOST 12836-67;
GOST 17380-2001;
GOST 17379-2001.
International standards:
ISO 5251;
ISO 3419.
European standards:
DIN 28011;
DIN 2617;
EN 10253-4;
EN 10253.
Table of weights of steel plugs
| Dу (DN) | Outer diameter, mm | Weight, kg |
| 15 | 21,3 | 0,1 |
| 20 | 26,8 | 0,15 |
| 25 | 33,5 | 0,25 |
| 32 | 42,3 | 0,45 |
| 40 | 48,3 | 0,6 |
| 50 | 60,3 | 0,9 |
| 65 | 76,1 | 1,4 |
| 80 | 88,9 | 2,0 |
| 100 | 114,3 | 3,2 |
| 125 | 139,7 | 4,8 |
| 150 | 168,3 | 7,0 |
| 200 | 219,1 | 12 |
| 250 | 273 | 18 |
| 300 | 323,9 | 26 |
| 350 | 355,6 | 36 |
| 400 | 406,4 | 50 |
| 450 | 457 | 65 |
| 500 | 508 | 85 |
| 600 | 610 | 130 |