A358 321 EFW Stainless Steel Pipe
GNEE is one of the leading manufacturers, suppliers and exporters of A358 TP321 Austenitic Stainless Steel Pipe, these products are made of high quality materials.
A358 316 Stainless Steel Pipe is made of basic austenitic 18/8 steel, carbon steel with titanium and niobium elements while adding stabilized stainless steel pipe which is not sensitive to carbide intergranular corrosion at high temperatures. A358 316 EFW Steel Pipe is the preferred grade for applications with temperature range up to about 900°C, which combines high strength, anti-scaling and phase stability.
Due to its excellent high temperature resistance, A358 TP321 EFW pipe is often used in the manufacture of pipelines, valves, petrochemical equipment, etc. in the production, transportation and storage of oil and gas.
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ASTM A358 TP321 Chemical Composition
| A312 GRADES | UNS | C | Mn | P | S | Si | Cr | Ni | N |
|---|---|---|---|---|---|---|---|---|---|
| TP321 | S32100 | 0.08% | 2.0% | 0.045% | 0.030% | 1.0% | 17.0%-19.0% | 9.0%-12.0% | 0.10% |
ASTM A358 TP321 Mechanical Properties
| ASTM A358 Material | Heat Treatment |
Temperure | Tensile Strength | Yield Strength | Elongation |
| TP321 | Solution | 1900(1040) | 75(515) | 30(205) | 35 |
A358 TP321 Hot rolled tube Pipe

Why choose us
GNEE pipes and tubes have a wide range of applications in many market sectors, including the oil and gas, petrochemical and construction industries. And we can offer different properties for different purposes (e.g. corrosion protection).
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FAQ1. Can I get a sample before ordering?
Yes of course. Usually our samples are free. We can produce according to your samples or technical drawings. We can manufacture molds and fixtures.
2. How can you guarantee that what I get will be good?
We are a factory with 100% pre-delivery inspection to ensure quality.
3. How do you make our business establish a long-term and good relationship?
1. We maintain good quality and competitive prices to ensure our customers benefit;
2. We respect every customer as our friend and we sincerely do business and make friends with them.
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