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304 Stainless Steel Seamless Pipe - Premium Quality from China Suppliers and Trusted Factory
Product Details
✔ Consistent Quality & Durability: Our seamless pipe is made to meet strict international standards — reliable performance in high temperatures and corrosive environments.
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, A269, A778, A789, DIN 17456, DIN 17457, DIN 17459, JIS G3459, JIS G3463, GOST9941, EN10216, BS3605, and GB13296, ensuring global compatibility and quality assurance.
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.) types to suit various industrial applications.
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 can also be manufactured based on specific project requirements.
Q What surface finishes are available for the seamless pipes?
We offer multiple surface treatment options including polishing, annealing, pickling, and bright finish. The appropriate surface can be selected based on your application environment and aesthetic requirements.
Q What are the main application fields for these seamless stainless steel pipes?
Our seamless pipes are widely used across industries including petroleum, food processing, chemical industry, construction, electric power, nuclear energy, machinery, biology, paper making, shipbuilding, and boiler manufacturing.
Q What packaging and delivery options do you offer?
We use standard export seaworthy packaging to ensure safe delivery, or we can accommodate custom packaging as required. Delivery time is prompt for stock items and will be confirmed based on order quantity for custom orders. We support shipments via 20ft GP, 40ft GP, and 40ft HC containers.