304L 304 Stainless Steel Tube ASME B36.19 High Strength φ 6.35mm-406mm for Oil Exploration 304 Stainless Steel Pipes

• Customization: Available
• Type: Stainless Steel Pipes
• Standard: ASTM, AISI, GB, JIS, EN
• Model NO.: 304 stainless steel pipe
• Certification: ISO, RoHS, IBR, AISI, ASTM, GB, EN, DIN, JIS
• Shape: Round
• Technique: Hot Rolled
• Surface Treatment: Pickling
• Thickness: 0.3mm-100mm
• Length: 2000mm-9000mm
• Surface: Pickling, Polishing, Ba
• Delivery State: Solution Annealing
• Transport Package: Wooden Box + Strapping
• Specification: OD 6.35mm-OD 1219mm
• Trademark: Daxun
• Origin: China
• Production Capacity: 10000ton

Product Description

Product Description

Product Parameters

 

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

 

Detailed Photos

Daxun Alloys prides itself on being the premier supplier of high-quality stainless steel tubing, tailored to meet a diverse range of piping demands. Our Type 304 stainless steel, an austenitic nickel alloy with ultra-low carbon content, excels in welding applications. Known also as '18/8' stainless steel due to its 18% chromium and 8% nickel composition, it boasts exceptional strength, remarkable oxidation resistance, superior formability, and moderate machinability. For applications demanding enhanced intergranular corrosion resistance, our 304L stainless steel offers superior performance in highly corrosive environments. Daxun Alloys supplies 304 stainless steel pipes in both seamless and welded forms, available in an extensive range of diameters. Our precision pipe-cutting services ensure your products meet exact length specifications. As specialists in stainless steel pipes, Daxun Alloys is your go-to source. Contact us today for unparalleled quality and service.

Premium Stainless Steel Welded Tubes

Our stainless steel tubular products, crafted from high-grade stainless steel strips, undergo roll-forming and precision fusion-welding along the longitudinal seam. Notably, Daxun employs a filler-free welding process, ensuring the utmost purity and strength of our welded tubes.

Daxun guarantees prompt and efficient delivery of 304 stainless steel pipe products. Our speed is backed by an integrated system that supports production capacity, information flow, logistics, and capital flow. For instance, real-time order data is seamlessly pushed to the logistics system, ensuring synchronized operations. Strategically located processing centers near ports and rivers, coupled with rational scheduling, rapid response, and efficient storage and transport linkage, ensure timely completion of every task.

 

Stainless Steel Drawn Tubes of Excellence

Our stainless steel tubular products are expertly rolled and re-drawn to achieve final size specifications. This rolling and drawing process is ideal for producing thick-walled, large-diameter tubes that cannot be directly rolled, offering significant cost savings over stainless steel seamless tubes. All our stainless steel drawn tubes undergo bright annealing to ensure superior quality.

Daxun's Unrivaled Advantages

• Extensive Varieties: From small to large diameter stainless steel pipes, we provide an extensive range of sizes and grades, including 304L, 316L, and more.
• Exceptional Flexibility: Whether you require seamless or welded steel pipes, our products can meet your specific project requirements with precision.
• Stringent Quality Standards: Our stainless steel pipes adhere to rigorous standards such as ISO9001, ABS, NSF/ANSI Standard 61, and NACE MR0175, ensuring unmatched reliability and performance.
• Custom Orders: Need special sizes of stainless steel pipes? We offer a wide array of customization options at competitive prices, with the convenience of online ordering.

 

Superior Stainless Steel Seamless Tubes

Our stainless steel seamless tubes, drawn from hollow sections created by piercing or hot extrusion processes, are perfect for applications requiring high diameter-to-wall thickness ratios, offering excellent external dimensional tolerances.

Uncompromising Quality, Timely Delivery, Meticulous Inspection

• Daxun conducts a battery of quality assurance tests, including flattening, pitting, resistance, mechanical, hardness, material positive identification, and expansion tests. Each test ensures the material's suitability for its intended application.
• Throughout production, we meticulously measure diameter, thickness, and surface quality. Our standard delivery time is 7-15 days, except for special size products, which may take up to 20 days.
  Our delivery schedule strictly adheres to contractual agreements.
• We support customer third-party agencies for factory inspections.
• We offer free samples to customers for rigorous testing.
• We facilitate both on-site and video factory inspections for customer convenience.

 

 

Daxun's Unmatched Stainless Steel Pipe Manufacturing Capabilities

Forming capabilities at Jiangsu Daxun Alloy Co., Ltd. include state-of-the-art extrusion and cold working assets for manufacturing tube and pipe products. Our facilities boast one of the world's largest pilger mills and utilize unique hydroforming processes to produce high-quality fittings.

