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309S Stainless Steel Pipe AMS 5569 Heat Resistant Od 19mm-323.9mm Bright for Natural Gas Pipelines 309 Stainless Steel Tube

Name: 309S Stainless Steel Pipe AMS 5569 Heat Resistant Od 19mm-323.9mm Bright for Natural Gas Pipelines 309 Stainless Steel Tube
Brand: Jiangsu Daxun Alloy Co., Ltd.
SKU: HwXajITOkDfF
Price: 3.00 USD
Availability: InStock

US$3.00-4.00 100 kg (MOQ)

Port:

Shanghai, China

Production Capacity:

10000ton

Payment Terms:

L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Jiangsu Daxun Alloy Co., Ltd.

Jiangsu, China

Last Login Date:

Jun 26, 2025

Business Type:

Manufacturer/Factory, Trading Company

Main Products:

Stainless Steel Sheet, Stainless Steel Tube, Stainless Steel Rod, Stainless Steel Coil, Titanium Sheet, Titanium Tube, Titanium Rod

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Product Description

Company Info

Basic Info.

Model NO.

309 Stainless Steel Tube

Type

Stainless Steel Pipes

Standard

ASTM, AISI, GB, JIS, EN

Grade

Ss09 S30908 309S

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

Trademark

Daxun

Transport Package

Wooden Box + Strapping

Specification

OD 6.35mm-OD 1219mm

Origin

China

Product Description

Product Parameters

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

Detailed Photos

The 309, 309S, and 309H grades of chromium-nickel austenitic stainless steel pipes are specially engineered for high-temperature environments. These variants excel in oxidation, heat, and corrosion resistance due to their elevated chromium and nickel content. Their exceptional strength is maintained across a broad temperature spectrum. The primary distinction between 309 and 309S stainless steel pipes lies in their carbon content. The 309S variant features reduced carbon, resulting in minimized carbide precipitation and enhanced weldability. Similarly, 309H differentiates itself with a higher carbon content than 309, which significantly boosts its creep resistance.

Stainless Steel Welded Tubes

Our stainless steel tubular products are expertly crafted from stainless steel strips, roll-formed, and fusion-welded along the longitudinal seam. Daxun employs an advanced welding process that excludes the use of any filler metal, ensuring superior quality and consistency.

309 Stainless Steel Tube Features

Exceptional corrosion resistance
Superior resistance to marine atmospheres compared to Alloy 304
Ideal for high-temperature applications due to their remarkable oxidation resistance
Exhibits high resistance to sulfite liquors
Recognized as heat-resistant alloys
Destructive scaling temperature is approximately 2000^oF
Offers excellent scaling resistance in both continuous and intermittent service

Stainless Steel Drawn Tube

Our stainless steel tubular products undergo rolling and subsequent re-drawing to achieve their final dimensions. This method is perfect for producing thick-walled, large-diameter tubes that can't be directly rolled to size, providing cost savings over seamless tubes. All our drawn tubes are bright annealed for superior finish.

Daxun Advantages

Variety: Whether you need small or large diameter pipes, our vast selection includes grades such as 304L, 316L, 317L, 321, 309, 347, 2205, and more.
Flexibility: Offering both seamless and welded steel pipes, we ensure our products meet your specific project requirements with precision.
Quality
Standards: Our pipes conform to rigorous standards like ISO9001, ABS, NSF/ANSI Standard 61, and NACE MR0175, guaranteeing top-tier reliability and performance.
Custom Orders: Need unique sizes? We provide a variety of custom stainless steel pipe options at competitive prices with convenient online ordering.

Stainless Steel Seamless Tube

Our seamless tubes are derived from hollow sections created through piercing or hot extrusion processes. These tubes are ideal for applications requiring large diameter-to-wall thickness ratios and boast exceptional external dimensional tolerances.

Quality, Delivery, Inspection

Daxun ensures top-quality assurance through stringent tests, including flattening, pitting and resistance, mechanical, hardness, material positive identification, and expansion tests. These rigorous evaluations confirm that our materials meet the highest application standards.
Throughout our production process, we meticulously measure the diameter, thickness, and surface quality of our products. Our standard delivery time ranges from 7-15 days, extending up to 20 days for special size orders.
We strictly adhere to agreed-upon delivery schedules as per the contract.
We welcome third-party inspections and support customer-appointed agencies for factory visits.
We provide free samples to customers for testing purposes.
We offer both on-site and video factory inspections for customer convenience.

