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  • 1/B, Ground Floor, Siddhi Apartment,
    10th Khetwadi Back Road, Mumbai 400 004

Super Duplex Fasteners Manufacturer in India

Super Duplex Fasteners
  • Sizes in Stock: M2 to M80
  • Grades : Super Duplex 2507
  • Known for : High Yield Strength
  • Steel : Austenitic and Ferritic
  • UNS Designation : UNS S32750
  • Stainless Series : 300 Series
  • WNR Designation: WNR 1.4410
  • Sizes Can Be Manufacture: Up to M120
  • Environments : Warm Chlorinated Seawater
  • Ideal for : Marine Applications
  • Certificate : Raw Materials Certificate
  • Testing : Corrosion Testing
  • Production Capacity : 1200 Tons per month

Highly Skilled 2507 Bolts and Nuts Supplier for Seawater Equipment

Super duplex stainless steel fasteners is 100% corrosion resistant in saltwater environments. Super duplex bolts can withstand the harsh chemicals and acids. Alloy 25-7 stud bolt have high tensile strength 800 to 1000 MPa. Dalloyed Fasteners is a leading super duplex fasteners manufacturer in India with an IBR certification.



Recent Export By Dalloyed Fasteners


	Dangote Refinery

Dangote Refinery

	Ras Tanura Refinery

Ras Tanura Refinery

Braskem

Braskem

	Sasol

Sasol

Which 12 Test Reports Netherland Buyers Should Ask Before Buying Super Duplex Fasteners from Dalloyed Fasteners


  • Dimensional Inspection
  • Hardness Testing
  • Positive Material Identification (PMI)
  • Magnetic Particle Inspection (MPI)
  • Tensile Test
  • Impact Test
  • Corrosion Test
  • Proof Load Testing
  • Ferritiscope Testing
  • Stress Rupture Testing
  • Salt Spray Test
  • Wedge Test
Which 12 Test Reports Netherland Buyers Should Ask Before Buying Super Duplex Fasteners from Dalloyed Fasteners

Super Duplex Fasteners Specifications


 Size In Ready Stock

Size In Ready Stock

  • Super Duplex Studs = M4 To M100
  • Super Duplex Nut = M2 To M80
  • Super Duplex Bolt = M1.2 To M48
  • Super Duplex Washer = M2 To M24
Head Type of Super Duplex Bolts

Head Type of Super Duplex Bolts

  • Round head
  • Button head
  • Flat head
  • Hex head
  • Truss head
  Neck Type of Super Duplex 2507 Bolts

Neck Type of Super Duplex 2507 Bolts

  • Knurled Neck
  • Hex Neck
  • Triangular Neck
  • Square Neck
2507 Bolts Threads

2507 Bolts Threads

  • UN
  • UNF
  • CBSF
  • BSW
 Head Drive of UNS S32750 Bolts

Head Drive of UNS S32750 Bolts

  • Phillips/Slot
  • Six-Lobe
  • Slotted
  • Phillips
Super Duplex Bolts and Nuts Ends Types

Super Duplex Bolts and Nuts Ends Types

  • Rounded
  • Sheared
  • Flat or Saw cut
  • Chamfered
Super Duplex Bolts

Super Duplex Bolts

  • Condition : Cold Drawn and Threading
  • Threads : Both Side, Left and Right Hand
Super Duplex Stud Bolts

Super Duplex Stud Bolts

  • End Types : Saw Cut, Rounded, and Flat
  • Threads : Double End. Fine or Fully Threaded
 Super Duplex Screw

Super Duplex Screw

  • Threads Pitch : Coarse and Fine
  • Head Shape : Round, Pan, Button
Super Duplex Washer

Super Duplex Washer

  • Forms : A, D, C, G, B, E
  • Thickness : 0.002" to ½"
  Manufacturing Method

Manufacturing Method

  • Hot forging
  • CNC Machine
  • Cold forging
Advantages

Advantages

  • Good Mechanical Properties
  • Excellent Fatigue Resistance
  • High Toughness
  Standard Testing

