• info@kanakratnasteelage.com
  • +(91)-9833663111

Duplex Fasteners Manufacturer in India

Duplex Fasteners Overview

As a leading Duplex Fasteners Manufacturer in India, we specialize in providing high-performance products for industrial applications.

Duplex Fasteners Overview

  • Metric Size
  • Imperial Size
  • Thread
  • Length
  • Custom Size
  • M3 to M56
  • 3/6 to 2"
  • BSF, UNC, BSW
  • 3 to 200 mm
  • Yes
Duplex Fasteners Standards
  • UNS: S31803, S32205
  • WNR: 1.4462
  • Specification: ASTM A1049, ASTM A1082, ISO 4032/4033
  • Trade Name: SM22CR®, 22 Chrome Duplex, SAF 2205, Alloy 2205
Duplex Fasteners Standards

Top Alloy 2205 Bolts & Nuts Supplier in India With Metric Size M3 to M56

Alloy 2205 Bolts Metric Size
Size OD Head Flats Corners
D (min) D (max) H (min) H (max) F (min) F (max) C (min) C (max)
M16 15.73 16 9.68 10.32 23.67 24 26.75 27.71
M14 13.73 14 8.51 9.09 20.67 22 23.35 24.25
M12 11.73 12 4.24 7.76 17.73 19 20.03 20.78
M10 9.78 10 6.17 6.63 15.73 17 17.77 18.48
M42 41.38 42 25.03 26.97 62.90 65 71.71 75.06
M36 35.61 36 21.63 23.38 53.80 55 60.79 63.51
M30 29.67 30 17.92 19.48 45 46 50.85 53.12
M24 23.67 24 14.56 15.44 35 36 39.55 41.57
M20 19.67 20 12.12 12.88 29.16 30 32.95 34.64
M80 79.26 80 48.42 51.58 111 115 126.54 132.72
M72 71.26 72 43.55 46.45 101.40 105 115.60 121.24
M64 63.26 64 38.68 41.32 91.80 95 104.65 109.70
M56 55.26 56 33.80 36.2 82.20 85 93.71 98.15
M48 47.38 48 28.93 31.07 72.60 75 82.76 86.60
M100 99.13 90 60.10 63.9 140 145 159.60 167.43
M90 89.13 90 54.26 57.74 125.50 130 143.07 150.11

Duplex Stainless Steel Bolts

Duplex Stainless Steel Bolts

Duplex Steel Stud Bolt

Duplex Steel Stud Bolt

Duplex Stainless Screws

Duplex Stainless Screws



Duplex Fasteners Specification

Table Of Content

Duplex Fasteners Specification
Sizes

Duplex Fasteners Sizes

  • Metric sizes: M3 to M56
  • Imperial Sizes : 3/6 to 2"
  • Length: 3 to 200 mm

Threaded Rod Threads

Duplex Stainless Steel Threaded Rod Threads

  • Left hand
  • Right hand
  • Both right and left
Screw Head

Duplex Steel Screw Head

  • Button
  • Round
  • Truss
  • Pan
Bolts Thread

Duplex Stainless Bolts Thread

  • BSF
  • METRIC
  • UNF, BSW
  • UNC
Studs Type

Stainless Steel Duplex Studs Type

  • Fully/Fine Threaded
  • Tap-End
  • Double-End
Bolts Neck Type

Duplex Bolts Neck Type

  • Triangular
  • Hex, Square
  • Knurled
Screw Tip Style

DSS Screw Tip Style

  • A pinch
  • Dog
  • Rolled
  • Die
Studs End

Duplex SS Studs End

  • Rounded
  • Sheared. Flat
  • Saw cut
  • Chamfer
Physical Properties

Duplex 2205 Bolts Physical Properties

  • Melting Point: 1350 - 1400 °C
  • Density: 7.8 g/cm³
  • Specific Heat :475 J/kg·K
Types

