310S 321 904L Ss Erw Pipe ASTM Standard

Product Description

Large Diameter Welded Stainless Steel Pipe 310S 321 904L ERW Stainless Steel Pipe

Quick detail:

Big dimater 6-2000mm 

Thcikness 0.5-60mm

Production method : Single Seam Double Seams Circular Seam ERW

Grade: 304 316L 310S 321 2205 904L etc

Finish: No-polished/bright polished

Large Diameter Welded Stainless Steel Pipe 310S 321 904L ERW Stainless Steel Pipe Description:

Torich Supplies Large Diameter Welded Stainless Steel Pipe 310S 321 904L ERW Stainless Steel Pipe as per ASTM A 312,ASTM A358 

Can produce pipes with various material,Customer's requests is our target, thin and thick wall big diameter pipe is our strength.

Tubes will inspection by X ray and Hydro Testing or others which requested from our customers.

Large Diameter Welded Stainless Steel Pipe 310S 321 904L ERW Stainless Steel Pipe Application: petroleum, chemical industry, energy, paper-making, metallurgical heat transfer, sewage treatment, etc.

Features: high precision, uniform wall thickness, high inner surface smoothness (the surface smoothness of tube determined by that of plate), can be offered at fixed length required by clients.

Production process:

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 Production Testing

Marking

Packing

Finished Product Warehousing

Shipping

A&Q

Question:

How to protect pipes from stranportation ?

Weaving Bag, Seaworthy Bundles, Wooden Case if required

What is Delivery time?

7-10 days if material is available.

What is your standard testing on larger diameter pipes?
X ray test Chemical, Mechanical Test Measuring Test.

What is payment ?

30%TT in advance 70% balance paid before shipment.