Duplex Steel Pipe Stockist Duplex Steel Pipe manufacturers Duplex Steel Pipe suppliers Duplex Steel Pipe exporters in mumbai india
Duplex Steel Pipe Stockist Duplex Steel Pipe manufacturers Duplex Steel Pipe suppliers Duplex Steel Pipe exporters in mumbai india
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Super Duplex / Duplex Steel Pipe

Super Duplex / Duplex Steel Seamless Pipe:

Specifications :
Standard ASTM / ASME SA 790. SA 789 , SA 790
Grade : UNS S 32750, S 32760 4

Super Duplex / Duplex Steel Welded Pipe:

Specifications :
Standard ASTM / ASME SA 790. SA 789 , SA 790
Grade : UNS S 32750, S 32760 4

Super Duplex / Duplex Steel Square Pipe:

Specifications :
Standard ASTM / ASME SA 790. SA 789 , SA 790
Grade : UNS S 32750, S 32760 4


Super Duplex / Duplex Steel Rectangle Pipe:

Specifications :
Standard ASTM / ASME SA 790. SA 789 , SA 790
Grade : UNS S 32750, S 32760 4

Super Duplex Stainless Steel

UNS S32750 & UNS S32760

Super Duplex Plate/Sheet
Super Duplex Seamless & Welded Tube
Super Duplex Seamless & Welded Pipe
Super Duplex Round Bar
Super Duplex Flanges F53/F55
Super Duplex Specialty Forgings
Super Duplex Seamless & Welded BW Fittings

Trade Name UNS Super Duplex Industry Specifications Chemical Composition Min.Tensile
(KSI)
Min.Yield
(KSI)
Elongation
%
SAF 2507®
UNS S32750
ASTM A182 F53, A240, A276, A479, A789, A790, A815, A928, A988
SAE J405
C 0.030 max
Cr
24.0-26.0
Cu 0.5 max
Mn 1.20 max
Mo 3.0-5.0
N 0.24-0.32
Ni 6.0-8.0
P 0.035 max
S 0.020 max
Si 0.8 max
116 80 15

UNS S32760 ASTM A182 F55, A240, A276, A314, A473, A479, A789, A790, A815, A928, A988
SAE J405
C 0.03 max
Cr
24.0-26.0
Cu 0.5-1.0
Mn 1.0 max
Mo 3.0-4.0
N 0.2-0.3
Ni 6.0-8.0
P 0.03 max
S 0.01 max
Si 1.0 max
W 0.5-1.0
 109 80 25

This is a Duplex alloy stainless steel designed to feature high strength, resistance to pitting, stress corrosion cracking, erosion corrosion and corrosion fatigue, crevice corrosion and strong weldability.

Super Duplex Applications

Oil and gas industry equipment,
Offshore platforms, heat exchangers, process and service water systems, fire-fighting systems, injection and ballast water systems,
Chemical process industries, heat exchangers, vessels, and piping,
Desalination plants, high pressure RO-plants and seawater piping,
Mechanical and structural components, high strength, corrosion-resistant parts,
Power industry FGD systems, utility and industrial scrubber systems, absorber towers, ducting, and piping.

Super Duplex Corrosion Resistance

The high chromium and molybdenum content of Super Duplex makes it extremely resistant to uniform corrosion by organic acids like formic and acetic acid. Super Duplex also provides excellent resistance to inorganic acids, especially those containing chlorides.

The pitting Resistance equivalent of Super Duplex, calculated by PREN = Cr + 3.3Mo + 16N, will exceed 40 in most material forms.




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