304 stainless steel pipe
Stainless Steel Pipes
ASTM, AISI, GB, JIS, EN
SS304 S30400 30408
ISO, RoHS, IBR, AISI, ASTM, GB, EN, DIN, JIS
Round
Hot Rolled
Pickling
0.3mm-100mm
2000mm-9000mm
Pickling, Polishing, Ba
Solution Annealing
Daxun
Wooden Box + Strapping
OD 6.35mm-OD 1219mm
China
Product Description
| 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 | |
Daxun Alloys is your premier supplier of stainless steel tubing, adept at fulfilling a diverse range of pipe requirements. Our Type 304 stainless steel, an austenitic nickel alloy with minimal carbon content, is perfect for welding. Known as "18/8" stainless steel, it boasts 18% chromium and 8% nickel, ensuring exceptional strength, oxidation resistance, and formability. When faced with highly corrosive environments, our 304L stainless steel offers superior immunity against intergranular corrosion. Available in both seamless and welded forms, our 304 stainless steel pipes come in various diameters, with custom cutting services to meet precise length specifications. Daxun Alloys is your trusted source for stainless steel pipes-contact us today.
Stainless Steel Welded Tubes
Crafted from roll-formed stainless steel strip, our tubular products are fusion-welded along the longitudinal seam without any filler metal. Experience superior quality with Daxun's advanced welding process.
Daxun ensures rapid and timely delivery of 304 stainless steel pipe products. Our efficiency is backed by robust systems, from production capacity and information flow to logistics and capital flow. For instance, real-time order data integration with our logistics system, strategic location of processing centers near ports, and coordinated scheduling and storage operations guarantee on-time delivery.
Crafted from roll-formed stainless steel strip, our tubular products are fusion-welded along the longitudinal seam without any filler metal. Experience superior quality with Daxun's advanced welding process.
Daxun ensures rapid and timely delivery of 304 stainless steel pipe products. Our efficiency is backed by robust systems, from production capacity and information flow to logistics and capital flow. For instance, real-time order data integration with our logistics system, strategic location of processing centers near ports, and coordinated scheduling and storage operations guarantee on-time delivery.
Stainless Steel Drawn Tube
Our stainless steel tubular products undergo rolling and re-drawing to achieve final sizes. This process is ideal for producing thick-walled, large-diameter tubes, offering cost advantages over seamless tubes. All drawn tubes feature a bright annealed finish.
Our stainless steel tubular products undergo rolling and re-drawing to achieve final sizes. This process is ideal for producing thick-walled, large-diameter tubes, offering cost advantages over seamless tubes. All drawn tubes feature a bright annealed finish.
Daxun Advantages
- Varieties: We offer an extensive range of stainless steel pipes in various sizes and grades, including 304L, 316L, and more.
- Flexibility: Choose from seamless or welded steel pipes tailored to meet your specific project needs.
- Quality Standards: Our stainless steel pipes adhere to rigorous standards like ISO9001, ABS, NSF/ANSI Standard 61, and NACE MR0175, ensuring top-notch reliability and performance.
- Custom Orders: Need unique sizes? We provide a variety of stainless steel pipe customization options at competitive prices and easy online ordering.
Stainless Steel Seamless Tube
Our seamless tubes are drawn from hollow sections made via piercing or hot extrusion, ideal for high diameter-to-wall thickness ratios. They feature excellent external dimensional tolerances.
Our seamless tubes are drawn from hollow sections made via piercing or hot extrusion, ideal for high diameter-to-wall thickness ratios. They feature excellent external dimensional tolerances.
Quality, Delivery, Inspection
- At Daxun, we conduct extensive quality assurance tests including flattening, pitting and resistance, mechanical, hardness, material identification, and expansion tests, ensuring the suitability of materials for their intended applications.
- Throughout production, we meticulously measure the diameter, thickness, and surface of each product. Our standard delivery time is 7-15 days, extending to 20 days for special sizes.
Our delivery schedule strictly adheres to contractual agreements. - We support third-party agency inspections at our factory.
- We offer free samples for customer testing.
- We support on-site or video factory inspections.
Daxun Stainless Steel Pipe Manufacturing Capabilities
Our state-of-the-art forming capabilities include advanced extrusion and cold working technology for manufacturing tube and pipe products. We boast one of the world's largest pilger mills and a unique hydroforming process for precise fittings fabrication.
Unmatched Pipe Processing Capabilities from Daxun
As a vertically integrated manufacturer, Jiangsu Daxun Alloy Co., Ltd. offers a comprehensive one-stop service. Whether it's an entire project or a specific machining task, our extensive range of services includes Straightening, Drilling, Honing, Trepanning, Cutting, Testing, Boring, Machining, Laser Welding, Polishing, Turning, and Specialized Services.
