A358 321 Stainless Steel Straight Welded Pipe
GNEE is an A358 321 EFW Stainless Steel Pipe supplier that offers pipes in all surface finishes and cut-to-length pipes in all grades, saving you money.
ASTM A358 Grade 321 Steel Pipe is a premium high-temperature steel pipe designed for applications that require excellent creep resistance. In addition, these A358 321 high alloy pipes can also withstand high temperatures and pressures with excellent thermal conductivity, making them ideal for transferring heat.
The production process of A358 TP321 Grade 1 Stainless Steel Pipe usually includes steps such as steel plate preparation, forming, welding, heat treatment, testing, and surface treatment. Grade 1 usually means that the steel pipe requires double-sided welding.
Take ActionContact Us: sales@gneetube.com
A358 Stainless Steel 321 EFW Pipe Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 - 19.00 | 0.10 max | 9.00 - 12.00 | 5(C+N) – 0.70 max |
ASTM A358 SS 321 EFW tube Tolerances
| NPS Designator | Permissible Variations in Outside Diameter | |
|---|---|---|
| Over In. | Under In. | |
| 1/8 to 1-1/2, incl | 1/64 (0.015) | 1/32 (0.031) |
| Over 1-1/2 to 4, incl | 1/32 (0.031) | 1/32 (0.031) |
A358Stainless steel 321 pipe
Advantages of GNEE
Gnee company covers an area of 35,000 square meters and has more than 200 employees, including 80 technical staff. We have established an effective and complete quality control and assurance system. The company has also obtained ISO9001 quality system certification.
GneeGroup participated in the exhibition
FAQ
Q: Can you send samples?
A: Of course, we can send samples to all over the world, our samples are free, but customers
need to bear the courier cost.
Q: What product information do I need to provide?
A: You need to provide grade, wall thickness, width and quantity you need to buy.
Q: What are the shipping ports?
A: You can choose other ports according to your needs.
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