Duplex Fasteners Types

  • Bolts and Nut
  • Screws, Washer 
  • Threaded Rod, Studs
Origin

Duplex 2205 Fasteners Origin

  • Japanese
  • American, Korean
  • Indian, European
Finish

Duplex Screws Finish

  • Phosphating
  • Oxidation
  • HDG
Process

Duplex Stainless Steel Fasteners Process

  • Cold Forging
  • Hot Forging
  • CNC machined
Marking

Removerite Duplex Screws Marking

  • Material grade
  • Sizes, Manufacturer logo
  • Origin of material

Threaded Rod Conditon

DSS Threaded Rod Conditon

  • Cold Drawn
  • Threading


Application

Duplex 2205 Bolts Application

  • Oil & Gas Industry
  • Chemical Processing
  • Marine Industry

 

Packaging

Duplex Nut Packaging

  • Wooden Boxes
  • Bubble Wraps
  • Custom
Screw Thread Pitch

Thread Pitch Of SAF 2205 Screw

  • Coarse Threads
  • Fine Threads

 

As a trusted Duplex Fasteners Supplier in India, we deliver products engineered for exceptional resilience and manufactured.

Producing a Wide Range of Duplex Screws 2 3 4 in Various Grades and Threads At Lowest Price

Duplex Fasteners Price

Are You Looking to Find the Best Deal on Duplex Fasteners?? Click Here

Dimensions Chart for Duplex Fasteners
Bolt Size SAE USS
OD (in.) ID (in.) Thickness OD (in.) ID (in.) Thickness
3/4 1.469 0.812 .108/.160 2.000 0.812 .122/.177
1 1/2 3.000 1.625 .153/.213 3.500 1.625 .153/.213
1 5/8 - - - 3.750 1.750 .153/.213
1/4 (#14) 0.625 0.281 .051/.080 0.734 0.312 .051/.080
5/16 0.688 0.344 .051/.080 0.875 0.375 .064/.104
3/8 0.812 0.406 .051/.080 1.000 0.438 .064/.104
7/16 0.922 0.469 .051/.080 1.250 0.500 .064/.104
1 2.000 1.062 .108/.160 2.500 1.062 .136/.192
1 1/8 2.250 1.250 .108/.160 2.750 1.250 .136/.192
1 1/4 2.500 1.375 .136/.192 3.000 1.375 .136/.192
1 3/8 2.750 1.500 .136/.213 3.250 1.500 .153/.213
2 - - - 4.500 2.125 .153/.213
2 1/4 - - - 4.750 2.375 .320/.248
2 1/2 - - - 5.000 2.625 .210/.280
2 3/4 - - - 5.250 2.875 .228/.410S
1 3/4 - - - 4.000 1.875 .153/.213
1 7/8 - - - 4.250 2.000 .153/.213
1/8 (#6) 0.375 0.156 .036/.065 - - -
5/32 (#8) 0.438 0.188 .036/.065 - - -
3/16 (#10) 0.500 0.220 .036/.065 0.560 0.250 .036/.065
7/32 (#12) 0.562 0.250 .051/.080 - - -
5/8 1.312 0.656 .074/.121 1.750 0.688 .108/.160
7/8 1.750 0.938 .108/.160 2.250 0.938 .136/.192
1/2 1.062 0.531 .074/.121 1.375 0.562 .086/.132
9/16 1.156 0.594 .074/.121 1.469 0.625 .086/.132
3 - - - 5.500 3.125 .249/.327

Professional Duplex Fasteners Supplier providing custom solutions backed by superior material science.