Bigger, Better Pipe Solutions with Jiangsu Daxun Alloy Co., Ltd.
With vertical and horizontal presses ranging from 12,000 tons to 35,000 tons, Daxun offers the most comprehensive pipe extrusion capabilities globally. Our technology allows us to produce the longest lengths and largest diameter pipes in the industry.
Daxun proudly supplies the power generation market with essential components such as ductwork, boiler tubes, main steam tubes, thermal reheat tubes, and flue gas desulfurization units. Our products cater to nuclear, coal-fired, renewable energy, and combined cycle applications.
| 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 | - | - | - | - |
Mechanical Properties of 304 Stainless Steel Pipe
| 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 |
304 Stainless Steel Pipe: All Equivalent Options
| 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. | |||
Pioneering Stainless Steel Tube and Pipe Suppliers in China
GENERAL PROPERTIES
- 304/304L stainless steel pipe is renowned for its exceptional machinability and uniformity. This top-tier stainless steel pipe boasts superior corrosion resistance, extended lifespan, premium quality, and reduced overall cost of machined parts. DAXUN 304/304L remains non-magnetic when annealed but may exhibit slight magnetism after cold working or welding. Delivered in a meticulously solution-annealed state.
- Specifications : UNS S30400, UNS S30403
APPLICATIONS:
DAXUN 304/304L Stainless Steel shines in a multitude of residential and commercial applications, including:
- Chemical Process Equipment
- Food and Beverage Industry
STANDARDS:
- ASTM/ASME: UNS S30400 / S30403
- EURONORM: 1.4301 / 1.4307
CORROSION RESISTANCE:
- Daxun 304/304L is a versatile, general-purpose stainless steel offering robust resistance to atmospheric corrosion and a wide array of organic and inorganic chemicals, as well as food and beverages.
- Additionally, it is deployed in vacuum processing equipment and specialized instruments where high integrity is paramount.
HEAT RESISTANCE:
- Exhibits strong oxidation resistance in intermittent service up to 1600°F and in continuous service up to 1690°F.
- Continuous use of 304 in the 800-1580°F range is not recommended if subsequent aqueous corrosion resistance is crucial.
WELDING CHARACTERISTICS:
- Easily welded using the full range of conventional welding procedures, excluding oxyacetylene.
- AWS E308L/ER308L filler metal is recommended for use with Prodec 304/304L steel.
MACHINABILITY:
- Enables faster machining speeds, extended tool life, superior part quality, and reduced overall cost of machined components.
Discover the stainless steel tube that meets your needs right here.
- Daxun Alloy is your premier stainless steel pipe supplier in China. We are the trusted choice for domestic and international clients, thanks to our superior products, rapid delivery within China, and complimentary unlimited cutting. Order online or by phone and swiftly receive stainless steel pipes tailored to your specifications.
304 Grade Stainless Steel Pipe
- At Daxun Alloys, we provide an extensive selection of 304 and 304L grade stainless steel pipe products, including specialized 304 grade stainless steel pipes for plumbing.
- Stainless steel pipe finds extensive use in both commercial and industrial sectors, including fluid piping, automotive manufacturing, and construction. It is also widely favored for building construction.
- Grade 304 and 304L stainless steel possess a range of properties that make them ideal for diverse applications. Grade 304 is the most prevalent stainless steel, known for its excellent weldability, fine formability, and corrosion resistance. Our 304 grade pipe is available in both bright and satin finishes.
- Although grade 304L presents more machining challenges compared to grade 304, its enhanced corrosion resistance renders it highly suitable for demanding environments such as marine, coastal, and heavily industrialized areas.
Wide Selection of Dimensions and Complimentary Cutting Services
- Whatever your needs, Jiangsu Daxun Alloy Co., Ltd. has the perfect stainless steel tube for you. We offer 3m and 6m lengths, with diameters ranging from 3mm to 2000mm in Grade 304, and from ¾" to 20″ in Grade 304L. Our 304L Stainless Steel Pipe, ASTM A312, features high corrosion resistance and a polished surface, available in sizes from 0.3mm to 100mm.
- If you require a specific length, we provide a complimentary unlimited cutting service with each purchase. Utilizing state-of-the-art bandsaws, our precision cutting service can tailor the tube to your exact specifications. Simply inform us when placing your order. This is yet another reason why Jiangsu Daxun Alloy Co., Ltd. is a premier stainless steel tube supplier, serving both domestic and international customers with excellence.
