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UNS32750 Super Duplex Stainless Steel Welded Pipe and Tubes

  • FOB PriceUS 1200-180,000/Piece
  • PortNingbo or Shanghai
  • MOQ1 Piece
  • Supply Ability1000 Tons per Month
  • Payment TermsL/C,T/T,Western Union,MoneyGram
  • PackagingSeaworthy plywood cases or pallets
  • Delivery7 - 35 days

Detailed description

Quick Details

  • Standard: JIS, AISI, ASTM, GB, DIN, EN
  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: Yaang
  • Model Number: seamless and welded
  • Type: Welded
  • Steel Grade: UNS32750
  • Application: Oil and gas industry equipment.Chemical process industries
  • Certification: SGS
  • Welding Line Type: ERW
  • Thickness: SCH10S to SCHXXS
  • Outer Diameter: DN15 ~DN2000

Packaging & Delivery

Packaging Details: Plastic bags for each piece or packed in seaworthy Wooden cases.
Delivery Detail: - 35 days

Description of UNS32750 Super Duplex Stainless Steel Welded Pipe and Tubes:

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%

C

Cr

Ni

Mo

N

Others

0.020

25

7

4.0

27

S=0.001

Pren= (Cr%)+3.3 (Mo%)+16 (N%) not less than 40

Mechanical Performance:

Ultimate Tensile Strength, Ksi

116min

0.2%Offset Yield Strength 0.2%, Ksi

80min

0.1%Offset Yield Strength 0.2%, Ksi

91min

Elongation in 2 inches, %

15 min

Hardness Rockwell C

32 max

Impact Energy, ft. - lbs.

74min

  Low Temperature Impact Properties:

Temperature 0F

RT

34

- 4

- 40

Ft - lbs

162

162

155

140

Temperature 0F

- 76

- 112

- 148

- 320

Ft - lbs

110

44

30

7

  Elevated temperature Tensile Properties:

Temperature 0F

68

212

302

392

482

0.2%Offset Yield Strength, Ksi

80

65

61

58

55

Ultimate Tensile Strength, Ksi

116

101

98

95

94

 

Processing:

Hot forming

2507 should be hot worked between 18750F and 22500F. This should be followed by a solution anneal at 19250F minimum and a rapid air or water quench.

Cold Forming:

Most of the common stainless steel forming methods can be used for cold working 2507. The alloy has a higher yield strength and lower ductility than the austentic steels so fabricators may find that higher forming forces, increased radius of bending and increased allowance for springback are necessary. Deep Drawing, stretch forming and similar processes are more difficult to perform on 2507 than on an austenitic stainless steel. When forming requires more than 10% cold deformation, a solution anneal and quench are recommended.

Heat Treatment:

2507 should be solution annealed and quenched after hot or cold forming solution annealing should be done at a minimum of 19250F. (1025 - 1125 centigrade) Annealing should be followed immediately by a rapid air or water quench to obtain maximum corrosion resistance, heat treated products should be pickled and rinsed.

Welding:

2507 possesses good weldability and can be joined to itself or other materials by shielded metal arc welding, gas tungsten arc welding, plasma arc welding, flux cored wire or submerged arc welding. 2507/P100 filler metal is suggested when welding 2507 because it will produce the appropriate duplex weld structure.

 

 

 

 

 

If any inquiry, please feel free contact us sales@yaang.com

 

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Tel No:+86-18267732328 / Fax No :86-0577-56809281 / Email:sales@yaang.com
Address:Longwan District, Wenzhou, Zhejiang Province, China.

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