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A789 Uns S31803 Duplex Stainless Steel Pipe UNS S31803 The precipitation hardening nickel-chromium alloy containing niobium and molybdenum has high strength, good toughness, and corrosion resistance in high and low temperature environment at 700°C. The delivery state can be solution treatment or precipitation hardening. Chemical Component%: Si C Ni Nb Cr Mo Ti Co ≤3.3 ≤0.35 50~55 0.6~4.75 17~21 2.8~3.3 0.7~5.5 ≤0.8 Large-scale long-life plastic injection molds, such as home

ASTM A790 Super Duplex 2507 Pipes and Tubing 2507 is a ferritic austenite (duplex) stainless steel with excellent resistance to pitting corrosion, crevice corrosion and uniform corrosion. Diameter 6mm~860mm Wall Thickness 0.5mm~80mm Length Any length between 1~15 meters, will be customized Standard ASME SA213, A312, A269, A688, A789, A790, EN 10216-5 etc. Surface Pickled surface, or bright annealed surface, will be customized Other Materials 304, 304L, 316, 316L, 317, 317L,

2205 super duplex stainless steel pipe Electric-fusion-welded Steel Pipe for corrosive service. Grade: S31200, S31260, S31500, S31803, S32003, S32205, S32304, S32550, S32750, S32900, S32950, S32760, S32520 Manufacture: Welding, the joints are fully penetration double-welded or single-welded Five Classes of pipes are covered : Class 1 - Pipes shall be double welded by processes using filler metal in all passes and shall be radiographed completely Class 2 - Pipes shall be

ASTM A789 UNS S32750 Super Duplex 2507 Pipe​ Electric-fusion-welded Steel Pipe for corrosive service. Grade: S31200, S31260, S31500, S31803, S32003, S32205, S32304, S32550, S32750, S32900, S32950, S32760, S32520 Manufacture: Welding, the joints are fully penetration double-welded or single-welded TABLE 1 Heat Treatment UNS Designation GradeA Temperature,°F[°C] Quench S31200 … 1920-2010[1050-1100] Rapid cooling in water S31260 … 1870-2010[1020-1100] Rapid cooling in water

SA 790 UNS S32750 S32760 Pipe Super Duplex Tubing Duplex stainless steel pipes have good welding performance and are widely used in petrochemical equipment, seawater and wastewater treatment equipment, oil and gas pipelines, paper machinery and other industrial fields. In recent years, duplex stainless steel tubes have also been studied for use in the field of bridge load-bearing structures. Standard: ASTM A789; ASTM A790; EN 10216-5 ect. Material: S32205, S31803, S32304,

ASTM A789 UNS S31803 Duplex Stainless Steel Tube S31803 duplex stainless steel is composed of 21% chromium, 2.5% molybdenum and 4.5% nickel nitrogen alloy. It has high strength, good impact toughness and good overall and local stress corrosion resistance. Main uses of S31803 stainless steel pipe: Neutral chloride environment / oil refining industry / petrochemical and chemical industry / pipeline for chemical industry / oil and natural gas industry / pulp and paper industry /

UNS DesignationCSiMnPSCrNiMoNCumaxmaxmaxmaxmaxS31803 ( F51 )0.03120.030.0221.0 - 23.04.5 - 6.52.5 - 3.50.08 - 0.20-S32205 ( F60 )0.03120.030.0222.0 - 23.04.5 - 6.53.0 - 3.50.14 - 0.20-S32750 ( F53 )0.030.81.20.0350.0224.0 - 26.06.0 - 8.03.0 - 5.00.24 - 0.320.5 maxS32760 ( F55 )0.05110.030.0124.0 - 26.06.0 - 8.03.0 - 4.00.20 - 0.300.50 -1.00 Duplex Stainless Steel Pipe 2205 Steel Grade Seamless Duplex Tube Product Name: Duplex Stainless Steel Pipe 2205 Steel Grade Seamless

A789 UNS S31803 Super Duplex 2507 Oil Gas Stainless Pipe Coiled Tubing Manufacture: Pipes shall be made by the seamless process and shall be either hot finished or cold finished. Application: high pressure pipe line, heat exchanger(chemical processing industry), oil and gas pipeline Size Range: OD:21.3-711mm WT: SCH5/SCH10/SCH40/SCH80/SCH160/XXS(1.65mm-30.75mm) Length: max 12000mm Superior Surface Finish: The traditional annealing: Open furnace---Oxygen atmosphere---form

A790 Duplex Stainless Steel Grades Pipes The duplex material is a kind of ferrite - austenitic duplex stainless steel,which is integrated conducive properties both of ferrite and austenitic and provided with higher intensity as well as tenacity. Delivery Condition: 1.Annealed and Pickled 2.Bright and Annealed 3.Annealed and Pickled+Polishing 4.Bright and Annealed+Polishing Available Size: O.D 6-219.1mm W.T 0.5-12.7mm L 20 meter Max ASTM /ASME A789/SA789 ; ASTM /ASME A790