Duplex Hex Bolt Dimensions
Duplex Hex Bolt Dimensions

 

Nominal Size (D) Body Dia. Head Thickness Acro The Flats Acro Corners
D (MAX) D (MIN) H (MAX) H (MIN) F (MAX) F (MIN) C (MAX) C (MIN)
M12 12.00 11.73 7.76 4.24 19.00 17.73 20.78 20.03
M14 14.00 13.73 9.09 8.51 22.00 20.67 24.25 23.35
M10 10.00 9.78 6.63 6.17 17.00 15.73 18.48 17.77
M16 16.00 15.73 10.32 9.68 24.00 23.67 27.71 26.75
M20 20.00 19.67 12.88 12.12 30.00 29.16 34.64 32.95
M30 30.00 29.67 19.48 17.92 46.00 45.00 53.12 50.85
M24 24.00 23.67 15.44 14.56 36.00 35.00 41.57 39.55
M36 36.00 35.61 23.38 21.63 55.00 53.80 63.51 60.79
M48 48.00 47.38 31.07 28.93 75.00 72.60 86.60 82.76
M56 56.00 55.26 36.2 33.80 85.00 82.20 98.15 93.71
M42 42.00 41.38 26.97 25.03 65.00 62.90 75.06 71.71
M64 64.00 63.26 41.32 38.68 95.00 91.80 109.70 104.65
M80 80.00 79.26 51.58 48.42 115.00 111.00 132.72 126.54
M72 72.00 71.26 46.45 43.55 105.00 101.40 121.24 115.60
M90 90.00 89.13 57.74 54.26 130.00 125.50 150.11 143.07
M100 90.00 99.13 63.9 60.10 145.00 140.00 167.43 159.60
Alloy 2205 Socket Head Cap Screw Dimensions
Alloy 2205 Socket Head Cap Screw Dimensions

 

Nominal Size Head Dia Body dia. and Head height Hex Socket Size Soc. length Thread. Pitch
Max Min Max Min
A D /H J K
M4 7.00 6.64 4.00 3.82 3.00 2.00 0.70
M3 5.50 5.20 3.00 2.86 2.50 1.3 0.5
M8 13.00 12.57 8.00 7.78 6.00 4.3 1.25
M5 8.50 8.14 5.00 4.82 4.00 2.70 0.8
M6 10.00 9.64 6.00 5.82 5.00 3.30 1.0
M10 16.00 15.57 10.00 9.78 8.00 5.50 1.5
M16 24.00 23.48 16.00 15.73 14.00 8.80 2.0
M24 36.00 35.38 24.00 23.67 19.00 12.90 3.0
M12 18.00 17.57 12.00 11.73 10.00 6.60 1.75
M20 30.00 29.48 20.00 19.67 17.00 10.70 2.5
Duplex 2205 Nuts Dimensions
Duplex 2205 Nuts Dimensions

 

Nut Size (mm) Diameter* (mm) Height (mm)
Nylock Nut Hex Nut Jam Nut
2 4 - 1.6 1.2
2.5 5 - 2 1.6
3 5.5 4 2.4 1.8
4 7 5 3.2 2.2
5 8 5 4 2.7
6 10 6 5 3.2
7 11 - 5.5 3.5
8 13 8 6.5 4
10 17 10 8 5
12 19 12 10 6
14 22 14 11 7
16 24 16 13 8
18 27 18.5 15 9
20 30 20 16 10
Duplex Fasteners Types
Duplex Stainless Steel Nut