Standard Testing

  • Ferrite Count Test
  • UT Test
  • X-Ray Testing
Installations

Installations

  • Marine Engineering
  • Pulp and Paper Industries
  • Food Processing
  Available Packaging

Available Packaging

  • Custom
  • Wooden Cases
  • Carton Box
Raw Material Origin

Raw Material Origin

  • German
  • Janpanese
  • European


Purchase UNS S32750 Socket Head Cap Screw With Polished Surface At Reasonable Cost in India

Super duplex 2507 fasteners have high 4% (molybdenum), 7% (nickel) and 25% (chromium) content. Super duplex bolts and nuts also have good yield strength. SDSS anchor bolt should be used in temperature is below than 570°F. Super duplex fasteners manufacturer in India in hot forging and CNC machining.

Super Duplex Bolts Grades


UNS S32750 Fasteners

UNS S32750 Fasteners

UNS S32760 Fasteners

UNS S32760 Fasteners

Get Super Duplex Stainless Steel Nuts in M4 to M56 with MTC Report

2507 super duplex fasteners manufactured from UNS S32750 stainless steel. Super duplex stainless steel bolt are used in petrochemicals, seawater equipment, power industry and chemical processing. Contact Dalloyed Fasteners for more information regarding our super duplex nuts, or call us +91-7666996996. ADNOC approved super duplex fasteners manufacturer in India. Dalloyed Fasteners also provides third party inspection based on the requirements of our client.


2507 Super Duplex Screws Price List


Price in US Dollar ($)

  • Socket Head Cap Screw
  • Full Thread
  • DIN 933
  • Super 2507
Diameter M6 M8 M10 M12 M14 M16 M20 M22 M24
Length - - - - - - - - -
12 MM - - - - - - - - -
16MM  2.55 - - - - - - - -
20MM 2.55 2.67 - - - - - - -
25MM 2.58 2.78 2.79 - - - - - -
30MM 2.72 2.94 2.92 3.06 4.2 4.33 - - -
35MM 2.84 3.11 3.06 3.34 4.28 4.4 - - -
40MM 3.03 3.35 3.35 3.61 4.43 4.56 7.31 8.09 -
45MM 3.17 3.55 3.59 3.87 4.78 4.92 7.62 8.31 -
50MM 3.36 3.83 3.94 4.15 5.05 5.2 7.8 8.62 9.54
55MM - 3.98 4.07 4.28 2.2 5.35 8.15 8.9 9.87
60MM - 4.09 4.16 4.47 5.36 5.52 8.31 9.14 10.13
65MM - 4.16 4.33 4.6 5.51 5.66 8.81 9.52 10.55
70MM - 4.29 4.51 4.66 5.72 5.89 8.91 9.78 10.85
75MM - 4.42 4.7 4.74 5.86 6.03 7.1 9.83 10.91
80MM - 4.66 4.77 4.81 5.97 6.15 9.37 10.3 11.41
85MM - 4.91 4.95 5.04 6.11 6.28 9.54 10.63 11.82
90MM - 4.98 5.06 5.14 6.44 6.62 9.78 10.71 11.9
100MM - 5.07 5.26 5.42 6.77 6.96 10.13 11.09 12.32

For Updated Super Duplex Socket Head Cap Screw Price Email sales@dalloyedfasteners.com


Stockist of Super Duplex 2507 Bolts Perform PMI Testing Before Dispatch in South Africa

2507 fasteners improved strength and corrosion resistance compared to duplex fasteners. SAF 2507 screws provide corrosion resistance and extreme strength for outdoor and indoor installations. ISO 9001 Certified Company and super duplex fasteners manufacturer in India Since 2015.

Do You Provide Mill Test Certificates with Super Duplex Bolts?


Yes, Dalloyed Fasteners Provide super duplex bolts and nuts with MTR reports as per EN 10204 3.1.

Super Duplex Bolts and Nuts Corrosion Tests


  • Stress Corrosion Cracking Test
  • Intergranular Corrosion Test
  • Pitting Corrosion Test

Advantages of Super Duplex Bolts


Advantages of Super Duplex Bolts

What Makes Super Duplex 2507 Fasteners Superior to Stainless Steel Fasteners?


