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  • ASTM A928 UNS S32750 EFW pipe

Super Duplex 2507/S32760 Pipe

  • Material: S32750, S32760
  • Type: Seamless, Welded
  • End: Beveled End, Plain End
  • Service: Cutting, Welding, Fabricated, Customized

PRODUCT DESCRIPTION

UNS S32750(Duplex 2507) is a super duplex stainless steel with 25% chromium, 4% molybdenum, and 7% nickel. Duplex 2507 is designed for demanding applications which require exceptional strength and corrosion resistance, such as chemical process, petrochemical, and seawater equipment.

UNS S32760 is a super duplex stainless steel with a microstructure of 50% austenite and 50% ferrite. UNS S32760 is designed for service in aggressive chloride-containing environments and has additions of W and Cu compared to UNS S32750. It has very good resistance to localized corrosion and stress corrosion cracking in combination with high mechanical strength.

HT PIPE supplys the ASME SA789 Seamless and Welded Tubes and ASME SA790 S31803 Seamless and Welded super Duplex Stainless Steel Pipe for the Oil and Gas, Refinery, Petrochemical and Power Industries.
Super Duplex S32750/S32760 Pipe and Tube stanard:
ASME SA789 /ASTM A789: Standard for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service.
ASME SA790 /ASTM A790: Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe.
S32750/S32760 super duplex Pipe size:
Seamless Pipe size: 4 to 219mm; W. T.: 0.5 to 20mm
Seamless Tube Size: 3.35 mm To 101.6 mm (OD)
Welded Pipe size: 5.0 mm – 1219.2 mm
S32750/S32760 super duplex Pipe Schedule:
SCH5, SCH10, SCH10S, SCH20, SCH30, SCH40, SCH40S, STD, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXSS31803 Pipe Form:Round, Square, Hollow, Rectangular, Hydraulic, Straight Pipes, U bent Tube, Hollow, LSAW Tube Etc.

seamless duplex ss tubeSeamless Duplex SS Tube A790 S32750 Super Duplex PipeA790 S32750 Super Duplex Pipe Super Dupex S32760 TubeSuper Dupex S32760 Tube
Duplex Welded PipeDuplex Welded Pipe Super Dupex S32760 PipeSuper Dupex S32760 Pipe Dupex  welded tubeDuplex Welded Tube

S32750/S32760 super Duplex Pipe Chemical Composition:

Grade C≤ Mn≤ P≤ S≤ Si≤ Ni Cr Mo Cu
S32750 0.03 1.20 0.035 0.02 0.80 6.0-8.0 24.0-26.0 3.0-5.0 0.24-0.32 0.5
S32760 0.05 1.00 0.03 0.01 1.00 6.0-8.0 24.0-26.0 3.0-4.0 0.20-0.30 0.50–1.00 
S32750/S32760 super duplex Pipe Mechanical Properties:
Mechanical properties Tensile, min, ksi[MPa] Yield, min, ksi[MPa] Elongation, %(min) Hardness, HB(max)
S32750 116 [800] 80 [550] 15 300
S32760 109 [750] 80 [550] 25 300
Equivalent Grades for S32750/S32760 super Duplex Stainless Steel Pipe:
STANDARD UNS WERKSTOFF NR.
Super Duplex S2507 S32750 1.4410
Super Duplex S32760 S32760 1.4501
Test:
Hardness Test
Flattening Test
Pitting Resistance Test
Chemical Analysis – Spectro Analysis
Micro and MacroTest
Flaring TestIntergranular Corrosion (IGC) Test
Mechanical Testing Such as Tensile of Area
Positive Material Identification (PMI Testing)
ultrasonic test hydrostatic test UT test
Applicaiton:
Oil Tube, Gas Tube, Fluid Tube, Boiler and Heat exchanger

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