Duplex Fasteners

Duplex Fasteners Manufacturer in India, DSS Bolt and Nuts Grades

Duplex Fasteners Highlights
Ready Stock: M1.2 – M48
Custom Sizes: Up to 4″
Length: 3mm to 200mm
International Standard: DIN 970, DIN 933, DIN 931, ASME B18 2.2 and ASME B18 2.1
European and American Standard: ASTM A276/A1049/A1082, ISO 4032/4033
Raw Material Origin: SA, Europe, New Zealand, Algeria, United Kingdom, Morocco, South Africa, New Zealand, Australia India etc
MTC: EN 10204/3.1B
Suitable Environment: Salt Water and Mild Acids
Duplex Hex Bolts Thread Pitch: Fine Thread and Coarse Thread
Finish: HDG, Phosphating, Oxidation
Threads: UNJ, UNC, UNF, Rolled, UNR
Temperature Range: -50 °C – 300 °C
To Know About Latest Price List of Duplex Fasteners Please Contact Us

Duplex Bolts

Duplex Bolts

Duplex Stud Bolts

Duplex Stud Bolts

DSS Fasteners

DSS Fasteners

 

Table of Content

 

Duplex Fasteners Specification

Get Duplex Fasteners Manufacturer in India Who Odder Technical Specification in Detail

Bolts Size
Duplex Bolts Size
  • M1.2 To M48
Metric Size
Duplex Screw Sizes
  • M1.2 To M48

 

Length
Duplex Threaded Rod Size
  • M4 To M45
Thread Pitch
Duplex Steel Studs Thread Pitch
  • Fine
  • Coarse
Manufacturing Methods
Duplex Hex Bolts Manufacturing Methods
  • Hot Forging
  • Cold Forging
  • CNC Machined
Form
Duplex Washer Form
  • A
  • D
  • C
  • G
  • B
  • E

 

Temperature
DSS Screws Melting Point
  • 1385 – 1443°C
Standards
Duplex SS Fasteners ASTM Standards
  • ASTM A276/A1049/A1082
Material
Duplex Bolts Grades
  • Duplex 2205

 

Finish
Duplex Stainless Studs Surface Finish
  • Phosphating, Zinc impregnation
  • Plain, Electric galvanized
  • Oxidation, DACROMET
Machines
DSS Fasteners Machines
  • CNC Lath
  • Thread Rolling
  • Making Machines
Testing
Duplex Stainless Steel Screws Testing
  • 100% Tested Duplex Fasteners with MTC EN 10204 3.1/3.2

 

Thread Types
Duplex Nuts Thread Types
  • UN8
  • BSW
  • ACME
  • UNF
  • UNR
  • UNM
  • BSF
  • UTS
  • UNC

 

Fastener Types
Duplex Fasteners Types
  • bolt
  • nuts
  • screws
  • washers
  • stud bolt
  • threaded rod
  • hex bolt

 

Value Added Services
Duplex Stainless Steel Studs Value Added Services
  • Head Shank Drilling
  • Thread Locking
  • Head Painting
  • Bagging
Drive Style
DSS Bolt Drive Types
  • Oval
  • Pan
  • Cross
  • Truss
  • Torx
  • Round
  • Hex
  • Hexagon washer

 

Head Types
Duplex Steel Bolt Head Types
  • Flat
  • Phillips Drive
  • Socket cap head
  • Button head
  • Slotted Drive
  • Slotted hex washer
  • Hex washer head
  • Pan
  • Hex head
  • Oval
  • Frearson Drive
  • Combination Drive
  • Truss
Thread Class
Duplex screws Thread Class
  • Class 2A (Medium fit)
  • 2G
  • 5 ONF
  • 3G
  • 4G
  • custom
  • 5 CSF
  • Class 1A (Loose fit)
  • 6G
  • Class 3A (Tight fit)
  • 5 HF
  • 8G

 

 

Duplex Fasteners Grades Available in Stock

Discover Duplex Fasteners Manufacturer in India Who Offer Various Grades

  • UNS S32205
  • UNS S31803

 

Supplier of Duplex SS Screws and Hex Bolt With Coarse or Fine Threads Pitch at Low Price in Mumbai

Duplex Stainless Studs Thread Pitch Options
  • Metric coarse (M)
  • Unified Coarse (UNC)
  • Unified Fine (UNF)

 