 

Daxun's Unmatched Pipe Processing Capabilities

As a vertically integrated manufacturer, Jiangsu Daxun Alloy Co., Ltd. offers a comprehensive one-stop shop. We expertly handle projects of any scale, from complete project management to specific machining tasks. Our services include Straightening, Drilling, Honing, Trepanning, Cutting, Testing, Boring, Machining, Laser Welding, Polishing, Turning, and Specialized Services.

 

Bigger, Better Pipe Solutions from Daxun

With both vertical and horizontal presses ranging from 12,000 tons to 35,000 tons, Jiangsu Daxun Alloy Co., Ltd. boasts the most comprehensive pipe extrusion capabilities in the world. Our advanced technology allows us to manufacture the industry's longest lengths and largest diameter pipes.

 

Jiangsu Daxun Alloy Co., Ltd. supplies the power generation market with an array of superior products, including ductwork, boiler tubes, main steam tubes, thermal reheat tubes, and flue gas desulfurization units. Our offerings 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″

Packaging & Shipping

Company Profile

 

Chemical Composition of 304 Stainless Steel Pipe: Discover the impeccable blend of elements that make our 304 stainless steel pipes unparalleled in quality. Each component rigorously tested to ensure maximum durability and resilience.

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: Unveil the exceptional strength and flexibility of our 304 stainless steel pipes. Engineered to perfection, they deliver outstanding performance even under the most demanding conditions.

	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 - Explore the versatility and reliability of our 304 stainless steel pipes, perfectly suited for a myriad of applications. Trust in their superior standards and consistent excellence.

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.

 

Certifications

Leading stainless steel tube and pipe Suppliers in China

GENERAL PROPERTIES

• The 304/304L stainless steel pipe from Daxun Alloy is renowned for its uniformity and enhanced machinability. This versatile material offers superior corrosion resistance, extended lifespan, and exceptional quality, resulting in a lower overall cost of machined components. When annealed, DAXUN 304/304L is non-magnetic, though slight magnetism may develop after processes such as cold working or welding. Our product is delivered in a solution annealed state, ensuring optimal performance.
• Specifications : UNS S30400, UNS S30403

APPLICATIONS:

DAXUN 304/304L Stainless Steel is a versatile solution, perfect for a vast range of home 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 and general-purpose stainless steel offering excellent resistance to atmospheric corrosion, various organic and inorganic chemicals, and food and beverage products.
• This grade is also ideal for vacuum processing equipment and specialized instruments requiring impeccable integrity.

HEAT RESISTANCE:

• Offers robust oxidation resistance in intermittent service up to 1600°F and in continuous service up to 1690°F.
• For applications requiring high aqueous corrosion resistance, continuous use of 304 in the 800-1580°F range is not recommended.

WELDING CHARACTERISTICS:

• DAXUN 304/304L can be efficiently welded using the full range of conventional welding procedures, excluding oxyacetylene.
• AWS E308L/ ER308L filler metal is recommended for Prodec 304/304L steel.

MACHINABILITY:

• This stainless steel offers increased machining speeds, extended tool life, improved part quality, and reduced overall machining costs.

Find the stainless steel tube you need right here

• Daxun Alloy is a premier supplier of stainless steel pipes in China. We are the preferred provider for both domestic and international clients, thanks to our high-quality products, rapid delivery, and complimentary unlimited cutting services. Order online or by phone to receive stainless steel pipes tailored to your specifications swiftly.

304 grade stainless steel pipe

• At Daxun Alloys, we offer an extensive range of 304 and 304L grade stainless steel pipe products, including specialized piping for plumbing applications.
• Stainless steel pipes are extensively utilized in commercial and industrial settings, including fluid piping, automotive manufacturing, and construction, as well as in building applications.
• Grade 304 and 304L stainless steel are highly versatile, boasting properties that make them ideal for a wide array of applications. Grade 304 is the most commonly used stainless steel due to its excellent weldability, good formability, and substantial corrosion resistance. Our 304 grade pipes are available in both bright and satin finishes.
• Although grade 304L is more challenging to machine than grade 304, its superior corrosion resistance makes it particularly suitable for use in harsh environments such as marine, coastal, and heavily industrialized areas.

Wide choice of dimensions and free cutting

• Whatever your requirements, Daxun Alloys has the ideal stainless steel tube for you. We provide lengths of 3m and 6m, with diameters ranging from 3mm to 2000mm (Grade 304) and from ¾" to 20" (Grade 304L).
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