| Diameters range [mm] | Wall thickness [mm] | Grade PN EN | |||
|---|---|---|---|---|---|
| outside/inside | outside/inside | outside diameter/ wall thickness | outside diameter/ wall thickness | ||
| Hollow bar | 32/16 | 420/300 | 32/8 | 420/60 | stainless and acid resistant: 1.4301/1.4307, 1.4404, 1.4571,1.4436 duplex: 1.4462 |
Stainless hollow bars and acid -resistant hollow bars:
- hollow bars made according to EN 10216-5 PED 97/23/EU/ PED 2014/68/EU
- tolerances of outside diameters: +2%/-0%,
- tolerances of inside diameters:
- up to 50 mm : +0/-1 mm
- over 50 mm: +0/-2%
