Customization: | Available |
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Type: | Stainless Steel Pipes |
Standard: | ASTM, AISI, GB, JIS, EN |
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304 Stainless Steel Seamless Pipes Standards | ASTM A213, ASTM A249, ASTM A269, ASME SA213, ASME SA249, ASME SA269, EN 10216-5 TC1 / TC2, PED 97/23/EC, AD 2000, NACE MR0175/ISO 15156 |
304 Seamless Aerospace Tubing | AMS 5564, AMS 5565, AMS 5567, AMS 5569, AMS 5695 (Canceled & non-current specs include AMS-T-6845, Mil-T-6845, AMS-T-8504, Mil-T-8504, AMS-T-8506, Mil-T-8506) |
WELDED & DRAWN 304 Stainless Steel Aerospace Tubing | AMS 5564, AMS 5565, AMS 5566, AMS 5567, AMS 5569 (Canceled & non-current specs include AMS-T-6845, Mil-T-6845, AMS-T-8504, Mil-T-8504, AMS-T-8506, Mil-T-8506) |
ASTM A312 Stainless Steel Pipe Typical Manufacturing Specifications | ASTM A213,ASTM A312,ASME B36.19,AMS 5647,AMS 5566,AMS 5569,AMS 6845,BS 10216 Pt 5,ASTM A269,BS 3605 Pt 1,ASTM A632,NFA 49-117,NFA 49-217,Mil-T 8504,Mil-T 8606,or as per customer specifications. |
Austenitic Stainless Steel 304 Pipes Seamless Tube Size | 3.35 mm OD To 630 mm OD |
304 Stainless Steel Welded Tube Size | 6.35 mm OD To 1219 mm OD |
ASTM A312 TP 304 Stainless Steel Seamless Pipes Swg & Bwg | 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg. |
SS 304 Pipe Schedule | SCH5, SCH10, SCH10S, SCH20, SCH30, SCH40, SCH40S, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
Stainless Steel 304 Seamless Pipes Wall thickness | 0.020″ -0.220″, (special wall thicknesses available) |
SS 304 tube Length | Single Random, Double Random, Standard & Cut length |
Stainless Steel UNS S30400 ERW Pipes Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
Stainless Steel DIN 1.4301 Pipes Form | Round Pipes/ Tubes, Square Pipes/ Tubes, Rectangular Pipe/ Tubes, Coiled Tubes, "U" Shape, Pan Cake Coils, Hydraulic Tubes, Straight or 'U' bent Tubes, Hollow, LSAW Tubes Etc. |
304 Stainless Steel Welded Pipe Type | Seamless, ERW, EFW, Welded, Fabricated |
Electropolished | (EP) Electropolished for Ultra High Purity Systems |
Non-Electropolished | (BA) Bright Annealed or (AP) Annealed & Pickled for High-Purity, (CFOS) Cleaned for Oxygen Grade Service or Corrosive Systems |
I.D. Surface Finish Options | 5, 7 & 10 µin. Ra |
304 Stainless Steel Round Pipe JIS | 8A to 250A |
304 Stainless Steel Square Pipe Tolerances | In accordance with: ASTM: A269 & A632, JIS: G 3459 |
304 stainless steel tubing End | Plain End, Beveled End, Treaded, Ends are suitable for orbital welding |
ASTM A312 TP 304 Stainless Steel Marking | All 304 Stainless Steel tubes are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer's request.) |
304 stainless steel tubing Application | Oil Tube, Gas Tube, Fluid Tube, Boiler and Heatexchanger |
Value Added Service | Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc. |
Specialize in | Stainless Steel 304 Capillary Tube & Other Odd Size |
Stainless Steel 304 Heat Exchanger & Condenser Tubes | |
Stainless Steel 304 Hydraulic tubing with OD up to 50.8 mm (2.0 in.) are delivered in bright annealed condition | |
ASTM A312 TP304 tube with OD larger than 50.8 mm are supplied in the annealed and pickled condition, Or in polished condition | |
Marking & Traceability | Each Stainless Steel 304 Tubing is traceable to its producing mill and heat by an identification number etched within 24″ (610mm) of one end. |
Test Certificate | Manufacturer Test Certificate according to EN 10204 3.1 B |
Laboratory Test Certificate from Govt. Approved Lab. | |
Under Third Party Inspection | |
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 |
We can also cut, thread, and groove ASTM A312 TP304 erw to meet your specifications |
Our forming capabilities are second to none, featuring state-of-the-art extrusion and cold working technologies for crafting superior tube and pipe products. Among our assets are one of the world's largest pilger mills and unique hydroforming processes designed to create unparalleled fittings.