Duplex Stainless Steel Nut

Duplex Steel Threaded Rod

Duplex Steel Threaded Rod

Duplex Stainless Dowel Pin

Duplex Stainless Dowel Pin

Stainless Steel Duplex Rivet

Stainless Steel Duplex Rivet

Duplex Hex Bolts

Duplex Hex Bolts

DSS U Bolts

DSS U Bolts

ASTM A1082 UNS S32205 Washer

ASTM A1082 UNS S32205 Washer

Duplex 2205 Anchor Bolts

Duplex 2205 Anchor Bolts

Alloy 2205 Wing Nut

Alloy 2205 Wing Nut

SAF 2205 J-Bolts

SAF 2205 J-Bolts

WNR 1.4462 Coupling Nut

WNR 1.4462 Coupling Nut

DSS 2205 Eye Bolt

DSS 2205 Eye Bolt

22 Chrome Duplex Hex Nut

22 Chrome Duplex Hex Nut

SM22CR® Lock Nuts

SM22CR® Lock Nuts

ASTM A1049 UNS S31803 Socket Head Cap Screw

ASTM A1049 UNS S31803 Socket Head Cap Screw


Duplex Bolt Torque
Nominal Diameter (in) Torque ft-lb (Lubricated) Threads (in) Torque ft-lb (Dry)
1/2 43.0 13 57.4
- 48.5 20 64.7
- 31.5 24 42.0
1-1/2 639 6 1484
- 708 12 944
1/4 4.8 20 6.5
- 11.0 24 14.7
- 69.2 18 92.3
1-1/4 639 7 853
- 412 14 549
3/4 152 10 203
- 97.0 18 129.3
- 170 16 226
- 270 14 361
7/8 245 9 326
1 368 8 490
5/16 10.0 18 13.2
3/8 17.7 16 23.5
- 5.5 28 7.4
- 19.9 24 26.6
9/16 62.1 12 82.7
5/8 85.7 11 114.2
7/16 28.2 16 37.6
- 1252 12 1669

Certified Duplex Fasteners Supplier of high-integrity products with proven resistance to fatigue.

Get Qualitative ASTM A1049 UNS S31803 Studs With Chamfer and Saw Cut End

Duplex Stainless Steel Stud Welding
Duplex Stainless Steel Stud Welding
Duplex Stainless 2205 Flat Washer Dimensions
Bolt Size SAE USS
ID (in.) OD (in.) Thickness ID (in.) OD (in.) Thickness
1 1.062 2.000 .108/.160 1.062 2.500 inch .136/.192
1 1/4 1.375 2.500 .136/.192 1.375 3.000 inch .136/.192
1 1/8 1.250 2.250 .108/.160 1.250 2.750 inch .136/.192
1 3/8 1.500 2.750 .136/.213 1.500 3.250 inch .153/.213
3/8 0.406 0.812 .051/.080 0.438 1.000 inch .064/.104
5/16 0.344 0.688 .051/.080 0.375 0.875 inch .064/.104
7/16 0.469 0.922 .051/.080 0.500 1.250 inch .064/.104
9/16 0.594 1.156 .074/.121 0.625 1.469 inch .086/.132
1/2 0.531 1.062 .074/.121 0.562 1.375 inch .086/.132
1/4 (#14) 0.281 0.625 .051/.080 0.312 0.734 inch .051/.080
5/8 0.656 1.312 .074/.121 0.688 1.750 inch .108/.160
7/8 0.938 1.750 .108/.160 0.938 2.250 inch .136/.192
3/4 0.812 1.469 .108/.160 0.812 2.000 inch .122/.177
3/16 (#10) 0.220 0.500 .036/.065 0.250 0.560 inch .036/.065
5/32 (#8) 0.188 0.438 .036/.065 - - -
1/8 (#6) 0.156 0.375 .036/.065 - - -
7/32 (#12) 0.250 0.562 .051/.080 - - -
What NDT methods are used to ensure the quality of Duplex Fasteners?
  • Dye Penetrant Testing
  • Magnetic Particle Testing
  • Ultrasonic Testing (UT)
  • Eddy Current Testing (ECT)
  • Radiographic Testing
  • Positive Material Identification
  • Ferrite Content Testing

Precision-focused Duplex Fasteners Stockist crafting products to meet demanding specifications.

Sizes of 22 Chrome Duplex Threaded Rod
Threaded Rod Weight per metre Threaded Rod Thread Threaded Rod Strength
Threaded Rod Class 70 Threaded Rod Class 80
UTS 0.2% proof UTS 0.2% proof
Kg/m kN kN kN kN
0.72 M12 64.0 41.0 73.0 54.0
1.31 M16 109.9 70.7 125.6 94.2
2.05 M20 171.5 110.3 196.0 147.0
2.96 M24 247.1 158.9 282.4 211.8
3.83 M27 321.3 206.6 367.2 275.4
4.70 M30 392.7 252.6 448.8 336.6
5.78 M33 485.8 312.3 555.2 416.4
6.84 M36 571.9 367.7 653.6 490.2
8.14 M39 683.2 439.2 780.8 585.6
9.38 M42 784.7 504.5 896.6 672.6
10.90 M45 914.2 587.7 1044.8 783.6
12.32 M48 1031.1 662.9 1178.4 883.8
14.65 M52 1230.6 791.1 1406.4 1054.8
DSS Threaded Rod Surface Finishes
  • Passivation
  • Epoxy Coating
  • Teflon Coating
  • Electro Polished
  • Oxidized
  • Hot Dipped Galvanizing
  • Chrome Plating
  • Zinc Plating
  • Mirror Buffed

