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Super Duplex

Super Duplex

PEARL OVERSEAS IS A MANUFACTURER, SUPPLIER AND EXPORTER OF FINEST QUALITY Super Duplex MUMBAI - INDIA.

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WHAT IS Super Duplex

The high chromium and molybdenum substance of Super Duplex makes it incredibly impervious to uniform consumption by natural acids like formic and acidic corrosive. Super Duplex additionally gives incredible protection from inorganic acids, particularly those containing chlorides. The evaluation is likewise appropriate for pressure driven and instrumentation applications in tropical marine conditions. The decent duel stage microstructure joins high quality with financially savvy erosion obstruction, especially in high chloride situations. Super Duplex has indistinguishable advantages from its partner – it has lower alloying costs when contrasted and comparative ferritic and austenitic evaluations with hardware consumption obstruction in chloride containing conditions because of the material's expanded pliable and yield quality. Super Duplex and Hyper Duplex are very sensitive to all forms of high-temperature processes. Structural changes can occur in Duplex stainless steel at temperatures that exceed 600°C, a temperature that is exceeded in hot forged duplex production. Formation of intermetallic phase or non-balanced microstructure with too high ferrite content is very critical as it will reduce corrosion resistance and decrease ductility which can lead to fractures.

Type of Super Duplex

Characteristics of Super Duplex

• Good general corrosion resistance
• Suggested for applications up to 600° Fe
• Low rate of thermal expansione
• Combination of properties given by the austenitic and ferritic structuree
• Good weldability and workabilitye

Typical of Applications

• Subsea control linese
• Offshore platformse
• Fire-fighting systemse
• Injection & ballast water systemse
• Heat exchangers

Specifications of Applications

Trade NameUNSSuper Duplex Industry SpecificationsChemical CompositionMin.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
1168015
UNS S32760ASTM 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
1098025

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