0102030405
High-Quality 304 Stainless Steel Seamless Pipe from China Suppliers | Trusted Factory Solutions
Product Details
Rest assured, our seamless pipe is made to meet strict international standards, so you get consistent quality and durability every time. Whether you're dealing with high temperatures or corrosive environments, this product won't let you down — it's built for performance and safety.
💡 If you're working on a critical project, go with our seamless pipes. They combine strength, longevity, and cost-effectiveness — what more could you ask for? Feel free to reach out today for custom sizes or competitive prices. We're here to help!
| 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 international standards do your seamless stainless steel pipes comply with?
Our seamless pipes comply with a wide range of international standards including ASTM A213, A312, ASTM A269, ASTM A778, ASTM A789, DIN 17456, DIN 17457, DIN 17459, JIS G3459, JIS G3463, GOST9941, EN10216, BS3605, and GB13296, ensuring global quality acceptance.
Q
What grades of stainless steel are available for your seamless pipes?
We offer a comprehensive range of stainless steel grades including Austenitic (304, 316, 321, etc.), Martensitic (410, 420, 440C, etc.), Duplex (S31803, S32205, S32750, etc.), and Ferritic (430, 434, 439, etc.) to meet diverse application requirements.
Q
What size range is available for your seamless stainless steel pipes?
We supply seamless pipes with an outer diameter ranging from 6mm to 2500mm and wall thickness from 1mm to 150mm. Custom sizes are also available based on your project requirements — please contact us for a tailored quote.
Q
What industries are your seamless pipes suitable for?
Our seamless stainless steel pipes are widely used across multiple industries including petroleum, food processing, chemical industry, construction, electric power, nuclear energy, machinery, biology, paper making, shipbuilding, and boiler manufacturing.
Q
What surface finishes and manufacturing types do you offer?
We provide multiple surface treatment options including polishing, annealing, pickling, and bright finish. The pipes are available in both hot rolled and cold rolled types to suit different mechanical and surface quality requirements.
Q
What are the packaging and delivery options for bulk orders?
We use standard export seaworthy packaging to ensure safe transit, or can customize packaging as required. Shipping is available via 20ft GP, 40ft GP, or 40ft HC containers. Delivery time is prompt for stock items or scheduled according to order quantity for custom production.