
Questions & Answers
Stainless steel grades for flat oval pipes
Stainless steel flat oval pipes are made from the following steel grades: 12X13, 08X13, 03X17N14M3, 10X17N13M2T, 08X18N10T, 12X18N10T, 08X18N10.
Stainless steel flat oval pipe standards
International standards:
ISO 1127 - Pipe masses, tolerances, and dimensions;
EN 10217-7 - Welded pipes for pressure purposes;
EN 10296-2 - Welded pipes for structural use.
GOST standards:
GOST 6032-2017 - Corrosion testing;
GOST 14192-96 - Product transportation and labeling;
GOST 5632-2014 - Stainless steel grades;
GOST 9941-81 - Cold-formed stainless steel pipes;
GOST 11068-81 - Electric-welded pipes made of corrosion-resistant steel.
Table of weights of stainless steel flat oval pipes
| Pipe size (outer), mm | Wall thickness, mm | Weight of 1 m, kg |
| 30×15 | 1,0 | 0,67 |
| 30×15 | 1,5 | 0,96 |
| 30×15 | 2,0 | 1,23 |
| 40×20 | 1,0 | 0,92 |
| 40×20 | 1,5 | 1,34 |
| 40×20 | 2,0 | 1,73 |
| 50×25 | 1,0 | 1,16 |
| 50×25 | 1,5 | 1,7 |
| 50×25 | 2,0 | 2,2 |
| 60×30 | 1,0 | 1,4 |
| 60×30 | 1,5 | 2,05 |
| 60×30 | 2,0 | 2,65 |
| 70×40 | 1,0 | 1,78 |
| 70×40 | 1,5 | 2,6 |
| 70×40 | 2,0 | 3,35 |
| 80×40 | 1,5 | 2,95 |
| 80×40 | 2,0 | 3,8 |
| 90×45 | 1,5 | 3,3 |
| 90×45 | 2,0 | 4,25 |
| 100×50 | 1,5 | 3,65 |
| 100×50 | 2,0 | 4,7 |
| 120×60 | 2,0 | 5,7 |
| 150×75 | 2,0 | 7,1 |





