A358 TP321 Austenitic Stainless Steel Pipe
The A358 TP321 stainless steel pipes supplied by GNEE have undergone multiple inspections to ensure quality, with wall thicknesses ranging from 3mm to 60mm or even thicker.
A358 TP321 High Temperature Pipe Designed to Withstand High Temperature Environments A358 TP321 stainless steel pipe has incredible resistance to creep deformation and can withstand high temperatures and pressures. Additionally, A358 TP321 Boiler Tube has excellent thermal conductivity, making it ideal for transferring heat.
A358 TP321 polished stainless steel pipe has the advantages of corrosion resistance, oxidation resistance, high temperature resistance, easy installation and maintenance, which makes A358 TP321 high temperature resistant stainless steel pipe used in chemical, petrochemical and refinery plants to transport materials that require high temperatures and to manufacture furnaces that require high temperature components.
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A358 TP321 Pickling stainless steel pipe Specification
| Standard | ASTM, DIN, JIS, GB, AISI, ISO, etc other International Standards |
| Dimensions | ASTM, ASME and API |
| Specifications | ASTM A358 / ASME SA 358 – Class 1, Class 3, Class 2, Class 4, Class 5 |
| Grade | TP 304, TP 304L/H, TP 304LN, TP 316L, TP 316, TP 321/H, TP 347/H |
| Size | 8" NB to 72" NB. |
| Thickness | 3mm to 60mm |
| Length | Upto 6 meters, custom cut lengths |
| Wall Thickness | 3mm to 20mm, SCH 5/5S, 10/10S, 20/20S, 40/40S, 80/80S, 120/120S, 160/160S as per ANSI B36.19/36.10 |
| Finish | No.1 Pickled Finish, BA Finish, No.4 finish, Electropolished Seamless Steel Pipes |
| Delivery Condition | Hot Finish, Cold Finish, Bright Annealed, Annealed and Pickled, Polished, Passivated, Stress Relived |
| Application | Food & Beverage Industry, Nuclear, Construction Industry, Thermal & Power Plants, Petrochemical, Boilers, Cement Industry, Geothermal Plants, Instrumentation Jobs, Mechanical Jobs, Heat Exchangers, Oil and Gas Equipments and Piping Works |
| Package | Steel bundle, Plastic caps on botd ends, Woven bag or acc. to customers' request |
A358 TP321 High temperature tube Chemical Composition
| A312 GRADES | UNS | C | Mn | P | S | Si | Cr | Ni | Mo | Ti | Nb | N |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TP321 | S32100 | 0.08 | 2.0 | 0.045 | 0.030 | 1.0 | 17.0-19.0 | 9.0-12.0 | 0.10 |
A358 TP321 stainless steel pipe Mechanical Properties
| ASTM A358 Material | Heat Treatment |
Temperure Min. º F(º C) |
Tensile Strength Ksi (MPa), Min. |
Yield Strength Ksi (MPa), Min. |
Elongation %, Min |
| TP321 | Solution | 1900(1040) | 75(515) | 30(205) | 35 |
A358 TP321 Austenitic steel tube

Why choose us
gnee has 14 steel production lines, 10 processing equipment for processing, bending, painting, heat treatment, cutting, drilling, beveling, tempering, surface treatment, complete testing equipment and strong technical force. The annual production capacity is more than 60,000 tons.
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FAQ
1.Q.What's your advantage?
A.Honest business with competitive price and professional service on export process.
2.Q.Can your products be customized?
A.Yes, we can produce and process according to your requirements.
3.Q. Do you have a quality control system?
A.Yes, we have our own quality control laboratory.
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