Daxun Stainless Steel Pipe Manufacturing Capabilities

Our superior forming capabilities are fueled by state-of-the-art extrusion and cold working technologies, including one of the world's largest pilger mills and unique hydroforming processes. These advanced techniques enable us to manufacture top-quality tube and pipe products, as well as highly specialized fittings.

Daxun's Comprehensive Pipe Processing Capabilities: Setting the Standard in Precision Engineering

As a vertically integrated manufacturer, Jiangsu Daxun Alloy Co., Ltd. is your one-stop solution. We excel in handling everything from entire projects to specific machining jobs, offering a wide array of services including straightening, drilling, honing, trepanning, cutting, testing, boring, machining, laser welding, polishing, turning, and other specialized services.

Innovative and Superior Pipe Solutions for Diverse Applications

Equipped with vertical and horizontal presses ranging from 12,000 tons to 35,000 tons, Daxun boasts the most comprehensive pipe extrusion capabilities globally. Our advanced facilities enable us to manufacture the industry's longest lengths and largest diameter pipes, meeting the most demanding specifications.

Daxun proudly supplies the power generation market with critical components, including ductwork, boiler tubes, main steam tubes, thermal reheat tubes, and flue gas desulfurization units. Our products support a variety of applications in nuclear, coal-fired, renewable energy, and combined-cycle power generation.

Packaging & Shipping

Company Profile

The 309 stainless steel pipe from Jiangsu Daxun Alloy Co., Ltd. boasts a meticulously refined chemical composition, ensuring unparalleled quality and performance.

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

Our 309 stainless steel pipe features exceptional mechanical properties, showcasing superior strength and durability to meet the most demanding industrial applications.

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)

The 309 stainless steel welded pipe, crafted to ASTM A312 standards, offers a pickling surface and high heat resistance, making it the ideal choice for challenging environments. PHYSICAL PROPERTIES

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

Certifications

Address: B108, No. 32-1, Chengnan Road, Xinwu District, Wuxi, Jiangsu, China

Business Type: Manufacturer/Factory, Trading Company

Business Range: Metallurgy, Mineral & Energy

Management System Certification: ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000, OHSAS/ OHSMS 18001, IATF16949, HSE, ISO 14064, QC 080000, GMP, BSCI, BRC, SA 8000, QHSE, HACCP, ISO 13485, EICC, ANSI/ESD, SEDEX, ISO 22000, AIB, WRAP, GAP, ASME, ISO 29001, HQE, IFS

Main Products: Stainless Steel Sheet, Stainless Steel Tube, Stainless Steel Rod, Stainless Steel Coil, Titanium Sheet, Titanium Tube, Titanium Rod

Company Introduction: Founded in 2003, Daxun Alloy is a leading global metal material manufacturer. Headquartered in Wuxi, China, the company has multiple production bases and sales offices around the world. Daxun Alloy focuses on the development, production and sales of various stainless steels, titanium alloys, high-temperature alloys, etc. For general industry, construction, aerospace, energy, chemical industry, medical and other fields.

China, Daxun Metal Group is a global vertically integrated metal material manufacturer and stockist. Daxun can provide finished products and customized full-process services and professional technical services. Currently, the group has 600 employees and covers a total area of 130, 000 square meters. Daxun has a standing inventory of 50, 000 tons of stainless steel, 5, 000 tons of nickel-based alloys, and 2, 000 tons of pure titanium and titanium alloys. The main product forms are metal plates, metal coils, metal pipes, and metal bars. The metal materials produced by Daxun are market leaders for marine, energy, military, general industrial and aerospace applications. In addition, the company also produces seamless pipes, plates, forgings and other metal materials for power generation and oil and gas applications; Commercial and military alloy products; And metal alloys and other metal products for the forging industry.

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309S Stainless Steel Pipe AMS 5569 Heat Resistant Od 19mm-323.9mm Bright for Natural Gas Pipelines 309 Stainless Steel Tube

Product Description

Company Info

Basic Info.

Product Description

309 Stainless Steel Tube Features

Daxun Advantages

Quality, Delivery, Inspection

Daxun Stainless Steel Pipe Manufacturing Capabilities

Daxun's Comprehensive Pipe Processing Capabilities: Setting the Standard in Precision Engineering

Innovative and Superior Pipe Solutions for Diverse Applications

Hot Searches

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