Stainless Steel 904l Seamless Pipe & Tube
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Stainless Steel 904l Seamless Pipe & Tube
Siddhgiri Overseas is a trusted supplier of Stainless Steel 904L Seamless Pipes & Tubes, offering top-grade products that are ideal for applications requiring high resistance to corrosion and strong mechanical properties. 904L is a low-carbon, high-alloy austenitic stainless steel designed to resist severe corrosion in aggressive environments. It is particularly well-suited for applications in industries such as chemical processing, oil and gas, pharmaceutical, and seawater handling.
Key Features of Stainless Steel 904L Seamless Pipes & Tubes:
High Corrosion Resistance: 904L provides excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in environments rich in chlorides and other halides.
Low Carbon Content: The low carbon content of 904L minimizes the risk of carbide precipitation during welding, making it suitable for a variety of welding applications without compromising corrosion resistance.
Strong Resistance to Acidic Environments: 904L offers outstanding resistance to sulfuric, phosphoric, and acetic acids, making it ideal for chemical processing applications.
Excellent Formability and Weldability: Despite its high strength, 904L stainless steel can be easily formed and welded, providing versatility in fabrication and installation.
Long Service Life: The durability of 904L stainless steel ensures that pipes and tubes made from this alloy can withstand harsh environments, extending the life of the equipment and reducing maintenance costs.
Siddhgiri Overseas provides Stainless Steel 904L Seamless Pipes & Tubes in various dimensions and specifications to meet the diverse needs of our clients. Our products are manufactured to meet international standards, ensuring top-notch quality and reliable performance.
| Standard Specification | ASTM A 312/ ASME SA 312/ A790/ SA790/ EN10216-5 |
| Size | ½” to 6” NB Sch 10s, 40s, & 80s, 160s |
| Wall Thickness | 0.1 – 60 mm |
| SS Seamless Pipe Length |
|
| Seamless SS Pipe Surface Finish | Cold Finish, Bright, Polished, Annealing, Pickling, or as per client requirements |
| Standard | JIS, AISI, ASME, ASTM, AMS, GB, DIN, EN, GOST |
| Manufacturing types | Seamless, Welded, ERW, EFW |
| Manufacturing Shapes | Round, Square, Rectangle, Box Section |
| Manufacturing Technology | Hot / Cold Formed |
| Other Grades | SS 446 |
| Inspection, Test Reports | EN 10204 3.1, Mill Test Certificates, PMI Test Reports, Chemical Reports, Mechanical Reports, NABL Approved Lab Reports, Visual Inspection Reports, Destructive and Non Destructive Test Reports, Third Party Inspection |
| Technique | Cold Rolled Hot Rolled |
SS 904L Pipe Chemical Composition
| Element | Min | Max |
|---|---|---|
| C | – | 0.2 |
| Mn | – | 2 |
| Ni | 23 | 28 |
| Cr | 19 | 23 |
| S | – | 0.3 |
| Mo | 4 | 5 |
| N | – | 0.1 |
| Cu | 1 | 2 |
| P | – | 0.03 |
| Si | – | 0.7 |
Mechanical Properties of SUS 904L Pipe
| Temper | Annealed | |
|---|---|---|
| Tensile Rm | 71 | ksi (min) |
| Tensile Rm | 490 | MPa (min) |
| R.p. 0.2% Yield | 32 | ksi (min) |
| R.p. 0.2% Yield | 220 | MPa (min) |
| Elongation (2” or 4D gl) | 35 | % (min) |