Super Duplex Fasteners have 2x stronger yield strength than stainless steel fasteners.

UNS S32750 Hex Bolts Corrosion Resistance


Grade Critical Pitting Temperature PREn
Super Duplex Fasteners 185°F 42
Duplex Fasteners 120°F 35
Stainless Steel 316L Fasteners 64°F 24

Since 2015, SAF 2507 Stud Bolt Manufacturer for Marine Applications

UNS S32750 fasteners known for provide pitting and crevice corrosion resistance. Super duplex bolts developed in Sweden for use in paper industry. You can save 10%-12% cost when ordering directly from super duplex fasteners manufacturer in India in ferrous materials.


Super Duplex Bolt Torque


Nominal Diameter (in) Threads/in Torque in Dry
1/4" 20 - 28 7.4 - 8.4 ft-lb
5/16" 18 - 24 15.1 - 16.8 ft-lb
3/8" 16 - 24 26.9 - 30.4 ft-lb
7/16" 14 - 20 43.0 - 48.0 ft-lb
1/2" 13 - 20 65.6 - 73.9 ft-lb
9/16" 12 - 18 94.5 - 105.5 ft-lb
5/8" 11 - 18 130.5 - 147.8 ft-lb
3/4" 10 - 16 232 - 258 ft-lb
7/8" 9 - 14 373 - 412 ft-lb
1" 8 - 14 560 - 628 ft-lb
1-1/4" 7 - 12 975 - 1079 ft-lb
1-1/2" 6 - 12 1696 - 1908 ft-lb

Super Duplex Nuts Tensile Strength


MPa PSI
800 MPa 116000 PSI

Super Duplex Stainless Steel Fasteners Equivalent


American (UNS)

American (UNS)

  USA (Werkstoff No)

USA (Werkstoff No)

Are 2507 Super Duplex Socket Cap Screws Custom Sizes Available?


Yes, Dalloyed fasteners manufacture custom Alloy 2507 socket cap screws as per client requirement and specifications.

Can SAF 2507 Studs be Used in Seawater Applications?


Yes, Super duplex stud bolt designed for harsh chloride environments.

Super Duplex Washer Yield Strength


PSI MPa
80000 PSI 550 MPa

Super Duplex Fasteners Chemical Composition


  Super Duplex Fasteners Chemical Composition

  • C (Carbon) = 0.030% (Maximum)
  • Si (Silicon) = 0.80% (Maximum)
  • Mn (Manganese) = 1.20% (Maximum)
  • P (Phosphorus) = 0.035% (Maximum)
  • Mo (Molybdenum) = 3.00 – 5.00%
  Super Duplex Fasteners Chemical Composition

  • Fe (Iron) = 58.095 (minimum)
  • Cr (Chromium) = 24.00% To 26.00%
  • Ni (Nickel) = 6.00 – 8.00%
  • N (Nitrogen) = 0.24 – 0.32%



Hardness for Super Duplex Stud Bolt


Hardness of 2507 stud bolt is 310 Brinell (maximum).

2507 Bolts Equipment


2507 Bolts Equipment

SDSS Carriage Bolts Applications


  • Oil & Gas Industry
  • Agriculture
  • Nuclear Power Plants
  • Marine
  • Petrochemical
  • Power Generation
  • Ship Building
  • Automobile

Top 5 Benefits of Super Duplex Stainless Steel Bolt


Top 5 Benefits of Super Duplex Stainless Steel Bolt

Alloy 2507 Heavy Hex Nuts Melting Point


  • 1350°C
  • 2460 °F

2507 Fasteners Physical Properties


Physical Properties Super Duplex Fasteners
Density 0.28 lb/in3
Thermal Conductivity 8.7 Btu/h ft °F
Heat Capacity 0.12 Btu/lb/°F
Electrical Resistivity 31.5 W-in x 10-6

