Ss 321 Seamless Pipe
The SS 321 seamless pipe is widely used in manufacturing industry and chemical processing applications in high temperature environments. Here are some of the advantages of SS 321 seamless tubing:
1. High temperature resistance: SS 321 seamless tube is made of high quality stainless steel, has excellent high temperature resistance, can withstand temperatures of up to 800 degrees. This makes it ideal for manufacturing high temperature pipes, stoves and heating equipment.
2. Excellent oxidation resistance: The SS 321 seamless tube can also maintain its surface fine and smooth at high temperatures, and will not be affected by oxidation. This oxidation resistance is a must for chemical processing and manufacturing industries.
3. Strong corrosion resistance: The SS 321 seamless pipe has excellent corrosion resistance and can be used in acidic and alkaline environments. This makes it very important in the chemical industry.
4. Remarkable plasticity and strength: The SS 321 seamless tube is made of very plastic stainless steel and can withstand high pressure and heavy load without maintenance. This makes them a common material for manufacturing pipes and processing equipment.
5. Easy to clean and maintain: Due to its smooth surface and easy to clean, the SS 321 seamless tube is very convenient for maintenance. This makes them preferred in the manufacturing and aerospace industries.
Stainless Steel 321 Seamless Pipe Material Specification
| ASTM / ASME Name | ASTM A 312 ASME SA 312 / ASTM A 358 ASME SA 358 |
| Dimensions Standard | ASTM, ASME and API |
| Stainless Steel 321 Seamless Pipes Size Range | 0.5″ NB – 16″ NB |
| OD Sizes | 0.5″NB TO 30″NB IN |
| Specialized in | Large Diameter Size |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Frequently Used Type | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
| Available Pipes Form | Round |
| Stainless Steel 321 Seamless Pipes Stock Length | Single Random, Double Random & Cut Length. |
| Stainless Steel 321 Seamless Pipes End Finishing | Plain End, Beveled End, Treaded End |
Chemical Material Composition of SS 321 seamless pipes
| Grade | Ni | Mn | P | C | S | Si | Cr | Ti | N | |
| 321 | min. | 9.00 | – | – | – | – | – | 17.0 | 5(C+N) | – |
| max. | 12.00 | 2.0 | 0.045 | 0.08 | 0.030 | 1.00 | 19.0 | 0.70 max | 0.10 | |
SS 321 Seamless Pipes Mechanical Properties
| Grade | Tensile Strength (MPa) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (MPa) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 321 | 515 | 40 | 205 | 95 | 217 |
Equivalent material of stainless steel 321 pipes
| STANDARD | WERKSTOFF NR. | UNS | JIS | AFNOR | BS | GOST | EN |
|---|---|---|---|---|---|---|---|
| SS 347 | 1.4541 | S32100 | – | – | – | – | – |
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