A312 A790 202 304 304L 304h T304 TP304 310 310S 316 316L 316h 316ti 317L 321 330 409 410 904L Super Duplex 2205 2507 254 Smo Al6xn 253mA Stainless Steel Pipe

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Product Description

Overview - Basic Information
Model NO.
Stainless steel pipe
Type
Seamless or Welded
Technique
Hot Rolled/Cold Drawn/Cold Rolled/ERW
Material
Stainless Steel
Surface
Polished
Section Shape
Round/Squ/Rec/Hex/Oct/Oval
Standards
ASTM A312 A790
Capacity
50,000 Tons/Year
Product Display
Stainless Steel Pipe Banner
202 Stainless Steel Pipe
202 Stainless Steel Pipe
Economical austenitic stainless steel pipe, showing superior performance in mildly corrosive environments. Made using precision cold rolling technology, with high surface finish, suitable for interior decoration, furniture manufacturing, and food processing.
304/304L Stainless Steel Pipe
304/304L Stainless Steel Pipe
Industrial-grade general-purpose pipes. Excellent formability and welding performance. The L-type low-carbon formula prevents welding carbides. Widely recognized in chemical equipment and heat exchange systems.
310/310S Stainless Steel Pipe
310/310S Stainless Steel Pipe
Specialized for high-temperature conditions. Chromium content up to 25% provides excellent antioxidant ability in environments up to 1150ºC. Ideal for industrial kiln components and radiation tubes.
316/316L Stainless Steel Pipe
316/316L Stainless Steel Pipe
Marine-grade corrosion-resistant pipes. Contains 2-3% molybdenum for strong pitting resistance in chloride environments. Preferred for shipbuilding and seawater desalination.
321 Stainless Steel Pipe
321 Stainless Steel Pipe
Titanium-stabilized austenitic pipe. Controls precipitation of chromium carbide, making it suitable for high-temperature range of 400-900ºC. Used in aircraft engine exhaust and petrochemical units.
410 Stainless Steel Pipe
410 Stainless Steel Pipe
Martensitic hardening practical pipe. Can obtain hardness up to 40HRC through heat treatment. Suitable for wear-resistant parts and pump valve components.
904L Stainless Steel Pipe
904L Stainless Steel Pipe
Super austenitic special pipe. 25% nickel content allows performance in strong corrosive media like sulfuric and phosphoric acid. Designed for chemical reactors and pharmaceutical equipment.
Duplex Steel 2205 Pipe
Duplex Steel 2205 Pipe
High-strength corrosion-resistant pipe. Yield strength ≥ 450MPa. Excellent stress corrosion resistance for submarine pipelines and oil and gas transportation.
Duplex Steel 2507 Pipe
Duplex Steel 2507 Pipe
Super duplex stainless steel with PREN value > 40. Ultimate solution for seawater hydraulic systems and high-pressure chemical pipelines.
Frequently Asked Questions
How to choose the applicable scenarios of different grades (such as 304L vs 316L)?
304/304L is for general purpose in mildly corrosive environments. 316/316L contains molybdenum for chloride ion corrosion, recommended for marine engineering. Duplex steel 2205/2507 is for high-pressure oil/gas systems, while 904L is designed for strong acid environments like sulfuric acid.
What is the minimum order quantity (MOQ)?
Conventional specifications (DN15-DN300): 500 meters/batch. Special materials like 904L or duplex steel: 200 meters/batch. Sample orders (≥20 meters) are supported for testing.
What is the rust prevention treatment? Is salt spray test supported?
Standard delivery is pickled and passivated (ASTM A380). 304/316 series support ≥72 hours neutral salt spray test, and duplex steel supports ≥200 hours. Optional electrolytic polishing (EP) is available.
How long is the delivery time for regular orders?
Standard stock specifications: Delivery within 7 working days. Customized specifications: 15-25 days depending on complexity. Expedited delivery is available with an additional fee.
Are processing supporting services provided?
Yes, services include laser cutting (tolerance ±0.1mm), bending/flaring (up to 180°), threading of pipe ends (GB/T7306), and customized wooden box packaging.
How to obtain samples and test reports?
Free sample sections ≤3 meters are available for conventional models. Samples are sent with a complete test document package. Special material samples may incur a cost that can be deducted from subsequent orders.

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