GOST 9941-81. Trubi besweldednie holodno- i teplodeformirovannie iz korrozionnostoykoy stali
Narugniy diametr: 5 - 95 mm (do 25 mm - shag 1 mm; dalee: 27; 28; 30; 32; 34; 35; 36; 38; 40; 42; 45; 48; 50; 51; 53; 54; 56; 57; 60; 63; 65; 68; 70; 73; 75; 76; 80; 83; 85; 89; 90; 95)
Tolshchina stenki: 0.2 - 8.5 mm (0.2; 0.3; 0.4; 0.5; 0.6; 0.8; 1; 1.2; 1.4; 1.5; 1.8; 2; 2.2; 2.5; 2.8; 3; 3.5; 4; 4.5; 5; 5.5; 6; 6.5; 7; 7.5; 8; 8.5)
Marki stali - 04H18N10, 08H20N14S2, 10H17N13M2T, 08H18N12T, 12H18N12T, 08H18N10, 08H18N10T, 12H18N9, 12H18N10T, 10H23N18.
Ispolneniya: obichnoy tochnosti, povishennoy tochnosti i visokoy tochnosti (otlichayutsya predelnimi otkloneniyami diametra i stenki)
| Diametr, mm |
Stenka, mm |
Diametr, mm |
Stenka, mm |
Diametr, mm |
Stenka, mm |
| 5 |
0.2 - 1 |
25 - 28 |
0.3 - 4.5 |
60 |
0.5 - 8.5 |
| 6 - 7 |
0.2 - 1.5 |
30 - 35 |
0.3 - 5.5 |
63 - 75 |
1.5 - 8.5 |
| 8 - 9 |
0.2 - 2 |
36 |
0.4 - 5.5 |
76 - 85 |
3 - 8.5 |
| 10 - 13 |
0.2 - 2.5 |
38 - 45 |
0.4 - 6 |
89 - 90 |
4 - 8.5 |
| 14 - 17 |
0.2 - 3 |
48 - 50 |
0.4 - 7.5 |
95 |
4 - 5 |
| 18 - 19 |
0.2 - 3.5 |
51 - 56 |
0.5 - 7.5 |
- |
- |
| 20 |
0.2 - 4 |
57 |
0.5 - 8 |
- |
- |
| 21 - 24 |
0.3 - 4 |
- |
- |
- |
- |
Po dline trubi dolgni izgotovlyatsya:
- mernoy dlini do 7 m, svishe 7 m - po dopolnitelnomu soglasovaniyu;
- nemernoy dlini ot 0.75 do 12.5 m.
