A358 TP347 Stainless Steel Round Tube
GNEE is a manufacturer, supplier and exporter of A358 TP347 Polished Stainless Steel Pipe and Tubes made from high quality raw materials. GNEE products are designed as per major international standards and sold in many countries around the world.
A358 TP347 Round Tube is a specific type of pipe designed for various industrial applications where high temperature and corrosion resistance is required. Therefore A358 TP347 Round Steel Pipe has good general corrosion resistance and slightly better resistance to strong oxidizing conditions than 321 Stainless Steel. It has excellent resistance to intergranular corrosion after exposure to temperatures ranging from 800 – 1500°F where chromium carbide precipitation occurs.
Because of its excellent high temperature properties, A358 TP347 High Temperature Round Tube is widely used in the manufacturing of boilers, pressure vessels and heat exchangers in fertilizer plants, chemical plants, refineries and power plants.
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ASTM A358 TP347 Pipes Physical Properties
| Temperature Range | |||
|---|---|---|---|
| °F | °C | in/in °F | cm/cm °C |
| 68-212 | 20-100 | 9.2 x 10-6 | 16.0 x 10-6 |
| 68-1112 | 20-600 | 10.5 x 10-6 | 18.9 x 10-6 |
| 68-1832 | 20-1000 | 11.4 x 10-6 | 20.5 x 10-6 |
ASTM A358 SS 347 Pipe 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) |
| Over 4 to 8, incl | 1/16 (0.062) | 1/32 (0.031) |
| Over 8 to 18, incl | 3/23 (0.093) | 1/32 (0.031) |
A358 TP347 stainless steel high temperature pipe

Advantages of Choosing GNEE
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.
Gnee product certificate

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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