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ASTM A928 Supler Duplex Welded Pipe High Strength ASTM A999

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Yuhong Group Co.,Ltd

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Province/State:zhejiang

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ASTM A928 Supler Duplex Welded Pipe High Strength ASTM A999

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Brand Name YUHONG
Model Number S32750 , S31803, S32760 , S31254, S32304 , S31500
Certification ABS, DNV, LR, PED, GOST, ISO , ...
Place of Origin CHINA /JAPAN/EU/USA
Minimum Order Quantity 1PC
Price 5000 USD TO ...
Payment Terms T/T AND LC
Supply Ability 1000 tons per month
Delivery Time 7days
Packaging Details wooden case
Detailed Product Description

ASTM A928 Supler Duplex Welded Pipe High Strength ASTM A999
 
 
Key Features :

  • UNS S32750 has excellent corrosion resistance in a wide variety of corrosive chemicals
  • Outstanding resistance to pitting and crevice corrosion in seawater and other chloride containing environments, with Critical Pitting Temperature exceeding 50°C
  • High strength compared to austenitic and 22%Cr duplex stainless steels
  • Excellent ductility and impact strength at both ambient and sub-zero temperatures
  • High resistance to abrasion, erosion and cavitation erosion
  • Excellent resistance to stress corrosion cracking in chloride containing environments
  • UNS S32750 is listed in NACE MR 01 75 for sour service
  • ASME Approval for Pressure Vessel application


AVAILABILITY 
Bar, forgings, sheet, plate, pipe, tube, closed die forgings, 
flanges and welding consumables. 
 
MATERIAL SPECIFICATIONS 
 UNS S32750 in various ASTM product form 
specifications 
 EN 10088-3 1.4410 (Grade X2CrNiMoN25-7-4) 
 NORSOK MDS D51 to D55 D57 & D58 
 ASTM A182 F53 
 NACE MR01-75 (latest revision) / ISO 15156 
 

  • Alloy 32750 to MLA-MPS-47V-BAR/FORG
  • ASTM A473 UNS S32750 Forgings
  • ASTM A182 Grade F53 UNS S32750 Forged Flanges
  • ASTM A240 UNS S32750 Sheet and Plate
  • ASTM A479 UNS S32750 Bar
  • NACE MR 01-75
  • EN 10088-3 1.4410
  • NORSOK

 

 Chemical Specification of UNS S32750
ElementsCCrCuFeMoMnNNiPSSiW
Minimum 24.0 REMAINDER3.00 0.246.00  0.200.50
Maximum0.030260.50 

 
 
 
 
 
 

 Basic Properties of UNS S32750 - Mechanical Properties
0.2% Proof Stress (N/mm2 ) [ksi] minimum550[79.8]
Ultimate Tensile Strength (N/mm2) [ksi] minimum800 [116]
Elongation (%) minimum25
Hardness (HBN)270 max
Reduction of Cross Section Area (%)45
Charpy V-notch Impact at ambient Temp (J) [ft.lb]80min [59min]
Charpy V-notch Impact at -46°C (J) [ft.lb]45av, 35min [33av, 25.8min]
 
Additional Testing
ASTM G48A Corrosion test at 40°CNo pitting and weight loss <4.0g/m2
Ultrasonic TestingAccording to ASTM A388
Ferrite Content35%-55%
Microstructure

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 Applications of UNS S32750

 

Chemical Process Industry:
Due to its high corrosion resistance UNS S32750 is ideal for use in Nitric Acid Processes, Polypropylene Production, PVC Production, Dioxide, Caustic Evaporators, Equipment.
Handling Organic and Fatty Acids.
 
Marine Industry and Shipbuilding:
Propellers and Shafts, Rudders, Shaft Seals, Pumps, Bolts and Fasteners, Valves, Instrumentation, Oil and Chemical Tankers
 
Oil and Gas Industry:
Pumps, Valves, Pipe, Vessels, Wellhead Equipment, Subsea Equipment
 
Pollution Control:
Fans and pumps, Wet Scrubbers, Incinerators
 
Pulp and Paper Industry:
Black liquor heater tubes, Digester Blow Valves, Rotary Feed Valves, I.D.Fans, Brownstock Washers, Precipitators, Bleaching Components
 
Food Industry:
Sugar Cane Centrifuges, Corn and Vegetable processing plant
 
Agrochemicals:
Fertiliser Production (Wet phosphoric acid)
 
Civil Engineering:
Sewage Treatment

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 Alloy Comparisons
Alloy ComparisonsS31803S17400
(17-4PH)

718 
( ST )

S31254Alloy 32750
0.2% Proof Strength (N/mm2), minimum4501070550300550
Corrosion Rate (mm.y-1) Seawater<0.01~1<0.01<0.01<0.01
Corrosion Rate (mm.y-1)
10% sulphuric acid at 80°C		<0.410>11.5<0.15
Corrosion Rate (mm.y-1)
Boiling 50% nitric acid		<0.15<0.15<0.150.4<0.15
Wear Properties related to Hardness (HBN)RC25RC38RC20RC20RC28

 
 
 
 
 
 
 
 
 
 
 
 

 

 
 
Product Tags: super duplex seamless pipe   duplex steel pipes  
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