Construction Oil Refining 310S 6.35mm Stainless Steel Tube

Construction Oil Refining Big Diameter 310S Stainless Steel Pipes

Production process of  large diameter straight seam welded pipe:

Steel Coil→ Re-test→ Flat Open and Transverse Shear→ Shear (Longitudinal Shear)→ Edge Planning and Milling→

Butt Welding of Plate→ Forming (Bending/Reeling)→ End Squaring&Tack Welding→ Welding Seam Cleaning→

Automatic Welding→ Radiographic Test→ Solution Treatment→ Rounding→ Straightening→ End Facing Treatment→

Hydrostatic Test→ Pickling Passivation→ Rinse and Dry→ Radiographic Test→ Finished Product Testing→ Marking→

Packing→ Finished Product Warehousing→ Shipping

1. Grade:

304/304L/304H, 316/316L, 321/321H, 317/317L, 347/347H, 309S, 310S, 2205, 2507, 904L, 430J1L, 444, 445J2, 44660 (1.4301, 1.4306, 1.4948, 1.4401, 1.4404, 1.4571, 1.4541, 1.4833, 1.4878, 1.4550, 1.4462, 1.4438, 1.4845)

2. Size:

OD 6.35 mm - 114 mm,

WT 0.2 mm - 3.5 mm

3. Standard:

ASTM A213, A249, A269, A312, A511, A789, A790, A376,

EN 10216-5, EN 10297,DIN 17456, DIN 17458,

JISG3459, JIS GS3463, GS3467, JIS G3448,

GOST 9940, GOST 9941

4. Certification:

ISO9001, ISO14001, OHSAS18001, PED, AD2000 and so on

Application:

Electric Power, Oil Refining, Nuclear Power, Drinking Water,

Offshore Engineering&Shipbuilding, Natural Gas, Paper Making, Construction