| 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 state-of-the-art forming capabilities include advanced extrusion and cold working assets, enabling us to manufacture superior tube and pipe products. We also boast one of the world's largest pilger mills and a unique hydroforming process for producing exceptional fittings.
As a vertically integrated manufacturer, Jiangsu Daxun Alloy Co., Ltd. offers a comprehensive one-stop shop. We manage entire projects or specific machining jobs with precision. Our vast array of services includes Straightening, Drilling, Honing, Trepanning, Cutting, Testing, Boring, Machining, Laser Welding, Polishing, Turning, and Specialized Services.
Equipped with vertical and horizontal presses ranging from 12,000 tons to 35,000 tons, Daxun stands at the forefront of pipe extrusion capabilities worldwide. Our facilities enable us to produce the longest lengths and largest diameter pipes in the industry with outstanding quality.
Chemical Composition of 309 Stainless Steel Pipe
| 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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