Duplex Fasteners Size Chart

Find Duplex Fasteners Supplier in India Who Deliver in Various Sizes

Metric Size – M48 M42 M36 M100 M90 M12 M10 M30 M80 M72 M64 M56 M16 M14 M24 M20
OD D (min) 47.38 41.38 35.61 99.13 89.13 11.73 9.78 29.67 79.26 71.26 63.26 55.26 15.73 13.73 23.67 19.67
– D (max) 48 42 36 90 90 12 10 30 80 72 64 56 16 14 24 20
Head H (min) 28.93 25.03 21.63 60.1 54.26 4.24 6.17 17.92 48.42 43.55 38.68 33.8 9.68 8.51 14.56 12.12
– H (max) 31.07 26.97 23.38 63.9 57.74 7.76 6.63 19.48 51.58 46.45 41.32 36.2 10.32 9.09 15.44 12.88
Flats F (min) 72.6 62.9 53.8 140 125.5 17.73 15.73 45 111 101.4 91.8 82.2 23.67 20.67 35 29.16
– F (max) 75 65 55 145 130 19 17 46 115 105 95 85 24 22 36 30
Corners C (min) 82.76 71.71 60.79 159.6 143.07 20.03 17.77 50.85 126.54 115.6 104.65 93.71 26.75 23.35 39.55 32.95
– C (max) 86.6 75.06 63.51 167.43 150.11 20.78 18.48 53.12 132.72 121.24 109.7 98.15 27.71 24.25 41.57 34.64

 

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

 

Duplex Flange Bolts Torque Chart

Find Duplex Fasteners Supplier in India who provides wide Stock of duplex hex bolts along with suggested tightening torque values

Flange Size B16.5 Class 150 FF/ Full Face Gaskets B16.5 Class 150 RF/ Ring Gaskets
Torque / Round (ft-lbs) Stud Bolts Tighten Sequence Torque / Round (ft-lbs) Stud Bolts Tighten Sequence
1st 2nd Final Dwg*/No. Bolt Size 1st 2nd Final Dwg/No. Bolt Size
1/2 20 40 60 4-bolt 1/2 10 20 30 4-bolt 1/2
3/4 20 40 60 4-bolt 1/2 13 27 40 4-bolt 1/2
1 20 40 60 4-bolt 1/2 15 30 50 4-bolt 1/2
1-1/4 20 40 60 4-bolt 1/2 20 40 60 4-bolt 1/2
1-1/2 20 40 60 4-bolt 1/2 20 40 60 4-bolt 1/2
2 40 80 120 4-bolt 5/8 40 80 120 4-bolt 5/8
2-1/2 40 80 120 4-bolt 5/8 40 80 120 4-bolt 5/8
3 40 80 120 4-bolt 5/8 40 80 120 4-bolt 5/8
3-1/2 40 80 120 8-bolt 5/8 40 80 120 8-bolt 5/8
4 40 80 120 8-bolt 5/8 40 80 120 8-bolt 5/8
5 60 120 200 8-bolt 3/4 60 120 200 8-bolt 3/4
6 60 120 200 8-bolt 3/4 60 120 200 8-bolt 3/4
8 60 120 200 8-bolt 3/4 60 120 200 8-bolt 3/4
10 95 190 320 12-bolt 7/8 95 190 320 12-bolt 7/8
12 95 190 320 12-bolt 7/8 95 190 320 12-bolt 7/8
14 147 294 490 12-bolt 1 147 294 490 12-bolt 1
16 147 294 490 16-bolt 1 147 294 490 16-bolt 1
18 213 426 710 16-bolt 1-1/8 213 426 710 16-bolt 1-1/8
20 213 426 710 20-bolt 1-1/8 213 426 710 20-bolt 1-1/8
24 300 600 1,000 20-bolt 1-1/4 300 600 1,000 20-bolt 1-1/4

 

Find Duplex Steel Stud Bolt Ex.Stock Produce by Forged Process With UNC, UNF and BSF Threads

Duplex Steel Stud Bolt Forged Process
  • Hot Forging
  • CNC Machined
  • Cold Forging

 

Duplex Steel Bolts CNC Machine Operations

Duplex Steel Bolts CNC Machine Operations

Price List of Duplex Fasteners

Do You Want to Know the Most Recent DSS Fasteners Price List in India, Please Contact Us aaaa Price List

