321 Stainless Steel Tubing from China Suppliers | High-Temperature Resistance | Durable Factory Solutions
Product Details
● We make sure each tube meets tough standards like ASTM A213 and ASME SA213, with strict quality checks along the way. Plus, it's easy to weld and form, so fitting it into complex systems is a breeze—saving you time and money during installation.
If you're dealing with critical high-temperature or corrosive environments where failure isn't an option, give our 321 Stainless Steel Tubing a shot. Reach out for a custom quote today and see the difference in quality and service for yourself!
| Austenitic Stainless Steel | 201, 301, 304, 305, 310, 314, 316, 321, 347, 370, etc |
| Martensitic Stainless Steel | 410, 414, 416, 416, 420, 431, 440A, 440B, 440C, etc |
| Duplex Stainless Steel | S31803, S32101, S32205, S32304, S32750, etc |
| Ferritic Stainless Steel | 429, 430, 433, 434, 435, 436, 439, etc |
Product Specification
| Standard | ASTM A213, A312, ASTM A269, ASTM A778, ASTM A789, DIN 17456, DIN17457, DIN 17459, JIS G3459, JIS G3463, GOST9941, EN10216, BS3605, GB13296 |
| Material | 304, 304L, 309S, 310S, 316, 316Ti, 317, 317L, 321, 347, 347H, 304N, 316L, 316N, 201, 202 |
| Surface | Polishing, annealing, pickling, bright |
| Type | Hot rolled and cold rolled |
| Size | Wall thickness: 1mm – 150mm Outer diameter: 6mm – 2500mm |
| Delivery Time | Prompt delivery or as the order quantity. |
| Package | Standard export seaworthy package, or as required. |
| Application | Widely used in petroleum, food, chemical industry, construction, electric power, nuclear energy, energy, machinery, biology, paper making, shipbuilding and boilers. Pipes can also be made according to customer requirements. |
| Container Size |
20ft GP: 5898mm (L) × 2352mm (W) × 2393mm (H) — 24–26 CBM 40ft GP: 12032mm (L) × 2352mm (W) × 2393mm (H) — 54 CBM 40ft HC: 12032mm (L) × 2352mm (W) × 2698mm (H) — 68 CBM |
Chemical Composition Table
| Chemical Component (%) | |||||||
| Grade ASTM | C | Si | Mn | S | P | Cr | Ni |
| 201 | ≤0.15 | ≤0.75 | 5.50–7.50 | ≤0.030 | ≤0.060 | 16.00–18.00 | 3.50–5.50 |
| 304 | ≤0.07 | ≤1.00 | ≤2.00 | ≤0.030 | ≤0.035 | 17.00–19.00 | 8.00–11.00 |
| 304L | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.030 | ≤0.035 | 18.00–20.00 | 8.00–12.00 |
| 309S | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.030 | ≤0.035 | 22.00–24.00 | 12.00–15.00 |
| 310S | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.030 | ≤0.035 | 24.00–26.00 | 19.00–22.00 |
| 316 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.030 | ≤0.035 | 16.00–18.00 | 10.00–14.00 |
| 316L | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.030 | ≤0.035 | 16.00–18.00 | 12.00–15.00 |
Frequently Asked Questions
Q What standards does your 321 Stainless Steel Tubing comply with?
Our 321 Stainless Steel Tubing meets a wide range of international standards including ASTM A213, ASME SA213, ASTM A269, ASTM A312, DIN 17456, JIS G3463, EN10216, and more, ensuring reliable performance across global markets.
Q What size ranges are available for your stainless steel tubing?
We offer a broad size range to suit various applications. Wall thickness is available from 1mm to 150mm, and outer diameter ranges from 6mm to 2500mm. Custom dimensions can also be produced based on customer requirements.
Q What surface finishes are available for the stainless steel tubes?
We provide multiple surface finish options including polishing, annealing, pickling, and bright finish. The appropriate surface treatment can be selected based on your specific application and aesthetic requirements.
Q What industries are your stainless steel tubes commonly used in?
Our stainless steel tubes are widely used across many industries including petroleum, food processing, chemical industry, construction, electric power, nuclear energy, machinery, biology, paper making, shipbuilding, and boiler manufacturing.
Q How is the stainless steel tubing packaged for export?
All products are packed using standard export seaworthy packaging to ensure safe delivery. We also accommodate custom packaging requirements based on specific customer needs or destination port regulations.
Q Can I request a custom quote for a specific grade or specification?
Absolutely. We support custom orders for various stainless steel grades including 304, 316L, 321, 347, duplex, and more. Simply contact us with your specifications, and our team will provide a tailored quote promptly.






