321 Stainless Steel Tube AMS 5562 High Corrosion Resistance Od 6.35mm-323.9mm Industrial for Ship Pipes 321 Stainless Steel Pipe

• Customization: Available
• Type: Stainless Steel Pipes
• Standard: ASTM, AISI, GB, JIS, EN
• Model NO.: 321 Stainless Steel pipe
• Grade: Ss321 S32100 321
• 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

 

WERKSTOFF NR.1.4541 SS 321 Specification	Stainless Steel 321, ASTM A312 TP 321 SS
DIN 1.4541 SS 321 Pipe	321 Stainless Steel Pipe
SS 321 Seamless Pipe Size	4 to 630mm W. T.: 0.5 to 50mm
321L Stainless Steel Welded Pipe Size	5.0 mm - 1219.2 mm
SS UNS S32103 EFW Pipe size	5.0 mm - 1219.2 mm
ASTM A312 Stainless Steel Pipe Swg & Bwg	10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg.
SA312 TP321 Pipe Schedule	SCH5, SCH10, SCH10S, SCH20, SCH30, SCH40, SCH40S, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
DIN 1.4541 SS 321 Swg & Bwg	10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg.
321l Stainless Steel Tube wall thickness	0.020″ -0.220″, (special wall thicknesses available)
321 Steel Length	Single Random, Double Random, Standard & Cut length Pipe & Tube
ASTM A312 TP 321 Stainless Steel Finish	Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF
UNS S32100 Form	Round, Hydraulic, 'U' bent or Hollow,LSAW, Boiler, Straight Pipe, Clad Pipe, Rectangular, Square Pipe Etc
Stainless Steel 321 Type	Welded, Seamless, ERW, EFW, Fabricated Pipe, 'U' bent or Hollow, Hydraulic, LSAW, Boiler, Straight Tube, Tube Coil, Round, Rectangular, Square Tube etc
321 Steel End	Plain End, Beveled End, Treaded Pipe
SS 321 Marking	All 321l Stainless Steel Pipe are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer's request.)
ASTM A 358 SS 321 Application	Oil Pipe & Tube, Gas Pipe & Tube, Fluid Pipe & Tube, Boiler Pipe & Tube, Heat exchanger Tube
ASTM A312 TP 321 SS Value Added Service	Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc.
ASTM A 312 SS 321 Specialize in	Alloy 321 Large Diameter Pipe
	WERKSTOFF NR.1.4541 SS 321 Capillary Tube
	SS TP321 Heat Exchanger &
	TP321 SS Condenser Tube
SS TP321 Test Certificate	Manufacturer Test Certificate
	Laboratory Test Certificate from Govt. Approved Lab.
	Under Third Party Inspection
Manufacturers of 321 Stainless Steel Pipe	Baosteel Stainless Steel
	Taigang Stainless Steel
	Qingshan Stainless Steel
	ATI of the United States
	Nippon Steel
	Posco of South Korea
Marking	All 321 Stainless Steel tubes are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer's request.)
321/321H 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

 

Detailed Photos

Discover the premier supplier of ASTM A312 / A358 Stainless Steel 321 Pipe. We offer both 321 and 321H Stainless Steel Seamless Pipes. Reach out to us for your ASME SA312 321 Stainless Steel Pipe needs and experience unmatched quality.

Type 321 stainless steel is a high-performing austenitic steel, boasting remarkable attributes similar to Type 304, but with enhanced qualities due to its increased titanium and carbon content. This steel provides superior resistance to corrosion and oxidation, making it an excellent choice for challenging environments. Titanium in 321 stainless steel offers numerous advantages: it prevents harmful carbide precipitation in the heat-affected zone (HAZ) of the weld, offers partial protection against intergranular corrosion, and reduces embrittlement in high-risk weld areas. Ideal for high-temperature applications (800°F-1500°F) in corrosive atmospheres, 321 stainless steel contains more nickel and is stabilized with titanium, which interacts preferentially with carbon to prevent chromium carbides formation at grain boundaries. This stabilization preserves corrosion resistance by minimizing chromium consumption near grain borders during critical temperature exposures. Type 321 is highly weldable, hardens with cold working, and rarely requires post-weld annealing, ensuring exceptional performance in diverse corrosive conditions.

