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Super Duplex Steel Buttweld Fittings

Super Duplex Steel Buttweld Fittings

Super Duplex Steel Buttweld Fittings are pipe fittings made from Super Duplex stainless steel, a high-performance alloy known for its outstanding qualities. These fittings are used a lot in different industries, like oil and gas, chemical processing, petrochemical, and marine uses, where they are essential for connecting and directing the flow of fluids in pipelines. Super Duplex stainless steel is a type of duplex stainless steel that has a composition made up of a balanced mix of austenite and ferrite phases. This mixture gives the alloy great mechanical, corrosion-resistant, and metallurgical qualities. Most of the time, S32750 (also known as 2507) and S32760 are Super Duplex Steel types used for buttweld fittings. One of the best things about Super Duplex Steel Buttweld Fittings is that they are rust-resistant. Super Duplex stainless steel is more resistant to corrosive conditions, such as chloride-induced stress corrosion cracking, pitting, and crevice corrosion than other types of stainless steel. It makes it an excellent choice for applications where the pipe touches things like seawater, acids, and chlorides, which can be damaging. In addition to being resistant to rust, Super Duplex Steel is also robust. Compared to standard austenitic stainless steels, Super Duplex Steel has about twice the yield strength, which means it can handle high pressures and temperatures. It makes it an excellent choice for uses that are hard on fittings and need strong ones.
Another significant benefit of Super Duplex Steel Buttweld Fittings is that they last a long time. With their high strength, resistance to corrosion, and excellent toughness, these fittings can work in harsh situations, such as high temperatures and mechanical stress. Because of its durability, the pipeline system will last longer and need less upkeep. When installing Super Duplex Steel Buttweld Fittings, they are combined using “butt welding.” This way of welding ensures the link between the fittings and pipes is strong and doesn’t leak. The correct welding methods and techniques must be used to ensure the joint is solid and to keep the Super Duplex Steel’s resistance to corrosion. Used fittings are parts used in piping systems before and are now being considered for reuse. When deciding whether or not to use used fittings, you should be careful and consider their state. If any problems are found during the inspection, the fittings should be fixed or refurbished correctly to get them back to their best state. It could involve cutting, polishing, or even welding to fix minor problems. It is essential to talk to Super Duplex Steel professionals or experts to ensure that the refurbishment processes are done right and meet industry standards and requirements.

Super Duplex Steel Buttweld Fittings Specifications

Specifications : ASTM A815 / ASME SA815
Dimensions : ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Size :1/2” NB to 24″NB in
Type : Seamless / Welded / Fabricated
Thickness : Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS
Grades : Super Duplex S32750, S32760

Super Duplex Steel Buttweld Fittings Equivalent Grades

Super Duplex 2507
S32750 / S32760

Super Duplex Steel Buttweld Fittings Chemical Composition

Grade Ni Cr N C Mn P S Si Mo Cu Fe
6 – 8
24 – 26
0.24 – 0.32
0.030 max
1.20 max
0.035 max
0.020 max
0.80 max
3 – 5
0.50 max
58.095 min
6.00 – 8.00
24.00 – 26.00
0.20 – 0.30
0.05 max
1.00 max
0.030 max
0.010 max
1.00 max
3.00 – 4.00
0.50 max
57.61 min

Mechanical Properties of Super Duplex Steel Buttweld Fittings

Grade Density (g/cm 3) Density (lb/in 3) Melting Point (°C) Melting Point (°F)
S32750 / S32760

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