Leading Manufacturers of ASTM/ASME/SA 790 UNS S31803 Duplex & Super Duplex Steel EFW Tubes,Duplex Steel 2205 EFW Tubing, Duplex Steel UNS S31803 EFW Tubes Suppliers, 2205 Duplex Steel Rectangular EFW Tubes , Duplex S32205 ERW Tubes Exporter, Duplex Welded Pipes, 2205 Duplex Steel EFW Tubing in Mumbai, India.
KOBSINDIA has a unique product portfolio that is engineered as a durable piping component, which is a sustainable alternative with premium quality, contributing to a businesses growth. We offer our two cents on product selection too, guiding you through the plethora of resources and choosing the best for you. With us, you can be guaranteed for the finest customer experience. We are a manufacturer, supplier and exporter of Duplex Steel Tubes that are compliant to ASTM A789/790, a specification that covers tubes with a nominal wall thickness that are recommended to use in general corrosive services.
our Super Duplex Steel UNS S31083 tubes have a high strength and impact toughness, combined with the superior abilities to resist pitting and crevice corrosion. Biofuels plants, pressure vessels and bleaching equipment are connected using these corrosion-countering pipes. Our ASTM A789 Duplex & Super Duplex Steel UNS S32205 Seamless Tubes have a high degree of weldability and are hardened through cold working, however, they are slightly difficult to machine. We supply ASTM 790 Duplex Steel DIN 1.4462 Welded Tubes to the food processing industry.
Range : 6NB to 1200NB
Outer Diameter : 1/8" NPS to 12" NPS
Thickness : 0.6 mm to 12.7 mm
Schedules : SCH. 5, 10, 20, 30, 40, 60, 80, 100, 120, 140, 160, XXS.
Length : Single Random, Double Random & Cut Length
Specifications : ASTM A312 / ASTM SA312
Types : Round, Square, Rectangle, Hydraulic, Honed Tubes
End : Plain End, Beveled End
Super Duplex Steel:
Grade: 2507 (UNS S32750)
|Ultimate Tensile Strength, ksi||116 min.|
|0.2% Offset Yield Strength 0.2%, ksi||80 min.|
|0.1% Offset Yield Strength 0.2%, ksi||91 min.|
|Elongation in 2 inches, %||15 min.|
|Hardness Rockwell C||32 max.|
|Impact Energy, ft.-lbs.||74 min.|
The process commences with the formation of welded tube on the tube mill from imported and tested prime quality stainless steel strips. The latest TIG multi electrode welding technique is employed for superior weld quality and 100% Fusion, with argon purging, No filler metal added.
Stainless Steel :
Grade: 304, 304L, 304H, 309, 309S, 310, 310S, 316, 316H, 316L , 317, 317L, 321, 321H, 347, 347H, 904L
Grade: Nickel 200, Nickel 201
Grade: Inconel 600, Inconel 601, Inconel 625, Inconel 718
Grade: Gr1, Gr2, Gr3, Gr5, Gr7, Gr11
Grade: Monel 400, Monel K500, Monel R-405
Grade: Hastalloy B2, Hastalloy B3, Hastalloy C22, Hastalloy C276, Hastalloy X
Grade: Incoloy 800, Incoloy 800H, Incoloy 800HT