Duplex Stainless Steel Fasteners
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Duplex Stainless Steel Fasteners Inventory at our Vasai, Mumbai Factory

 

 

ASTM A790 Duplex Steel werkstoff nr. 1.4462 Fasteners Manufacturer, Exporter & Suppliers.

 

Duplex Steel UNS S31803, S32205, S32550, S32750, S32760 Fasteners Suppliers in India.

 

 

DM Special Steel Ltd has been manufacturing Duplex Stainless Steel Fasteners since 2004 & shipped to more than 60 Countries Like Argentina, Germany, Mexico ,Vietnam, Indonesia, USA , Saudi Arabia, UAE, Egypt , Turkey, Venezuela, Italy, Singapore, Malaysia, Australia, New Zealand, Canada & many more.

 

DM Special Steel Ltd are engaged in manufacturer, suppliers & exporters a qualitative range of Duplex Steel Fasteners that using high quality raw materials. We also offer a complete range of Duplex Steel Fasteners such as Bolts, Nuts, Washer, Screw, threaded rod and duplex steel screws etc. These Duplex Steel Fasteners are available in various size, shapes, specification & thickness as per requirements of our clients. These are widely used in various application industry like Oil and Gas industries, Construction Industries, Offshore Industries, On Shore Industries etc.

 

Duplex stainless steels are called "duplex" because they have a two-phase microstructure consisting of grains of ferritic and austenitic stainless steel. When duplex stainless steel is melted it solidifies from the liquid phase to a completely ferritic structure. As the material cools to room temperature, about half of the ferritic grains transform to austenitic grains ("islands"). The result is a microstructure of roughly 50% austenite and 50% ferrite.

 

Super duplex stainless steels are generally more complex, more highly alloyed materials with PREn (Pitting Resistance Equivalent number) = 40.0 and offer even higher strength and corrosion resistance making them suitable for very demanding applications such as offshore marine engineering.

 

Specification

 

Standard : ASTM / ASME SA 790
Size : M02 to M30
Length : 3 mm To 200 mm
Grade : UNS NO. S 31803, S 32205, S 32550, S 32750
Specification : IS, BS, ASTM
Type : Bolts, nuts, Washers, Anchor Fasteners, Stud Bolts, Eye Bolt, Stud, Threaded Rod, Cotter Pin, Socket Screw, Fine Fasteners & Spares, Foundation Fasteners, etc.

 

 

 

STANDARD WERKSTOFF NR. UNS
Duplex 2205 1.4462 S31803 / S32205


 

 

Bolts Type

 

Hex Head Bolt
Socket Cap Screw
Carriage Bolt
Anchor Bolt
Eye Bolt
Flange Bolt
Elevator Bolt
Lag Bolt
Draw Bolt
Plow Bolt
Stove Bolt
Tap Bolt
Machine Bolt
Hanger Bolt
U Bolt
Grub Screw
Set Screw
Shoulder Bolt
Step Bolt
J Bolt

 

 


Duplex Stainless Steel Fasteners Useful Info

 

 

  • Duplex stainless steels have a two-phase microstructure of austenite and ferrite grains.The duplex structure gives this family of stainless steels a combination of attractive properties:Strength:

  • Duplex stainless steel is about twice as strong as regular austenitic or ferritic stainless steels.Toughness and ductility:

  • Duplex stainless steel has significantly better toughness and ductility than ferritic grades; however, they do not reach the excellent values of austenitic grades.

  • Corrosion resistance:As with all stainless steels, corrosion resistance depends mostly on the composition of the stainless steel. For chloride pitting and crevice corrosion resistance, their chromium, molybdenum and nitrogen content are most important. Duplex stainless steel grades have a range of corrosion resistance, similar to the range for austenitic stainless steels, i.e from Type 304 or 316 (e.g. LDX 2101©) to 6% molybdenum (e.g. SAF 2507©) stainless steels.

  • Stress corrosion cracking resistance:Duplex stainless steel shows very good stress corrosion cracking (SCC) resistance, a property they have "inherited" from the ferritic side. SCC can be a problem under certain circumstances (chlorides, humidity, elevated temperature) for standard austenitics such as Types 304 and 316.

  • Cost:Duplex stainless steel has lower nickel and molybdenum contents than their austenitic counterparts of similar corrosion resistance. Due to the lower alloying content, duplex stainless steel can be lower in cost, especially in times of high alloy surcharges. Additionally, it may often be possible to reduce the section thickness of duplex stainless steel, due to its increased yield strength compared to austenitic stainless steel. The combination can lead to significant cost and weight savings compared to a solution in austenitic stainless steels.

