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ASTM A790 UNS S31803 Duplex Steel Pipe and tube/ Seamless and Welded

Uns S31803 Pipe Suppliers, We stock and Supply Duplex S31803 Rectangular and Square pipe in various size, check Duplex S31803 Seamless Tube Specification. ASTM A790 S31803 Pipe ASTM A790 UNS S31803 Pipe Detailed description Standard: JIS, ANSI, ASTM, GB, DIN, EN Place of Origin: ShangHai, China (Mainland) Brand Name: C&N HuiTong Model Number: seamless and welded Steel Grade: UNS32750 Application: Oil and gas industry equipment.Chemical process industries Certification: SGS、TUV Thickness: SCH10S to SCHXXS Outer Diameter: DN15 ~DN1200 Description of Super Duplex Stainless Steel: Super Duplex Stainless Steel is a highly alloyed, good performance duplex steel with a pitting resistance. Super duplex offers good resistance to pitting and crevice corrosion.Super duplex is suited for use in aggressive environments. It has good resistance to stress corrosion cracking in chloride and sour environments…

  • Product Details

Uns S31803 Pipe Suppliers, We stock and Supply Duplex S31803 Rectangular and Square pipe in various size, check Duplex S31803 Seamless Tube Specification.

Detailed description

  • Standard: JIS, ANSI, ASTM, GB, DIN, EN
  • Place of Origin: ShangHai, China (Mainland)
  • Brand Name: C&N HuiTong
  • Model Number: seamless and welded
  • Steel Grade: UNS32750
  • Application: Oil and gas industry equipment.Chemical process industries
  • Certification: SGS、TUV
  • Thickness: SCH10S to SCHXXS
  • Outer Diameter: DN15 ~DN1200

Description of Super Duplex Stainless Steel:

Super Duplex Stainless Steel is a highly alloyed, good performance duplex steel with a pitting resistance. Super duplex offers good resistance to pitting and crevice corrosion.Super duplex is suited for use in aggressive environments. It has good resistance to stress corrosion cracking in chloride and sour environments and has good resistance to erosion corrosion and corrosion fatigue.

Application:

Oil and gas industry equipment.

Offshore platforms, heat exchangers, process and service water systems, fire – fighting systems, injection and ballast water system.

Chemical process industries, heat exchangers, vessels, and piping.

Desalination plants, high pressure RO – plant and seawater piping.

Mechanical and structural components, high strength, corrosion – resistant parts.

power industry FGD systems, utility and idustrial scrubber systems, absorber towers, ducting, and piping.

Chemical composition%

CCrNiMoNOthers
0.0202574.027S=0.001
Pren= (Cr%)+3.3 (Mo%)+16 (N%) not less than 40

Mechanical Performance:

Ultimate Tensile Strength, Ksi116min
0.2%Offset Yield Strength 0.2%, Ksi80min
0.1%Offset Yield Strength 0.2%, Ksi91min
Elongation in 2 inches, %15 min
Hardness Rockwell C32 max
Impact Energy, ft. – lbs.74min

Low Temperature Impact Properties:

Temperature 0FRT34– 4– 40
Ft – lbs162162155140
Temperature 0F– 76– 112– 148– 320
Ft – lbs11044307

Elevated temperature Tensile Properties:

Temperature 0F68212302392482
0.2%Offset Yield Strength, Ksi8065615855
Ultimate Tensile Strength, Ksi116101989594

Chemical composition%

CCrNiMoNOthers
0.0202574.027S=0.001
Pren= (Cr%)+3.3 (Mo%)+16 (N%) not less than 40

Mechanical Performance:

Ultimate Tensile Strength, Ksi116min
0.2%Offset Yield Strength 0.2%, Ksi80min
0.1%Offset Yield Strength 0.2%, Ksi91min
Elongation in 2 inches, %15 min
Hardness Rockwell C32 max
Impact Energy, ft. – lbs.74min

Low Temperature Impact Properties:

Temperature 0FRT34– 4– 40
Ft – lbs162162155140
Temperature 0F– 76– 112– 148– 320
Ft – lbs11044307

Elevated temperature Tensile Properties:

Temperature 0F68212302392482
0.2%Offset Yield Strength, Ksi8065615855
Ultimate Tensile Strength, Ksi116101989594

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