| Customization: | Available |
|---|---|
| Type: | Stainless Steel Pipes |
| Standard: | ASTM, AISI, GB, JIS, EN |
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| Stainless Steel 309 Specification | Stainless Steel 309 / 309S, ASTM A312 Stainless Steel |
| SS UNS S30908 Pipe | 309s Stainless Steel Pipe |
| ASTM A312 TP 309 - 309S SS Seamless Pipe Size | 4 to 510mm W. T.: 0.5 to 50mm |
| WERKSTOFF Welded Pipe Size | 5.0 mm - 1219.2 mm |
| ASTM A312 TP 309 - 309S Stainless Steel EFW Pipe size | 5.0 mm - 1219.2 mm |
| Stainless Steel WERKSTOFF Pipe Swg & Bwg | 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg. |
| 309 - 309S Stainless Steel Pipe Schedule | SCH5, SCH10, SCH10S, SCH20, SCH30, SCH40, SCH40S, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| SS UNS S30908 Swg & Bwg | 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg. |
| 309s Stainless Steel Tube wall thickness | 0.020″ -0.220″, (special wall thicknesses available) |
| TP309 SS Length | Single Random, Double Random, Standard & Cut length Pipe & Tube |
| ASTM A 358 SS 309 - 309S Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
| ASTM A 312 SS 309 - 309S Form | Round, Hydraulic, 'U' bent or Hollow,LSAW, Boiler, Straight Pipe, Clad Pipe, Rectangular, Square Pipe Etc |
| Stainless Steel 309 / 309S Type | Welded, Seamless, ERW, EFW, Fabricated Pipe, 'U' bent or Hollow, Hydraulic, LSAW, Boiler, Straight Tube, Tube Coil, Round, Rectangular, Square Tube etc |
| TP309 SS End | Plain End, Beveled End, Treaded Pipe |
| ASTM A312 TP 309 - 309S SS Marking | All 309s Stainless Steel Pipe are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer's request.) |
| SS TP309 - 309S Application | Oil Pipe & Tube, Gas Pipe & Tube, Fluid Pipe & Tube, Boiler Pipe & Tube, Heat exchanger Tube |
| ASTM A312 Stainless Steel Value Added Service | Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc. |
| Marking | All 309s Stainless Steel tubes are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer's request.) |
| 309s stainless steel tubing Testing & Inspection | Visual inspection • Surface roughness measurement • Helium-leak testing • Scanning Electron Microscopy (SEM) • Auger Electron Microscopy (AES) • Election Spectroscopy for Chemical Analysis (ESCA or XPS) • Particle testing • Moisture testing |
| SS 309 Specialize in | Alloy 309 / 309S Large Diameter Pipe |
| Stainless Steel 309 Capillary Tube | |
| Stainless Steel 309S Heat Exchanger & | |
| 309 SS Condenser Tube | |
| Stainless Steel 309S Test Certificate | Manufacturer Test Certificate |
| Laboratory Test Certificate from Govt. Approved Lab. | |
| Under Third Party Inspection | |
| Manufacturers of 309 / 309S Stainless Steel Pipe | TISCO stainless steel pipes |
| Baosteel stainless steel pipes | |
| Qingshan stainless steel pipes | |
| ATI stainless steel, USA | |
| Tubacex Tubos Inoxidables S.A., Spain | |
| Schoeller Bleckmann, Austria | |
| Seah Steel Corporation, South Korea |
Our forming capabilities boast cutting-edge extrusion and cold working technologies, enabling us to manufacture superior tube and pipe products. Equipped with one of the world's largest pilger mills and unique hydroforming processes, we excel in producing high-quality fittings.
As a vertically integrated manufacturer, Jiangsu Daxun Alloy Co., Ltd. offers a comprehensive one-stop solution. We can handle everything from entire projects to specific machining tasks. Our expertise includes Straightening, Drilling, Honing, Trepanning, Cutting, Testing, Boring, Machining, Laser Welding, Polishing, Turning, and specialized services.
With vertical and horizontal presses ranging from 12,000 to 35,000 tons, Daxun sets the industry standard for comprehensive pipe extrusion capabilities. This enables us to produce the longest lengths and largest diameter pipes, unmatched in the industry.
Chemical Composition of 309 Stainless Steel Pipe: The 309 stainless steel pipe boasts a meticulously engineered chemical composition, ensuring superior performance. It includes a balance of Chromium and Nickel, reinforcing its resistance to corrosion and high-temperature durability, making it an ideal choice for demanding environments.
| Element | % Present (in product form) | |
| C, H, P, L | TW2) | |
| Carbon (C) | 0.2 | 0.2 |
| Silicon (Si) | 1.50 - 2.00 | 1.50 - 2.50 |
| Manganese (Mn) | 2 | 2 |
| Phosphorous (P) | 0.045 | 0.045 |
| Sulfur (S) | 0.015 | 0.03 |
| Chromium (Cr) | 19.00 - 21.00 | 19.00 - 21.00 |
| Nickel (Ni) | 11.00 - 13.00 | 11.00 - 13.00 |
| Nitrogen (N) | 0.11 | - |
| Iron (Fe) | Balance | Balance |
| Product Form | |||||
| C, H, P | L | TW* | |||
| Thickness a or diamter d (mm) | a ≤ 12 | d ≤ 25 | a=25 | ||
| Hardness HB max. 1) 2) 3) | 216 | - | |||
| Proof Strength3) | Rp0.2 N/mm2 | 190 | 230 | ||
| Rp1.0 N/mm2 | 230 | 270 | |||
| Tensile Strength | Rm N/mm2 | 500 - 720 | min. 550 | ||
| Elongation min. in % | Long Products | 401) | - | ||
| Flat Products | 0.5 ≤ a/d 3 | 404)5) | 304)5)6) | ||
| 3 ≤ a/d | 404)5) | 304)5)6) | |||
| Density (lb./ in^2) @ RT | 0.29 | |
| Modulus of Elasticity in Tension (psi x 10^6) | 29 | |
| Specific Heat (BTU/o F/lb.) | 32 to 212 oF | 0.12 |
| Thermal Conductivity (BTU/hr/ft^2/ft) | 212oF | 9 |
| 932oF | 10.8 | |
| Mean Coefficient of Thermal Expansion (in. x 10^-6 per o F) | 32 to 212oF | 8.3 |
| 32 to 600oF | 9.3 | |
| 32 to 1,000oF | 9.6 | |
| 32 to 1,200oF | 10 | |
| Electrical Resistivity (micro ohms - cm) | at 70oF | 39.8 |
| Melting Point Range (oF) | 2550 - 2650 | |
| Oxidation Resistance - Continuous Service(oF) | 2000 | |
| Oxidation Resistance - Intermittent Service(oF) | 1800 |
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