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Kencotube is one of the leading manufacturing house & trader for high quality Duplex Steel Fasteners, which are generally more demanding to machine than conventional austenitic stainless steel, due to the higher hardness. Even when the ductility is adequate, higher forces are required to form Duplex Stainless Steel Fasteners, for example in tube bending. The heat treatment in Duplex Steel Nuts should be followed by subsequent rapid cooling in water or air, where this treatment applies for both solution annealing and stress relieving. Meanwhile, the latter can be done in special cases at about 500 Degree C – 550 Degree C. Duplex Steel Bolts is a lean stainless steel that generally offers a similar corrosion resistance as ASTM 316L, but has advantages in oxidizing media such as nitric acid solutions due to its low molybdenum content.
The metallurgy of Duplex Steel Stud Bolts is much more complex than for austenitic or ferritic steels, where this factor means that they are more difficult to produce at the mill and to fabricate. Duplex Steel Screws are highly alloyed and have a corrosion resistance comparable to high performance austenitic steels. Manganese, silicon, or aluminum is added in these Duplex Steel grades during the steelmaking process to remove dissolved oxygen, sulfur and phosphorus from the melt. Typical applications for Duplex Steel Washers are desalination plants, seawater systems, flue-gas cleaning, umbilicals, storage tanks and pressure vessels. We also offer these steel in best prices to our clients.
|Specifications||ASTM A193 /SA193, ASTM A194/ SA194, ASTM / ASME SA182, F51, F60|
|Standards||DIN, ASTM, BS and all International Standards|
|Size||M10 to M100|
|Length||UPTO 5 METERS|
|Grades||ASTM / ASME SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61. (UNS S32750, UNS S31803) etc.|
|Type of Fasteners||Bolts (Eyebolt), Stud, Nuts (Nylock, Lock),Washer (Star, Plain), Allen Caps, Screws (CSK, Pen Head, Philip, Mushroom, Cheese), Rivet (Pop & Hollo), Grab, Clamp (U, J, L)|
|Duplex 2205||1.4462||S31803, S32205|
|22.0-23.0||4.50-6.50||3.00-3.50||.030 Max||0.14-0.20||2.00 Max||1.00 Max||.030 Max||.020 Max||Bal|
|Type of Duplex Steel Nuts|
|Nut, Hex Nut, Auto Lock Nut, 2-H Heavy Hex Nut, Miscellaneous Nut, Nylon Insert Lock Nut, Serrated Flange Nut, Hexagonal Nut, Flange Lock Nut, 2-Way Lock Nut, Coupling Nut, Acorn Nut, Slotted Nut, Heavy Hex Nut, Square Nut, Jam Nut, Wing Nut, Kep Nut, Sleeve Nut, Flex Lock Nut, Slotted Nut, High Nut, Cap Nut, Castle Nut, K Lock Nut, Custom Nut, T- Tee Nut, Dome Nut, Flange Nut, Lock Nut, Weld Nut, Cage Nut, Allenuts, Cage Nut, Spring Nut, High Nut, ACME Nut, Cap Nut Coil Nut, Handle Nut, Hurricane Nut|
|Type of Duplex Steel Bolts|
|Bolt, Hanger Bolt, Plow Bolt, Shoulder Bolt, Flange Bolt, Draw Bolt, Toggle Bolt, Scraper Blade Bolt, Stove Bolt, Tap Bolt, Stockholder Elevator Bolt, Hex Bolt, Exporter Heavy Hex Bolt, Structural Bolt, Square Bolt, Hex Lag Bolt, Timber Bolt, Square Lag Bolt, Carriage Bolt, Timber Spikes Bolt, Machine Bolt, Round Headed Bolt, Countersunk Bolt, Step Bolt, Manfacturer Headed Anchor Bolt, Custom Bolt, 90 Degree Anchor Bolt, Round U Bolt, Close Eye Bolt, U- Bolt, Supplier Square bend Hook Bolt, Square Bolt, Open Eye Bolt, Round Bend Hook Bolt, Special Hook Bolt, Bent Anchor Bolt, Tension Control Bolt, Connector Bolt, Tower Bolt, Penta Bolt, Step Bolt, Coil Bolt, J-Bolt, Exporter Sidewalk Bolt, Bin Bolt, U-Bolt Plates Track Bolt, Hurricane Bolt|
|Type of Duplex Steel Screws|
|Screw, Machine Screw, Sheet Metal Screw, Self-Drilling Screw, Thread Cutting Screw, Lag Screw, SEMS Screw, Thread Rolling Screw, Thumb Screw, Drywall Screw, Drive Screw, Eye Screw, Floorboard Screw, Weld Screw, Multiple Material Screw, Wing Screw, Dowel Screw, Accordian Screw, Collated Screw, Concrete Screw, Decking Screw, Metal to Wood Screw, Resistant Screw, Cap Screw, Socket Cap Screw Cabinet Installation Screw, Cement Board Screw|
|Type of Duplex Steel Washers|
|Washer, Flat Washer, Lock Washer, Finishing Washer, Bonded Sealing Washer, Hillside Washer, Belleville Washer, Conical Washer, Round-Mall Washer, Wave Washer, Fender Washer, Internal Tooth Lock, External Tooth Lock, Plain Washer, Square Washer, Dome Plain Washer, Countersunk Washer, Dock Washer, Ogee Washer, Bevel Washer, Flat Washer - SAE Flat Washer - U Split Lock Washer, Star Washer|
|Type of Duplex Steel Studs|
|Stud, Threaded Stud, Heavy Stud, Industrial Stud, Fully Threaded Stud, Special Stud, Flush Head Self Clinching Stud, Hurricane Stud, Weld Stud|
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