As a vertically integrated manufacturer, Jiangsu Daxun Alloy Co., Ltd. provides a comprehensive, one-stop solution capable of handling any project, from full-scale endeavors to specialized machining tasks. Our extensive services include Straightening, Drilling, Honing, Trepanning, Cutting, Testing, Boring, Machining, Laser Welding, Polishing, Turning, and a variety of Specialized Services.
Boasting vertical and horizontal presses ranging from 12,000 to 35,000 tons, Daxun offers the most extensive pipe extrusion capabilities globally. Our advanced technology allows us to produce the industry's longest lengths and largest diameter pipes, setting new standards for excellence.
304/304L/304LN/304H Pipe and Tubing | |||||||
Sizes | Standard Tolerances | ||||||
Products | OD | Wall | Lengths and/or coils | Grades | OD | Wall | Lengths |
Welded Austenitic Steel Boiler, Super Heater, Heat-Exchangers & Condenser Tubes | 3/16″ (4.76 mm) to 4″ (101.6 mm) | 0.020″ (0.51 mm) to 0.220″ (5.59 mm) | Random or cut lengths up to 90′ (27.4 m) Coils to 1-1/2″ OD | 304/304L/ | Under 1″ (25.4 mm) ±0.004″ (0.10 mm) 1″ (25.4 mm) to | ±10% | Randoms up to +2″ (50.8 mm) Cuts +1/8″ (3 mm) -0″ Coils to 80,000′ (24,384 m) |
Specifications: ASTM-A249, ASME-SA249, ASTM-A688, ASME-SA688 | Metric sizes available | 304LN/304H | 1-1/2″ (38.1 mm) ±0.006″ (0.15 mm) | ||||
>1-1/2″ (38.1 mm) to 2″ (50.8 mm) ±0.008″ (0.20 mm) | |||||||
>2″ (50.8 mm) to 2-1/2″ (63.5 mm) ±0.010″ (0.25 mm) | |||||||
>2-1/2″ (63.5 mm) to 3″ (76.2 mm) ±0.012″ (0.30 mm) | |||||||
3″ (76.2 mm) to 4″ (101.6 mm) ±0.015″ (0.38 mm) | |||||||
Pressure & Corrosion Tubing | 1/16″ (1.59 mm) to 4″ (101.6 mm) | 0.010″ (0.25 mm) to 0.220″ (5.59 mm) | Random or cut lengths up to 90′ (27.4 m) Coils to 1-1/2″ OD | 304/304L/ | <1-1/2″ (38.1 mm) ±0.005″ (0.13 mm) 1-1/2″ (38.1 mm) to 3″ (76.2 mm) ±0.010″ (0.25 mm) | ±10% | Randoms up to +2″ (50.8 mm) Cuts +1/8″ (3 mm) -0″ Coils to 80,000′ (24,384 m) |
Meets or exceeds requirements for welded | Metric sizes available | 304H | 3-1/2″ (88.9 mm) to 4″ (101.6 mm) ±0.015″ (0.38 mm) | ||||
Specifications: ASTM-A269, ASTM-A1016, and ASTM-A632 | |||||||
Beverage Tubing | 1/4″(6.35 mm) 5/16″ (7.94 mm) 3/8″ (9.53 mm) 1/2″ (12.7 mm) | 0.020″ (0.51 mm) to 0.028″ (0.71 mm) | Random or cut lengths up to 40′ (12.2 m) | 304/304L/ | ±0.005″ (0.13 mm) | ±10% | Randoms up to +2″ (50.8 mm) Cuts +1/8″ (3 mm) -0″ Coils to 15,000′ (4,572 m) |
Metric sizes available | 304H | ||||||
Instrumentation Tubing | 1/16″ (1.59 mm) to 1/2″ (12.7 mm) | 0.010″ (0.25 mm) to 0.065″ (1.65 mm) | Random or cut lengths up to 40′ (12.2 m) | 304/304L/ | ±0.005″ (0.13 mm) | ±10% | Randoms up to +2″ (50.8 mm) Cuts +1/8″ (3 mm) -0″ |
Specifications: ASTM-A269 and ASTM-A632 | Metric sizes available | 304H | |||||