Exporter of DSS Washer and Threaded Rod With Phosphating and HDG Surface Finish With MTC EN 10204 3.1 and 3.2
Duplex Steel Threaded Rod Surface Finish
  • DACROMET
  • Zinc impregnation
  • HDG
  • Oxidation
  • Phosphating
  • Electric galvanized

 

Types of Duplex Fasteners

Duplex Stainless Screw

Duplex Stainless Screw

Duplex Stainless Steel Threaded Rod

Duplex Stainless Steel Threaded Rod

Duplex Rivet

Duplex Rivet

DSS Dowel Pin

DSS Dowel Pin

Duplex SS Washer

Duplex SS Washer

Duplex Eye Bolt

Duplex Eye Bolt

DSS Hex Bolts

DSS Hex Bolts

Duplex Stainless Anchor Bolts

Duplex Stainless Anchor Bolts

Duplex Steel U Bolts

Duplex Steel U Bolts

DSS J-Bolts

DSS J-Bolts

Duplex Wing Nut

Duplex Wing Nut

Duplex SS Lock Nuts

Duplex SS Lock Nuts

Duplex Stainless Steel Coupling Nut

Duplex Stainless Steel Coupling Nut

Duplex Hex Nut

Duplex Hex Nut

Duplex Stainless Steel Bolt

Duplex Stainless Steel Bolt

Buy Duplex Stainless Steel Hex Nut, Rivet and Dowel Pin With Custom Packaging Marine Application
Duplex Fasteners Applications
  • Marine construction
  • Chemical processing
  • Oil and gas industry
  • High-pressure pipelines
  • Pulp and paper industry

 

Duplex Stainless Steel Fasteners Chemical Composition
Grade C P S Mn Si Cr Mo N Fe Ni
S31803 0.030 max 0.030 max 0.020 max 2.00 max 1.00 max 22.0 – 23.0 3.0 – 3.5 0.14 – 0.20 63.72 min 4.50 – 6.50
S32205 0.030 max 0.030 max 0.020 max 2.00 max 1.00 max 21.0 – 23.0 2.50 – 3.50 0.8 – 0.20 63.54 min 4.50 – 6.50

 

DSS Bolt Mechanical Properties
S31803

S32205

 Yield Strength (0.2%Offset) Tensile Strength Density Melting Point Elongation
Psi – 80000 , MPa – 550 Psi – 116000 , MPa – 800 7.8 g/cm3 1350 °C (2460 °F) 15 %

 

Duplex Stud Bolts Equivalent Grades
STANDARD UNS WNR
Duplex UNS S31803

UNS S32205

 1.4462

1.4462

 

DSS Dowel Pin Physical Properties
Temperature at 572°F at 392°F at 68°F at 212°F
Conductivity (BTU/hr•ft•°F) 10.4 9.8 8.7 9.2
Resistivity (mW•in) 24.9 25.4 27.6 26.1
Heat (BTU/lbm•°F) 0.134 0.127 0.112 0.119

 

Duplex Stainless Steel Fasteners Heat Treatment
Heat Treatment Maximum Recommended Forming Temp. Annealment Temp. (Minimum) Working Range
Temperature 600°F 1900°F 1750°F To 2250°F

 

Duplex Threaded Rod Corrosion Cracking Resistance
Boiling 25% NaCl Pass
Boiling 42% MgCl2 Fail
Wick Test Pass

 

Duplex Stud Bolts DIN Standards
Hexagon Bolts and Set Screws Stud bolts Socket cap screws Hexagon nuts
DIN 931 BS4882 DIN 912 DIN 934
DIN 933 DIN 976 DIN 6912 BS 1768
ISO 4014 – UNI 5931 ISO 4032
ISO 4017 – BS 2470 ISO 4033
BS 1769 – BS 4168 ANSI B18.2.2
BS 3692 – – –
BS 1768 – DIN 7984 BS 1769
UNI 5731 – ANSI B18.3 BS 1083
UNI 5739 – ISO 4762 BS 3692
ANSI B18.2.1 – – –

 

Socket and Set Screw Socket and Countersunk Screws Washer Studs
DIN 916 BS 1981 BS 3410 BS 4439
DIN 551 BS 483 – BS 2693
DIN 553 BS 2470 Spring Washers –
DIN 913 DIN 963 DIN 125 DIN 938
DIN 914 DIN 7991 DIN 9021 DIN 939
DIN 915 BS 4168 BS 4320 DIN 2510
DIN 438 – DIN 127 –
BS 4168 – BS 4464 –
– – BS 1802 –

 

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Duplex Steel

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