Dependable Duplex Fasteners Stockist with a focus on performance, safety, and innovation.

Exporting and Supplying Japanese Origin WNR 1.4462 Threaded Rod For Marine environments
WNR 1.4462 Threaded Rod Applications
WNR 1.4462 Threaded Rod Applications

Tips for Working with Duplex Fasteners
  • Avoid Stress Corrosion Cracking
  • Regular Inspection
  • Proper Torque Application
  • Protective Coatings
  • Material Selection
  • Regular Inspection
DSS 2205 Hex Bolts Threads
Thread Type Standard Thread Pitch/Size
Metric ISO 4042 / ISO 898-1 M6, M8, M10, M12, M16, M20, M24, M30
BSW (British Standard Whitworth) BS 84 1/4-20, 3/8-16, 1/2-12, 5/8-14
BSF (British Standard Fine) BS 1083 1/4-26, 3/8-24, 1/2-20, 5/8-18
UNF (Unified National Fine) ASME B18.2.1 1/4-28, 3/8-24, 1/2-20, 5/8-18, 3/4-16
UNC (Unified National Coarse) ASME B18.2.1 1/4-20, 3/8-16, 1/2-13, 5/8-12, 3/4-10

Reliable Duplex Fasteners Stockist with a reputation for precision, quality, and endurance.

WNR 1.4462 Fastener HSN Code
Material HSN Code
Alloy 2205 73181190
Offer Forged and CNC Machined SAF 2205 Dowel Pin and Rivet With Custom Packaging
Packing of Duplex 2205 Fasteners
Packing of Duplex 2205 Fasteners
Duplex Stainless Steel Fasteners Equivalent
Grade Euronorm UNS BS
2205 1.4462 S31803, S32205 318S13
UR52N+ 1.4507 S32520, S32550 -
Duplex Bolts Chemical Composition
% 2205 UR52N+
Cr 21-23 24-26
P 0-0.03 0.035
S 0-0.02 0.02
C 0-0.03 0.03 max
Mo 2.5-3.5 3.0-5.0
N 0.08-0.2 0.2-0.35
Cu - 0.5-3.0
Ni 4.5-6.5 5.5-8.0
Si 1.0 0.8
Mn 2.0 1.5
Mechanical Properties of DSS Threaded Rod
Grade 2205 UR52N+
Tensile Strength (MPa) 620 770
Proof Stress 0.2% (MPa) 450 550
Elongation A5 (%) 25 25
Duplex Screws Physical Properties
Property 2205 UR52N+
Density (g.cm3) 7.805 7.810
Thermal Expansion (m/m.K) 13.7 x 10-6 to 100 °C 13.5 x 10-6 to 200 °C
Electrical Resistivity (Ω.m) 0.85 x 10-6 0.85 x 10-6
Modulus of Elasticity (GPa) 200 205
Thermal Conductivity (W/m.K) 19 at 100 °C 17 at 100 °C
Are special tools required when installing Duplex Fasteners?
  • Calibrated Torque Wrench
  • Hydraulic Torque Wrench
  • Hydraulic Bolt Tensioners
  • Anti-Galling Paste Applicator
  • Ultrasonic Bolt Elongation Meter
Ready Stock of Duplex Fasteners
Duplex Steel 2205 M6 X 40mm Fully Threaded Rods

