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TU 14-3-796-79 Seamless Stainless Steel Pipes for Boilers
Outside Diameter: 10 - 60 mm
Wall Thickness: 2 - 7 mm (step 0,5 mm)
Notes:
- Steel grade 12Cr18Ni12Ti.
- Pipes are intended for steam boilers and turbogenerators with ultrahigh steam characteristics.
- Pipes pass 100% non-destructive test.
- Length up to 12 m (subject to agreement).
| Sizes |
| OD, mm |
WT, mm |
OD, mm |
WT, mm |
OD, mm |
WT, mm |
| 10 |
2; 2,5 |
25; 28 |
2,5 - 5 |
40; 42 |
3 - 7 |
| 12; 16 |
2; 2,5; 3 |
30 |
3 - 5,5 |
45; 48; 50; 53 |
3 - 5 |
| 20; 22 |
2,5 - 4 |
32; 36; 38 |
3 - 7 |
56; 57; 60 |
3 - 5 |
| Mechanical properties |
| Steel Grade |
Tensile Strength, N/mm2 (min) |
Yield Strength, N/mm2 (min) |
Elongation, % (min) |
| 12Cr18Ni12Ti |
539 - 686 |
215 - 392 |
35 |
| Chemical Composition(%, max) |
| C |
Si |
Mn |
Cr |
Ni |
S |
P |
Cu |
Ti |
| 0,12 |
0,80 |
1 - 2 |
17 - 19 |
11 - 13 |
0,02 |
0,03 |
0,3 |
(C-0,02)*5 - 0,7 |
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