EN 10217-7 1.4301, 1.4307, 1.4404 Welded Tube Specifications
| Standard | EN 10217-7 |
|---|---|
| Tube Type | Welded Tube |
| Grades | 1.4301, 1.4307, 1.4404, 1.4541, 1.4571, 1.4462 |
| Finishing | As Welded, Annealing Pickling, Bright Annealing, Polished |
| Outside Diameter | 6 Up To 508 Mm |
| Thickness | 0.5 Up To 8 Mm |
Tolerances On Outside Diameter And Wall Thickness Of Tubes
| Outside Diameter D Mm | Tolerance On Outside Diameter D | Tolerance On Wall Thickness T | ||
|---|---|---|---|---|
| Tolerance Class | Permissible Deviation | Tolerance Class | Permissible Deviation | |
| D ≤ 168,3 | D3 | ± 0,75 % Or ± 0,3 Mm Whichever Is The Greater | T3 | ± 10 % Or ± 0,2 Mm Whichever Is The Greater |
| D4a | ± 0,5 % Or ± 0,1 Mm Whichever Is The Greater | |||
| D >168,3 | D2 | ± 1,0 % | ||
Why choose GNEE
GNEE has a domestically advanced large-scale LG320 fully automatic cold rolling mill, which can produce a series of standard terminal products with a diameter of 219mm-325mm. It has large production capacity, uniform geometric dimensions, no deflection, no defects inside and outside the products, high smoothness, and can meet the requirements of various inspection standards.
1.Q: Do you provide customized product services?
A: Of course, we can design and produce the products you need based on your specifications and drawings. For example: special dimensions, special controls, OEM, etc.
2.Q: Are you a manufacturer or trader?
A: We are manufacturers. We have our own factory to produce and process various kinds of stainless steel /nickel alloy pipes.
3.Q: Can we get the some samples?Is there a charge?
A: Yes, we will provide you with the samples you want. The samples are free of charge, but the customer may have to pay the freight.
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