Navneet Metal Corporation Super duplex pipes produced under specification ASTM A790, are supplied in a seamless or a welded construction. The automatic process used to manufacture Super Duplex Welded Pipe is without the use of a filler metal. The Super Duplex Pipe suppliers recommend using these pipes for applications that are prone to general corrosion resistance. There are several reasons that account for the corrosion resistance properties of the ASTM A790 UNS S32760 pipe. In addition to having a high content of molybdenum, nickel and chromium, there is a significant inclusion of austenite stabilizing element, nitrogen. A heat analysis is performed on the ASTM A790 UNS S32750 in order to determine the proportion of the elements specified herein.
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Next, the mixed microstructure of the Super Duplex 2507 Pipe enhances its properties. For instance, the ferritic part of the duplex microstructure in the alloy of the pipe is responsible for the Super Duplex 2507 Seamless Pipe exhibiting superior resistance to stress related corrosion cracking, particularly when exposed to warm chloride ion bearing circumstances. Generally, tests such as flattening tests, hardening tests, hydrostatic tests, Tension tests and nondestructive electric tests are performed on the Super Duplex Seamless Pipe to ascertain their conformance to the ASTM A790.
Super Duplex S32750 Pipes & Tubes In Mumbai, Super Duplex S32750 Pipes & Tubes Manufacturers in Mumbai, Super Duplex S32750 Pipes & Tubes Suppliers in Mumbai, Super Duplex S32750 Pipes & Tubes Stockists in Mumbai, Super Duplex S32750 Pipes & Tubes Exporters in Mumbai
Equivalent Grades Super Duplex S32750 Pipes & Tubes
STANDARD
UNS
WNR.
Super Duplex S32750 Pipes & Tubes
DX2202
2.0872
Super Duplex S32750 Pipes & Tubes Specification
Specifications
ASTM A790 ASME SA790, F51
Dimensions
ASTM, ASME and API
Size
15″NB TO 150″NB IN
Specialized in
Large Diameter Size
Schedule
SCH5, SCH10, SCH40, STD, SCH80, SCH160
Type
Seamless / ERW / Welded / Fabricated / CDW / CDS / DOM / CEW / 100% X Ray Welded
Form
Round, Hydraulic Etc
Length
Single Random, Double Random & Cut Length.
End
Plain End, Beveled End, Treaded
Chemical Composition of Super Duplex S32750 Pipes & Tubes
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
Mechanical Properties of Super Duplex S32750 Pipes & Tubes
Grades
Density (g/cm 3)
Density (lb/in 3)
Melting Point (°C)
Melting Point (°F)
S32750 / S32760
7.8
0.281
1350
2460
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