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Premium 321 Welded Stainless Steel Tubing from China Suppliers - Durable Factory Direct Solutions for High-Temperature Applications
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 | It is widely used in the fields of 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 internationally recognized 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 the stainless steel tubing?
We offer a wide range of sizes: wall thickness from 1mm to 150mm, and outer diameter from 6mm to 2500mm. Custom sizes can also be produced according to your specific project requirements.
Q
What surface finishes are available?
We provide multiple surface finish options including polishing, annealing, pickling, and bright finish. The right choice depends on your application environment and aesthetic or functional requirements.
Q
What industries is this stainless steel tubing suitable for?
Our stainless steel tubing is widely used across petroleum, food processing, chemical industry, construction, electric power, nuclear energy, machinery, biology, paper making, shipbuilding, and boiler manufacturing industries.
Q
How is the product packaged for export?
All products are packed in standard export seaworthy packaging to ensure safe delivery. Custom packaging arrangements can also be made based on your specific requirements and shipping conditions.
Q
Can I request a custom quote for a specific grade or dimension?
Absolutely. We welcome custom inquiries for any grade, dimension, or surface finish. Simply contact our sales team with your specifications and we'll provide a tailored quote with competitive pricing and prompt delivery options.