Duplex Steel 2205 M6 X 40mm Fully Threaded Rods

M3-M52 Duplex Stainless Steel Stub Bolt

M3-M52 Duplex Stainless Steel Stub Bolt

M6 DIN127 Duplex Steel Lock Washer

M6 DIN127 Duplex Steel Lock Washer

Duplex Stainless Steel M5 Machine Screws Bolts

Duplex Stainless Steel M5 Machine Screws Bolts

M6-M36 Duplex Stainless Steel Hexagon Nut

M6-M36 Duplex Stainless Steel Hexagon Nut

M20 Duplex Stainless Steel 2205 Hex Bolt

M20 Duplex Stainless Steel 2205 Hex Bolt



Additionally, Kanakratna keeps Alloy 825 Seamless Pipes and Inconel 718 Plates in ex-stock in India. All materials meet American standards and have an MTC certificate.

Discover Our Ready Inventory in These Locations
Dubai Muscat Ras Al Khaimah Riyadh
Al Khobar/ Abu Dhabi Saudi Arabia Ajman Al Jubail
Armenia Sharjah Doha Fujairah
Our Wide Clientele in Following Locations
Export to Shipping Time in Days Export to Shipping Time in Days Export to Shipping Time in Days
Algeria
Algeria		 17 Tanzania
Tanzania		 18 Russia
Russia		 22
Thailand
Thailand		 10 Vietnam
Vietnam		 10 Tunisia
Tunisia		 18
UAE
UAE		 5 Iraq
Iraq		 12 Oman
Oman		 5
Nigeria
Nigeria		 9 Australia
Australia		 20 Indonesia
Indonesia		 9
Philippines
Philippines		 12 New Zealand
New Zealand		 25 Qatar
Qatar		 6
Europe
Europe		 19 Cyprus
Cyprus		 16 Kenya
Kenya		 19
Netherlands
Netherlands		 8 Lebanon
Lebanon		 14 Singapore
Singapore		 8
You may also Intrested in following material:
Buyer Questions

Duplex Fasteners Manufacturer in India FAQs

What is Duplex Fasteners made from?

It's a duplex stainless steel (austenitic-ferritic), manufactured and stocked by us to ASTM A1049 specifications.

Which specifications does Duplex Screws meet?

It meets ASTM A1049 and UNS S32205 for chemical composition, mechanical properties and dimensional tolerance.

What sizes does Duplex Screws 2 3 4 come in?

We supply standard mill sizes ex-stock, with custom cutting available on request.

Where does Kanakratna Steelage stock Duplex Bolts from?

We stock and ship ex-Mumbai, India, with pan-India and international export delivery.

What determines Duplex Screws 3 pricing?

Price depends on size, quantity, form, heat-treatment condition and current raw-material market rates.

Fasteners in Stock
ASTM Standard
Other

Why Kanakratna Steelage ?
  • NACE Certified and No.1 Supplier, Distributors and Stockist of High Nickle Based Alloys Material in Mumbai, India
  • Offer Reseller Price to Dealer and Wholesalers in West Asia, Malaysia, Thailand, Algeria, Indonesia, MENA countries, South Africa and West Africa
  • Importers in Europe of Premier High Temperature Alloys in Various Forms like Bars, Pipe, Plate, Fittings, Fasteners, Flanges etc. for Ship Repairing yard, Oil and Gas Industry
  • Keep Wide Stock of Nickel Alloy Bar and Plate in Vietnam, Netherlands, Russia, Myanmar, Kenya, etc.
  • Importer and Stockholder of Prime Quality Oil and Gas Piping Products As per Standard and With Material Testing
  • Rank in Top 5 Exporter of Nickel Alloy Forgings at Competitive Price, Compare Price in India, Nigeria, China and Middle East
  • Offer Cut to Size Facility Without Extra Cost.
  • Over 500 Traders and Steel Fabricators in Middle East and Gulf Countries Import Aerospace Material From Kanakaratna Since 25 years.
Make a Call for Any Type Query.
+(91)-(22)-67521234