Stainless Steel Welded Tubes

Our premium stainless steel tubular products, crafted from stainless steel strip, are meticulously roll-formed and fusion-welded along the longitudinal seam. At Daxun, we ensure excellence by avoiding any filler metal during our superior welding process.

Quick response

• Exceptional formability and weldability
• Operates efficiently at temperatures up to 900°C
• Resistant to acids, alkalis, and low temperatures
• Responds excellently to cold work hardening
• Superior welding characteristics
• Outstanding corrosion resistance
• High creep and stress rupture properties. Grade: AISI 321/321H-S32100

 

Stainless Steel Drawn Tube

Our stainless steel tubular products are precisely rolled and then re-drawn to the final size, ideal for producing thick-walled, large-diameter tubes that ensure cost efficiency over seamless tubes. All our drawn tubes undergo bright annealing for impeccable finish and performance.

Daxun Advantages

• Variety: We offer an extensive range of stainless steel pipes in various sizes and grades, including 304L, 316L, 317L, 321, 310, 347, 2205, and more, catering to all your project needs.
• Flexibility: Whether you require seamless or welded steel pipes, our products are tailored to meet your specific project demands, ensuring flexibility and precision.
  Quality
• Standards: Our stainless steel pipes adhere to stringent standards, including ISO9001, ABS, NSF/ANSI Standard 61, and NACE MR0175, guaranteeing reliability and superior performance.
• Custom Orders: Seeking special-sized stainless steel pipes? We offer a wide range of customization options at competitive prices, with convenient online ordering to meet your unique requirements.

 

Stainless Steel Seamless Tube

Our stainless steel tubular products are drawn from hollow sections made through piercing or hot extrusion processes. Stainless steel seamless tubes are ideal for large diameter-to-wall thickness ratios, offering excellent external dimensional tolerances.

Quality, delivery, inspection

• At Daxun, we conduct extensive quality assurance tests, including flattening, pitting, resistance, mechanical, hardness, material positive identification, and expansion tests. These rigorous evaluations ensure our materials meet your exacting application requirements, delivering unparalleled quality and reliability.
• During the meticulous production process at Jiangsu Daxun Alloy Co., Ltd., we meticulously measure the diameter, thickness, and surface quality of our products to ensure unparalleled precision. Our standard delivery time is an efficient 7-15 days. However, for unique dimension requirements, the delivery period extends to a maximum of 20 days, ensuring bespoke solutions for every need.
  Our delivery commitments are unwavering and adhere strictly to the terms stipulated in the contract, ensuring reliability and trust.
• We encourage transparency and confidence by supporting customer-designated third-party agencies to conduct thorough inspections at our state-of-the-art factory.
• We offer complimentary samples to our valued customers, enabling them to rigorously test and validate our high-quality products before making a commitment.
• To further assure our clients, we support comprehensive on-site or video factory inspections, showcasing our advanced production facilities and stringent quality control measures.

 

 

Daxun stainless steel pipe manufacturing capabilities: Discover the unparalleled expertise and advanced technological capabilities that define Jiangsu Daxun Alloy Co., Ltd. in the stainless steel pipe manufacturing industry.

Our forming capabilities at Daxun are second to none, featuring cutting-edge extrusion and cold working assets. We boast one of the world's most extensive pilger mills and utilize unique hydroforming processes to create superior fittings, ensuring top-tier quality and precision in every product.

 

Daxun's pipe processing capabilities: At Jiangsu Daxun Alloy Co., Ltd., our comprehensive pipe processing services are designed to meet the diverse needs of our clients with exceptional precision and efficiency.

As a vertically integrated manufacturer, we at Daxun offer a seamless one-stop solution, capable of handling any project scale with mastery. Our extensive services include Straightening, Drilling, Honing, Trepanning, Cutting, Testing, Boring, Machining, Laser Welding, Polishing, Turning, and Specialized Services, all executed to perfection.

 

Bigger, Better Pipe Solutions: At Jiangsu Daxun Alloy Co., Ltd., we provide superior pipe solutions that redefine industry standards, delivering exceptional performance and reliability.

With an unparalleled range of vertical and horizontal presses from 12,000 tons to an astounding 35,000 tons, Daxun holds the title for the most comprehensive pipe extrusion capabilities globally. This enables us to manufacture the industry's longest and largest diameter pipes, setting new benchmarks in pipe production.

 

Daxun supplies the power generation market with an array of essential products including ductwork, boiler tubes, main steam tubes, thermal reheat tubes, and flue gas desulfurization units. These are designed for nuclear, coal-fired, renewable energy, and combined cycle applications, ensuring robust and reliable performance across the board.

Packaging & Shipping

Company Profile

 

Chemical composition of 321 stainless steel pipe

Composition 321/321H Pipe and Tubing
Grade	321	321H
UNS Designation	S32100	S32109
Carbon (C) Max.	0.08	0.04-0.10
Manganese (Mn) Max.	2	2
Phosphorous (P) Max.	0.04	0.04
*** (S) Max.	0.03	0.03
Silicon (Si) Max.	0.75	0.75
Chromium (Cr)	17.0-20.0	17.0-20.0
Nickel (Ni)	9.0-12.0	9.0-12.0
Molybdenum (Mo)	-	-
Nitrogen (N)	0.1 Max.	0.1 Max.
Iron (Fe)	Bal.	Bal.
Other Elements	Ti=5(C) to 0.70%	Ti=4(C) to 0.60%

 

Mechanical properties of 321 stainless steel pipe

Physical Properties of 321/321H Alloys in the Annealed Condition at -20°F to +100°F
			Tensile Strength			Yield Strength
Alloy	UNS Designation	Spec.	psi	MPa	ksi	psi	MPa	ksi	Elongation in 2 inches (min.) %	Grain Size Req.	Maximum Harndess	Modulus of Elasticity (x106 psi)	Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6)	Thermal Conductivity (BTU-in/ft2-h-°F)
321	S32100	-	75,000	515	-	30,000	205	-	35	-	-	29	9.2	-
321H	S32109	-	75,000	515	-	30,000	205	-	35	7 or coarser	-	29	9.2	-

 

321 stainless steel pipe ALL EQUIVALENT

Grade	UNS No	Old British		Euronorm		Swedish SS	Japanese JIS
		BS	En	No	Name
321	S32100	321S31	58B, 58C	1.4541	X6CrNiTi18-10	2337	SUS 321
321H	S32109	321S51	-	1.4878	X10CrNiTi18-10	-	SUS 321H

 

Certifications

Premier Suppliers of Stainless Steel Tubes and Pipes in China

GENERAL PROPERTIES

• The 321 Stainless Steel Pipe (UNS S32100) is a titanium-stabilized, austenitic stainless steel known for its exceptional overall corrosion resistance. It boasts superior resistance to intergranular corrosion, even after exposure to the chromium carbide precipitation temperature range of 800 - 1500°F (427 - 816°C). This alloy resists oxidation up to 1500°F (816°C) and offers better creep and stress rupture properties than its 304 and 304L counterparts. Additionally, it exhibits excellent low-temperature toughness.
• The 321H Stainless Steel Tube (UNS S 32109) is a high carbon version of this alloy (0.04 - 0.10), specifically designed to enhance creep resistance and strength at temperatures over 1000°F (537°C). Often, the carbon content of the plate allows for dual certification.
• Alloy 321 can only be toughened through cold working, not by heat treatment. It is readily weldable and can be processed using conventional shop fabrication techniques.