Types Of Super Duplex Bolts


Super Duplex Hex Bolt

Super Duplex Hex Bolt

SDSS Eye Bolts

SDSS Eye Bolts

Super Duplex Stainless Steel Heavy Hex Bolts

Super Duplex Stainless Steel Heavy Hex Bolts

Super Duplex Steel Flange Bolts

Super Duplex Steel Flange Bolts

Super Duplex SS Carriage Bolts

Super Duplex SS Carriage Bolts

Super Duplex 2507 U Bolts

Super Duplex 2507 U Bolts

2507 Super Duplex Allen Bolts

2507 Super Duplex Allen Bolts

UNS S32750 Shoulder Bolts

UNS S32750 Shoulder Bolts

Super Duplex Anchor Bolt

Super Duplex Anchor Bolt

Types Of Super Duplex 2507 Nuts


Type 2507 Hex Nuts

Type 2507 Hex Nuts

Inox 2507 Jam Nuts

Inox 2507 Jam Nuts

SAF 2507 Heavy Hex Nuts

SAF 2507 Heavy Hex Nuts

2507 Stainless Steel Coupling Nuts

2507 Stainless Steel Coupling Nuts

Duplex SS 2507 Square Nuts

Duplex SS 2507 Square Nuts

Duplex 1.4410 Acorn Nuts

Duplex 1.4410 Acorn Nuts

Duplex S32750 Wing Nuts

Duplex S32750 Wing Nuts

EN 1.4410 Nylock Nuts

EN 1.4410 Nylock Nuts

Alloy 2507 Anti Theft Nuts

Alloy 2507 Anti Theft Nuts

SDSS 2507 Lug Nuts

SDSS 2507 Lug Nuts

1.4410 Duplex Acorn Lug Nuts

1.4410 Duplex Acorn Lug Nuts

Duplex Spline Lug Nut

Duplex Spline Lug Nut

Types Of Super Duplex Screws


S32750 Super Duplex Socket Cap Screws

S32750 Super Duplex Socket Cap Screws

25cr SDSS Square Head Screws

25cr SDSS Square Head Screws

2507 Button Head Screws

2507 Button Head Screws

F53 Super Duplex Round Head Screws

F53 Super Duplex Round Head Screws

2507 Stainless Steel Flat Head Screws

2507 Stainless Steel Flat Head Screws

Duplex SS 2507 Knurled Head Screws

Duplex SS 2507 Knurled Head Screws

DIN 1.4410 Set Screws

DIN 1.4410 Set Screws

2507 Alloy Butterfly Screws

2507 Alloy Butterfly Screws

Zeron 100 Self Drilling Screws

Zeron 100 Self Drilling Screws

Alloy 2507 Thumb Screws

Alloy 2507 Thumb Screws

2507 SS Wood Screws

2507 SS Wood Screws

25cr Super Duplex Anti Theft Screws

25cr Super Duplex Anti Theft Screws

25cr Duplex Outlet Screws

25cr Duplex Outlet Screws

SDSS 2507 Reusable Screws

SDSS 2507 Reusable Screws

32750 Super Duplex Receptacle Screws

32750 Super Duplex Receptacle Screws

Types Of Super Duplex Stud Bolts


Super Duplex Bolts

Super Duplex Bolts

Super Duplex Stainless Studs

Super Duplex Stainless Studs

SDSS Full Threaded Stud Bolts

SDSS Full Threaded Stud Bolts

Super Duplex SS Double End Stud Bolts

Super Duplex SS Double End Stud Bolts

Super Duplex 2507 Weld Studs

Super Duplex 2507 Weld Studs

2507 Super Duplex Tap End Stud Bolts

2507 Super Duplex Tap End Stud Bolts

Types Of 2507 Super Duplex Washer


UNS S32750 Square Washer

UNS S32750 Square Washer

Type 2507 Flat Washer

Type 2507 Flat Washer

Inox 2507 Self Locking Washer

Inox 2507 Self Locking Washer

SAF 2507 Fender Washers

SAF 2507 Fender Washers

Duplex SS 2507 Wedge Lock Washer

Duplex SS 2507 Wedge Lock Washer

Alloy 2507 Spring Lock Washer

Alloy 2507 Spring Lock Washer