Steel grade:
with the chemical composition according to GOST 380-94, GOST 1050-88
Standard:
GOST 3262-75
Range
| Условный проход, мм Conditional pass, mm |
Наружный размер, мм Outer Dimension, mm |
Толщина стенки, мм Wall thickness, mm |
Масса 1 м труб, кг Weight of 1 meter of pipe, kg |
||||
| легких light |
обыкнов. common |
усилен. forced |
легких light |
обыкнов. common |
усилен. forced |
||
| 15 | 21,3 | 2,35-1,10 | 2,8 | 1,10 | 1,28 | ||
| 15 | 21,3 | 2,5-1,16 | 1,16 | ||||
| 20 | 26,8 | 2,35 | 1,42 | ||||
| 20 | 26,8 | 2,50 | 2,80 | 3,20 | 1,50 | 1,66 | 1,86 |
| 25 | 33,5 | 2,80 | 3,20 | 4,0 | 2,12 | 2,39 | 2,91 |
| 32 | 42,3 | 2,80 | 3,20 | 4,0 | 2,73 | 3,09 | 3,78 |
| 40 | 48,0 | 3,00 | 3,50 | 4,0 | 3,33 | 3,84 | 4,34 |
| 50 | 60,0 | 3,00 | 3,50 | 4,50 | 4,22 | 4,88 | 6,16 |
| 65 | 75,5 | 3,20 | 4,00 | 4,50 | 5,71 | 7,05 | 7,88 |
| 80 | 88,5 | 3,50 | 4,00 | 4,50 | 7,34 | 8,34 | 9,32 |
| 90 | 101,3 | 3,50 | 4,00 | 4,50 | 8,44 | 9,60 | 10,74 |
Mechanical properties
| Steel grade | The mechanical properties, no less | |||
| Yield strength δt N/mm2(kgf/mm2) | Tensile strength δB N/mm2 (kgf/mm2) | Relative elongation δ, % | Contraction ψ, % | |
| 08 | 196(20) | 320(33) | 33 | 60 |
| 10 | 205(21) | 330(34) | 31 | 55 |
| 15 | 225(23) | 370(38) | 27 | 55 |
| 20 | 245(25) | 410(42) | 25 | 55 |
| 25 | 275(28) | 450(46) | 23 | 50 |
| 30 | 295(30) | 490(50) | 21 | 50 |
| 35 | 315(32) | 530(54) | 20 | 45 |
| 40 | 335(34) | 570(58) | 19 | 45 |
| 45 | 355(36) | 600(61) | 16 | 40 |
| 50 | 375(38) | 630(64) | 14 | 40 |
| 55 | 380(39) | 650(66) | 13 | 35 |
| 58(55pp) | 315(32) | 600(61) | 12 | 38 |
| 60 | 400(41) | 680(69) | 12 | 35 |
Package
Welded tubes should be linked to the packages. Package weight must not be more than 10 tons.
