Super Duplex Seamless Pipe for General Corrosion Resistant Service in Multi Phase Flow and Erosive Wear Conditions

• Customization: Available
• Type: Seamless
• Technique: Cold Rolled
• Model NO.: 304
• Material: Stainless Steel
• Surface Treatment: Polished
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Round
• Length: 6m or as Required
• Certificate: CCS, ABS, GOST, Lr, Gl, BV, Dnv, Kr, Rina, Nkk
• Standard: GB, ASTM, AISI, JIS, DIN, En, GOST
• Grade: 300 Series, Duplex and Super Duplex Steel
• Transport Package: Plastic Wrapping, Bundling, Wooden Case
• Specification: customizable
• Trademark: xhxmat
• Origin: Zhejiang

Product Description

Super Duplex & Duplex Stainless Steel Seamless Pipes offer exceptional corrosion resistance, particularly against chlorides, acids, and sour (H2S-containing) environments, combined with outstanding mechanical strength - significantly superior to standard austenitic grades. These pipes leverage a dual-phase microstructure (austenite and ferrite) enhanced by key alloying elements like Chromium, Molybdenum, and Nitrogen. Manufactured through a seamless process ensuring structural integrity and uniform properties, they excel in demanding applications such as offshore and subsea oil & gas systems, chemical processing, desalination plants, high-pressure piping, and demanding pressure vessels. Their high strength-to-weight ratio, excellent stress corrosion cracking resistance, and proven durability under extreme conditions make them a critical engineering solution where performance and longevity are paramount. Stringent quality control guarantees reliability.
 

 

Product Parameters

 

Item	Super Duplex & Duplex Stainless Steel Seamless Tube/Pipe
Standard	ASTM A213,A312,ASTM A269,ASTM A511,ASTM A790,ASTM A789,DIN 17456, DIN17458,JIS G3459,JIS G3463,GOST9941,EN10216, EN10305,BS3605,GB/T 14975; GB/T 14976; GB 13296; GB5310; GB9948
Material	Duplex and Super Duplex Steel: S31803, S32205, S32750, S32760,S31500, S32001, S32003, S32304
Surface	Polishing,annealing,pickling,bright
Shape	Round Pipe/Tube
Type	Cold rolled
Application	Heat Exchanger, Chemical & Petro-chemical, Onshore & Offshore Oil & Gas, Power Plant, Ship building, Pulp & Paper, Pharmaceutical
size	Length	6m or Customized
	Outer diameter	OD: 12mm~610mm
Delivery time	Prompt delivery or as the order quantity.
Package	Standard export seaworthy package,or as required