COMMON APPLICATIONS

• Aerospace - Piston Engine Manifolds
• Chemical Processing
• Expansion Joints
• Food Processing - Equipment and Storage
• Petroleum Refining - Polythionic Acid Service
• Waste Treatment - Thermal Oxidizers

ASTM/ASTE : UNS S32100

CORROSION RESISTANCE

• Exhibits good general corrosion resistance comparable to 304.
• Engineered for use in the chromium carbide precipitation range of 1800 - 1500°F (427 - 816°C).
• Suitable for use in most diluted organic acids at moderate temperatures.
• Effective in pure phosphoric acid at lower temperatures.
• Can be used in up to 10% diluted solutions at elevated temperatures.
• Resists polythionic acid stress corrosion cracking in hydrocarbon service.
• Applicable in chloride or fluoride-free caustic solutions at moderate temperatures.
• Not recommended for use in chloride solutions, even in small concentrations, or in sulfuric acid service.

PROCESSING

Alloy 321/H is easily weldable and can be processed by conventional fabrication practices.

HOT FORMING

• Recommended working temperatures for forging, upsetting, and other hot working processes are 2100 - 2300°F (1149 - 1260°C).
• Not suitable for work at temperatures below 1700°F (927°C).
• Material must be water quenched or fully annealed post-working to restore maximum corrosion resistance.

COLD FORMING

• Highly ductile and easily formable.

WELDING

• Easily welded by most standard processes.
• Post-weld heat treatment is unnecessary.

MACHINING

• The hardening rate of 321 makes it less machinable than 410 stainless steel but similar to 304.

Why choose Stainless Steel Pipe 321, 321H, UNS S32100, UNS S32109, WNR 1.4541, WNR 1.4878 stainless steel pipes and tubes manufactured by Daxun?

• Short Lead Time - Experience unparalleled speed in receiving high-quality 321/321H Stainless Steel Pipes and Tubes from Jiangsu Daxun Alloy Co., Ltd. We pride ourselves on delivering swift services to our valued clients.
• Customized Sizes: Tailor-made for your needs, we offer the flexibility to process Stainless Steel 321/321H Tubes into both standard and non-standard sizes, ensuring you get exactly what you require.
• Best Prices: Enjoy industry-leading competitive pricing on our premium 321/321H Stainless Steel Pipes, making top-tier quality accessible for all.
  Quality Products: At Jiangsu Daxun Alloy Co., Ltd., we guarantee the unparalleled quality of our SS 321/321H Pipes and Tubes, adhering to the highest standards at all costs.
  Full Certifications: Our products are accompanied by full certification, including Mill TC, Test Reports, and Hydrostatic Tests from NABL-approved laboratories, ensuring complete peace of mind.
• Fittings and Flanges: As a leading manufacturer, we provide a comprehensive range of 321 Forged Fittings, 321 Butt Weld Fittings, 321 Compression Ferrule Fittings, and 321/321H Flanges, offering the convenience of fulfilling all your needs with a single, reliable vendor.

Features it possesses

• Our SS321/SS321H stainless steel welded pipes, crafted from pure stainless steel alloy, boast an array of exceptional properties. These include remarkable durability, flexibility, toughness, extended service life, high tensile strength, precise dimensional accuracy, and a superior surface finish. Additionally, they offer enhanced resistance to pitting, corrosion, oxidation, stress corrosion cracking, and crevice corrosion.

Testing

• Our rigorous testing regimen includes Positive Material Identification Test, Intergranular Corrosion Test, Pitting Resistance Test, Mechanical Test, Chemical Test, Macro/Micro Test, Flattening/Flaring Test, ensuring utmost reliability and performance.

Documents provided-

• We provide essential documentation such as the Heart Treatment Chart, Quality Assurance Plan, Commercial Invoice, Certificate of Origin, Raw Material Test Report, and Material Traceability Report. Additionally, we supply MTC as per EN 10204/3.1B, TC including Radiography Test Report, and Third-Party Test Reports, ensuring transparency and traceability for our buyers.