Steel grade:
chemical composition according to GOST 380-94, GOST 14637-89, GOST 1050-88.
Standard:
GOST 10704-91, 10705-80
Range
Толщина стенки, мм |
2,0 | 2,2 | 2,5 | 2,8 | 3,0 | 3,2 | 3,5 | 3,8 | 4,0 | 4,5 | 5,0 |
Наружный размер, мм | Масса 1 м труб, кг | ||||||||||
20 | 0,888 | ||||||||||
25 | 1,13 | 1,24 | 1,39 | ||||||||
27 | 1,23 | 1,35 | 1,51 | ||||||||
32 | 1,48 | 1,62 | 1,82 | 2,02 | 2,15 | ||||||
33,7 | 1,56 | 1,71 | 1,92 | 2,13 | 2,27 | ||||||
38 | 1,78 | 1,94 | 2,19 | 2,43 | 2,59 | ||||||
40 | 1,87 | 2,05 | 2,31 | 2,57 | 2,74 | ||||||
42 | 1,97 | 2,16 | 2,44 | 2,71 | 2,89 | ||||||
45 | 2,12 | 2,32 | 2,62 | 2,91 | 3,11 | ||||||
48 | 2,27 | 2,48 | 2,81 | 3,12 | 3,33 | 3,54 | 3,84 | ||||
51 | 2,42 | 2,65 | 2,99 | 3,33 | 3,55 | 3,77 | 4,10 | ||||
57 | 2,71 | 2,97 | 3,36 | 3,74 | 4,00 | 4,25 | 4,62 | ||||
60 | 2,86 | 3,14 | 3,55 | 3,95 | 4,22 | 4,48 | 4,88 | 5,27 | |||
76 | 3,65 | 4,00 | 4,53 | 5,05 | 5,40 | 5,75 | 6,26 | 6,36 | 7,10 | 7,93 | 8,75 |
89 | 5,33 | 5,95 | 6,36 | 6,77 | 7,38 | 7,98 | 8,38 | 9,38 | 10,36 | ||
102 | 6,85 | 7,32 | 7,80 | 8,50 | 9,20 | 9,67 | 10,82 | 11,96 |
Mechanical properties
Steel grade | Tensile strength δB N/mm2 (kgf/mm2) | Yield strength δt N/mm2(kgf/mm2) | Relative elongation δ, % |
no less | |||
08U | 255(26 | 174(18) | 30 |
08kp | 294(30 | 174(18) | 27 |
08, 08ps, 10kp | 314(32) | 196(20) | 25 |
10, 10ps, 15kp, St2sp, St2ps, St2kp | 333(34 | 206(21) | 24 |
15, 15ps, 20kp, St3sp, St3ps, St3kp | 372(38 | 225(23) | 22 |
20, 20ps, St4sp, St4ps, St4kp | 412(42 | 245(25) | 21 |
20F, 20-KSH, 06GB | 470 (48) | 294 (30,0) | 20,0 |
09G2S, 09GSF, 13HFA, 17GS, 17G1S, 17G1S-U, 08HMFCHA, 22GF, 26HMA | 490 (50 | 343 (35,0) | 20,0 |
Note.
Upon request of the pipe with a wall thickness of 4 mm or more of steel grades St3ps, 15, 15ps are produced with a yield of 235 H / mm (24 kgf / mm2), elongation of 23%; of steel grades St4sp, 20, 20ps - a yield point of 255 H / mm2 (26 kgf / mm2), elongation of 22%.
Package
Welded tubes should be linked to the packages. Package weight must not be more than 10 tons.