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Premium 321 Stainless Steel Tubing from China Suppliers - Durable, High-Temperature Resistant 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.
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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 the 321 Stainless Steel Tubing comply with?
Our 321 Stainless Steel Tubing complies with multiple international standards including ASTM A213, ASTM A269, ASTM A312, ASTM A778, ASTM A789, DIN 17456, DIN 17457, DIN 17459, JIS G3459, JIS G3463, GOST9941, EN10216, BS3605, and GB13296, ensuring global compatibility and quality assurance.
Q
What size range is available for the stainless steel tubing?
We offer a wide size range to suit various applications. Wall thickness ranges from 1mm to 150mm, and outer diameter ranges from 6mm to 2500mm. Custom sizes can also be manufactured based on specific customer requirements.
Q
What surface finishes are available for the tubing?
We provide multiple surface finish options including polishing, annealing, pickling, and bright finish. The appropriate surface treatment can be selected based on your application environment and aesthetic requirements.
Q
What industries are these stainless steel tubes suitable for?
Our stainless steel tubing is widely used across many industries, including petroleum, food processing, chemical industry, construction, electric power, nuclear energy, machinery, biology, paper making, shipbuilding, and boiler manufacturing. Custom solutions are also available upon request.
Q
What types of stainless steel grades are available?
We supply a comprehensive range of stainless steel grades, including Austenitic (e.g., 304, 316, 321), Martensitic (e.g., 410, 420, 440C), Duplex (e.g., S32205, S32750), and Ferritic (e.g., 430, 439) stainless steel types to meet diverse technical and environmental demands.
Q
What is the delivery time and packaging method?
We offer prompt delivery for stock items, with lead times for larger orders depending on quantity and specifications. All products are packed in standard export seaworthy packaging to ensure safe transit. Custom packaging arrangements can also be accommodated upon request.