Food/Dairy Tubing, Pharmaceutical/ BioPharmaceutical Tubing, High Purity Tubing, Ultra High Purity Tubing | 1/2″ (12.7 mm) to 8″ (203.2 mm) | 0.049″ (1.24 mm) to 0.109″ (2.77 mm) | 20′ (6.1 m) stock lengths. Other lengths available upon request. | 304/304L | 1/2″ (12.7 mm) ±0.005″ (0.13 mm) | ±10% | +1/8″ (3 mm) -0″ |
3/4″ (19.1 mm) ±0.005″ (0.13 mm) | ±10% | +1/8″ (3 mm) -0″ | |||||
1″ (25.4 mm) ±0.005″ (0.13 mm) | ±10% | +1/8″ (3 mm) -0″ | |||||
1-1/2″ (38.1 mm) ±0.008″ (0.20 mm) | ±10% | +1/8″ (3 mm) -0″ | |||||
2″ (50.8 mm) ±0.008″ (0.20 mm) | ±10% | +1/8″ (3 mm) -0″ | |||||
2-1/2″ (63.5 mm) ±0.010″ (0.25 mm) | ±10% | +1/8″ (3 mm) -0″ | |||||
3″ (76.2 mm) ±0.010″ (0.25 mm) | ±10% | +1/8″ (3 mm) -0″ | |||||
4″ (101.6 mm) ±0.015″ (0.38 mm) | ±10% | +1/8″ (3 mm) -0″ | |||||
6″ (152.4 mm) ±0.030″ (0.76 mm) | ±10% | +1″ (25.4 mm) -0″ | |||||
8″ (203.2 mm) +0.061″ (1.55 mm), -0.031″ (0.79 mm) | ±10% | +1″ (25.4 mm) -0″ |
Chemical Composition of 304 Stainless Steel Pipe
Composition of 304/304L/304LN/304H tubing and pipe | ||||
Grade | 304 | 304L | 304LN | 304H |
UNS Designation | S30400 | S30403 | S30453 | S30409 |
Carbon (C) Max. | 0.08 | 0.030* | 0.03 | 0.04 - 0.10 |
Manganese (Mn) Max. | 2 | 2 | 2 | 2 |
Phosphorous (P) Max. | 0.045 | 0.045 | 0.045 | 0.045 |
*** (S) Max. | 0.03 | 0.03 | 0.03 | 0.03 |
Silicon (Si) Max. | 1 | 1 | 1 | 1 |
Chromium (Cr) | 18.0-20.0 | 18.0-20.0 | 18.0-20.0 | 18.0-20.0 |
Nickel (Ni) | 8.0-11.0 | 8.0-11.0 | 8.0-11.0 | 8.0-11.0 |
Molybdenum (Mo) | - | - | - | - |
Nitrogen (N) | - | - | 0.10-0.15 | - |
Iron (Fe) | Bal. | Bal. | Bal. | Bal. |
Other Elements | - | - | - | - |
Tensile Strength | Yield Strength | |||||||||||||
Alloy | UNS Designation | Spec. | psi | MPa | ksi | psi | MPa | ksi | Elongation in 2 inches (min.) % | Grain Size Req. | Max. Hardness | Modulus of Elasticity (x106 psi) | Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6) | Thermal Conductivity (BTU-in/ft2-h-°F) |
304 | S30400 | A249, A312 | 75,000 | 515 | 75 | 30,000 | 205 | 30 | 35 | - | 90 Rb | 28 | 9.2 | 116 |
304L | S30403 | A270 A312 | 70,000 | 485 | 70 | 25,000 | 170 | 25 | 35 | - | 90 Rb | 28 | 9.2 | 116 |
304LN | S30453 | A249, A688 | 75,000 | 515 | 75 | 30,000 | 205 | 30 | 35 | - | 90 Rb | 28 | 9.2 | 116 |
304H | A30409 | A249, A312 | 75,000 | 515 | 75 | 30,000 | 205 | 30 | 35 | 7 or coarser | 90 Rb | 28 | 9.2 | 116 |
Alloy | UNS Designation | Werkstoff NR. | Specifications* |
304 | S30400 | 1.4301 | A269, A/SA249, A/SA312, A632, A/SA688, A270 |
304L | S30403 | 1.4306 | A269, A/SA249, A/SA312, A629, A632, A/SA688, A270 |
304LN | S30453 | 1.4311 | A/SA249, A/SA688 |
304H | S30409 | 1.4948 | A269, A/SA249, A/SA312, A/SA688 |
*Note: The specifications noted including ASTM, ASME, or other applicable authorities are correct at the time of publication. Other specifications may apply for use of these materials in different applications. |
DAXUN304/304L Stainless Steel is used in a wide variety of home and commercial applications, including: