| GOST 8732-78 hot-deformed seamless steel pipes |
| Diameter x wall thickness |
Brand of steel |
| 25×3; 3.5; 4; 4.5 |
20 |
| 27x 3.2 |
20 |
| 28×3; 4; 6 |
20 |
| 32×3; 4; 5; 6 |
20/15x |
| 33x 8 st 9X1 |
9×1 |
| 34х4 |
20 |
| 38×3; 4 |
20 |
| 42x 4 |
20 |
| 45×10 |
20 |
| 47x 3 |
20 |
| 48х 3.5 |
20 |
| 50х 3; 4; 6; 8; 12 |
20 |
| 51×5; 10 |
20 |
| 53×12 |
20 |
| 57×3; 3.5; 4; 5; 5.5; 6; 8; 10; 12; 14 |
20 |
| 60x 3.2; 3.5; 4; 5; 5.5; 6; 8; 10; 12; 14; 16 |
10/20/09Г2С/17Г1С |
| 60.3х 3.5; 4 |
20 |
| 63x 4 |
20 |
| 63.5х 4; 5; 6; 9; 9.5; 12.5 |
10/20/35 |
| 68х 4; 5; 6; 8; 10; 12; 13; 14 |
20 |
| 70×4; 4.5; 5; 6; 10; 11; 11.5; 16 |
10/20/35/45 |
| 73×4; 4.5; 5; 5.5; 6; 8; 10; 12; 14; 16 |
20/35/45 |
| 75х 4 |
20 |
| 76х 3.5; 4; 4.5; 5; 5.5; 6; 7; 8; 10; 12; 14; 16;20 |
10/20/35 |
| 83×4; 5; 6; 8; 10; 12; 14; 16; 18; 22 |
20/35/17Г1С |