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ASTM A790 UNS S32750 Duplex Seamless Pipe
ASTM A790 UNS S32750 Duplex Seamless Pipe
ASTM A790 UNS S32750 Duplex Seamless Pipe
ASTM A790 UNS S32750 Duplex Seamless Pipe
ASTM A790 UNS S32750 Duplex Seamless Pipe
ASTM A790 UNS S32750 Duplex Seamless Pipe
ASTM A790 UNS S32750 Duplex Seamless Pipe
ASTM A790 UNS S32750 Duplex Seamless Pipe

ASTM A790 UNS S32750 Duplex Seamless Pipe

ASTM A790 UNS S32750 is a variation of super duplex steel. The duplex steel material is made up of chromium and molybdenum alloy. The duplex has the ferritic and austenitic steel properties in its metallurgic microstructure.
Application:Fluid Tube, Oil Tube, Gas Tube, Boiler and Heatexchanger
Schedule:SCH20, SCH30, SCH40, STD, SCH40S, SCH80, SCH120
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Introduction
ASTM A790 UNS S32750 is a specification that covers seamless and welded ferritic/austenitic stainless steel pipes. The grade UNS S32750 is a super duplex stainless steel with a high level of chromium, molybdenum, and nitrogen content that provides excellent resistance to corrosion, pitting, and crevice corrosion.

There are three groups of duplex, namely the duplex, super duplex and lean duplex. Each of them has their own composition and specific mechanical properties as a result. As the Super Duplex UNS S32750 Pipe belongs to the super duplex category, it is used for high strength and high corrosive applications. The alloy has 25% chromium in its composition along with 4% molybdenum and 7% nickel. This material composition makes it stronger and much corrosion resistant than the ordinary duplex material.
 

ASTM A790 UNS S32750 Specifications

Specification of UNS S32750 Seamless Pipe Astm A790 and Asme Sa790
Standard ASTM, AISI, EN, GB, DIN, JIS, ASME
UNS S32750 Seamless Pipe Outer Diameter 6.00MM Outer Diameter upto 250MM Outer Diameter, Sizes upto 12Inch NB
UNS S32750 Welded Pipe size 5.0 MM To 1219.2 MM
UNS S32750 EFW Pipe size 5.0 To 1219.2 MM
Thickness 0.3 To 50 MM
Super Duplex UNS S32750 Seamless Tube Sizes 3.35MM Outer Diameter - 101. MM Outer Diameter, 15NB to 150NB Inch
ASTM A790 UNS S32750 Welded Tube Sizes 6.35MM Outer Diameter To 152MM Outer Diameter Pipe
Swg and Bwg 10, 12, 14, 16, 18, 20 Swg.
uns S32750 tubing wall thickness 0.020" –0.220 Inch (special wall thicknesses available)
ASTM A790 UNS S32750 Pipe Schedule 5, 10, 40, 80, 80S, 160, XXS, XS ASTM A790 Uns S32750 Pipe Supplier
UNS S32750 Seamless Pipe Finish NO.1, Polished, 2B, Annealed and Pickled, Bright and Annealed, MF, NO.4, BA, HL, 8K, Mirror finish etc
 

The properties of ASTM A790 UNS S32750 Duplex Seamless Pipe are as follows

Property Value
Density 7.8 g/cm3
Melting Point 1350-1400°C (2462-2552°F)
Tensile Strength 800-1000 MPa
Yield Strength 550 MPa min
Elongation 15% min
Hardness (Brinell) 290 max
Modulus of Elasticity 200 GPa (29.0 x 106 psi)
Thermal Conductivity 14.2 W/m-K (at 100°C)
Specific Heat Capacity 480 J/kg-K
Corrosion Resistance Excellent resistance to corrosion, pitting, and crevice corrosion in chloride and acidic environments.
FAQ
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Q: Do you accept the third party inspection?
A: Yes absolutely we accept.












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