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2507 Seamless Pipe and A790 S32750 Pipe

March 7, 2023

Latest company news about 2507 Seamless Pipe and A790 S32750 Pipe

2507 Seamless Pipe and A790 S32750 Pipe

Super duplex seamless pipe is one of the types of austenitic-ferritic iron chromium alloy. There are different categories such as standard duplex, super duplex and lean duplex. The lean duplex pipes are the least used due to high cost and the standard duplex pipes are the most used. GNEE is a leading manufacturer of super duplex pipe in seamless and welded pipe types. The super duplex material is very strong and has very high corrosion resistance. The pipes have high thermal conductivity. So the welding procedure does not overheat the pipes. The super duplex seamless pipe transfers the welding heat so hot cracking is very less.


Chemical Analysis Of Super Duplex Pipe
Grade C Mn Si P S Cr Mo Ni N Fe
S32750 0.030 max 1.20 max 0.80 max 0.035 max 0.020 max 24.00 – 26.00 3.00 – 5.00 6.00 – 8.00 0.24 – 0.32 58.095 min
S32760 0.05 max 1.00 max 1.00 max 0.030 max 0.010 max 24.00 – 26.00 3.00 – 4.00 6.00 – 8.00 0.20 – 0.30 57.61 min


Super Duplex Pipe Material Testing:
Mechanical Testing Such as Tensile of Area
Hardness Test
Chemical Analysis – Spectro Analysis
Positive Material Identification – PMI Testing
Flattening Test
Micro and MacroTest
Pitting Resistance Test
Flaring Test
Intergranular Corrosion (IGC) Test

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