 

 

Duplex Stainless Steel Fasteners Price

 

->

Super Duplex Stainless Steel Fastener S32760 Bolts

 

US $0.01-5 / Piece

 

 

->

Duplex Stainless Steel Fasteners 2507, 2205, 2304, 153MA, 253MA, 309, 904L,
  100 Pieces (Min. Order)

 

 

Duplex Stainless Steel Fasteners Inventory

 

 

 

 

 

Duplex Stainless Steel Fasteners Type

 

Duplex Stainless Steel Fasteners

Duplex Stainless Steel bolts

Duplex Stainless Steel Nuts

Duplex Stainless Steel Screw

Duplex Stainless Steel Washer

Duplex Stainless Steel Automotive Fasteners

Duplex Stainless Steel Marine Fasteners

Metric Duplex Duplex Duplex Stainless Steel Fasteners

S31803 Duplex Stainless Steel Nuts

S31803 Duplex Stainless Steel Bolts

S31803 Duplex Stainless Steel Screw

S31803 Duplex Stainless Steel Washer

S31803L Duplex Stainless Steel Nuts

S31803L Duplex Stainless Steel Bolts

S31803L Duplex Stainless Steel Screw

S31803L Duplex Stainless Steel Washer

2507 Duplex Stainless Steel Nuts

2507 Duplex Stainless Steel Bolts

2507 Duplex Stainless Steel Screw

2507 Duplex Stainless Steel Washer

2205 Duplex Stainless Steel Nuts

2205 Duplex Stainless Steel Bolts

2205 Duplex Stainless Steel Screw

2205 Duplex Stainless Steel Washer

S32550 Duplex Stainless Steel Nuts

S32550 Duplex Stainless Steel Bolts

S32550 Duplex Stainless Steel Screw

S32550 Duplex Stainless Steel Washer

S32750 Duplex Stainless Steel Nuts

S32750 Duplex Stainless Steel Bolts

S32750 Duplex Stainless Steel Screw

S32750 Duplex Stainless Steel Washer

S32750H Duplex Stainless Steel Nuts

S32750H Duplex Stainless Steel Bolts

S32750H Duplex Stainless Steel Screw

S32750H Duplex Stainless Steel Washer

S32750L Duplex Stainless Steel Nuts

S32750L Duplex Stainless Steel Bolts

S32750L Duplex Stainless Steel Screw

S32750L Duplex Stainless Steel Washer

2205 Duplex Stainless Steel Nuts

2205 Duplex Stainless Steel Bolts

2205 Duplex Stainless Steel Screw

2205 Duplex Stainless Steel Washer

S32760 Duplex Stainless Steel Nuts

S32760 Duplex Stainless Steel Bolts

S32760 Duplex Stainless Steel Screw

S32760 Duplex Stainless Steel Washer

S32205 Duplex Stainless Steel Nuts

S32205 Duplex Stainless Steel Bolts

S32205 Duplex Stainless Steel Screw

S32205 Duplex Stainless Steel Washer

 

 

 

General Queries While Buying Duplex Stainless Steel Fasteners

 

  • High rejection rate
  • No control on quality and testing
  • Non availability
  • Late deliveries
  • Poor packaging/ Unprofessional Packing
  • Poor after sales service
  • Supply of wrong grades
  • Material inconsistent with ASTM Standards
  • Very hard material for use
  • Poor surface finish
  • No Mill test report
  • Dubious Practices
  • Lack of knowledge
  • Product fails under high pressure
  • High pricing of the goods due to supplier commission

 

 

Why Choose DM Special Steel Ltd. While Buying Duplex Stainless Steel Fasteners ?

 

  • High pressure sustainability
  • Impeccable surface finish
  • Product replacement warranty
  • After sales support and service
  • World class buying experience
  • Very quick delivery
  • Mill test report/ Digital Mill test report in accordance with EN10204 NACE 3.1, NACE 3.2
  • 3rd Party inspection
  • Government and Private Laboratory Testing
  • Test certificate from ISO 17025 Standards Laboratory
  • Same day shipping of the goods
  • Highest stock in the country
  • Stringent Quality Testing and Control

 

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For More Information About Duplex Stainless Steel Fasteners please call or send an email to  info@nmmehtaco.com