Duplex Steel Hex Bolts Product Overview
Main Things to Remember Before buying Customized Size QC System
  • Customizations
  • Certifications
  • Sales Support
  • Timely Delivery
  • Acceptable Upon Request″
  • 100% Inspection Before Shipment
Iso Standard Connection HS Code
  • ISO 4033, ISO 4032
  • Common Bolt
  • 75062000

DSS Hex Bolt

DSS Hex Bolt

Duplex Fasteners

Duplex Fasteners

Duplex Steel Screws

Duplex Steel Screws


Duplex Fasteners, Offering Heat-resistant with Excellent Mechanical Properties.

Duplex Steel Hex Bolts Specification    

Table of Content

Supplier of DSS Hex Bolt in Mumbai, Size Ranging From M10 to M16 as Per ASME B16.5 Standards

DSS Hex Bolts Specifications
sizes

Duplex Bolts Sizes

  • M3- M56

Length

Duplex Fasteners Length

  • 1/16 inch to 4 inch
 
Manufacturing Method

Duplex Stainless Bolts Manufacturing Method

  • Cold Forged
  • Hot Forged
  • CNC machined
Packaging

Duplex Stainless Steel U Bolts Packaging

  • Wooden Cases
  • Carton Box
  • Wooden Pallet
 
Surface Finish

DSS Heavy Hex Bolt Surface Finish

  • DACROMET/li>
  • HDG
  • Zinc Flake
  • Zinc Plated
  • Electric Galvanized
Coating

Duplex SS Bolt Coating

  • PTFE Coated
  • Xylon Coated
  • Phosphate Coated
  • Hot Dipped Galvanizing
  • Zinc Coated
  • Cadmium Coated
 
Features

Duplex SS washers Features

  • Verstality
  • High Tensile Strength
  • Nickel Based Alloy
  • Corrosion Resistant
Marking

DSS Shoulder Bolt Marking

  • Heat Number
  • Material Grade
  • Manufacturer’s Name or Logo
  • Nominal Size
 
Class

Duplex Steel Bolt Threaded Class

  • 6G
  • Class 3A
  • 5 HF
  • 5 CSF
  • 2G
Cutting Methods

Duplex Steel Nuts Cutting Methods

  • Threaded Rod Cutter
  • Angle Grinder
  • Hacksaw

 
Application

DSS Bolt Nuts Application

  • Chemical Industry
  • Energy Industry
  • Power Plant Industry
  • Pharmaceuticals Industry
Delivered Areas

Duplex Stainless Steel Screw Delivered Areas

  • Korean
  • Dubai, Oman
  • Lebanon, Turkey
  • American
 
Bolt End

DSS Dowel Pin End

  • Chamfer
  • Sheared
  • Flat
  • Rounded or Saw cut
Thread Types

Duplex SS Fasteners Thread Types

  • BSF, METRIC
  • UNC, BSW
  • UNF
 
Certification

Duplex J-Bolts Certification

  • Third Party Inspection Report
  • MTC EN 10204 3.1B/ 3.1 / 3.2
  • Raw Materials Certificate
  • DFARS compliant
  • Fumigation Certificates
Inspection Methods

Duplex Stainless Steel Coupling Nut Testing Methods

  • Charpy V-notch test
  • Impact testing
  • Hardness test
  • Microstructure Analysis
  • Tensile test
   
Most Common Types of Duplex Fasteners
Duplex Steel Hex Bolts

Duplex Steel Hex Bolts

Duplex Steel Nut

Duplex Steel Nut

DSS Heavy Hex Nuts

DSS Heavy Hex Nuts

DSS Dowel Pin

DSS Dowel Pin

Duplex Steel Screw

Duplex Steel Screw

Duplex Stainless Steel U Bolts

Duplex Stainless Steel U Bolts

Duplex J-Bolts

Duplex J-Bolts

Duplex Steel Hexagonal Bolt

Duplex Steel Hexagonal Bolt

Duplex Stainless Steel Coupling Nut

Duplex Stainless Steel Coupling Nut

Duplex Stainless Steel Flange Bolts

Duplex Stainless Steel Flange Bolts

Duplex Keps-K Lock Nuts

Duplex Keps-K Lock Nuts

Duplex Hex Head Bolt

Duplex Hex Head Bolt

Exporter of Duplex Stainless Steel Fasteners With Fine and Metric Coarse Threads 

duplex stainless steel fasteners threads types   
Duplex Stainless Bolt Torque Chart
Threads (in.) OD (in.) Torque (Lubricated, ft-lb) Torque (Dry, ft-lb)
24 11 14.7
24 19.9 26.6
20 48.5 64.7
13 1/2 43 57.4
24 31.5 42
20 1/4 4.8 6.5
18 5/16 10 13.2
16 7/16 28.2 37.6
16 3/8 17.7 23.5
11 5/8 85.7 114.2
18 69.2 92.3
18 97 129.3
12 9/16 62.1 82.7
6 1-1/2 639 1484
10 3/4 152 203
28 5.5 7.4
7 1-1/4 639 853
8 1 368 490
14 270 361
16 170 226
9 7/8 245 326
14 412 549
12 1252 1669
12 708 944
Duplex Washers & DSS Bolt Nuts Used in Automotive Industry, Aerospace with Various Dimensions
Duplex Washers & DSS Bolt Nuts Used in Following industries   
Duplex Steel Hexagonal Bolts Dimensions
Duplex Steel Hexagonal Bolts Dimensions    
D1D1 E K S
M3 6.01 2 5.5
M4 7.66 2.8 7
M5 8.79 3.5 8
M6 11.05 4 10
M8 14.38 5.3 13
M10 18.9 6.4 17
M12 21.1 7.5 19
M14 24.49 8.8 22
M16 26.75 10 24
M18 30.14 11.5 27
M20 33.53 12.5 30
M22 35.72 14 32
M24 39.98 15 36
M27 45.2 17 41
M30 50.85 18.7 46
M33 55.37 21 50
M36 60.79 22.5 55
M42 71.3 26 65
M48 82.6 30 75
DSS Bolt Sizes Chart
Size OD – Head – Flats – Corners –
– D (min) D (max) H (min) H (max) F (min) F (max) C (min) C (max)
M100 99.13 90 60.10 63.9 140 145 159.60 167.43
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
M90 89.13 90 54.26 57.74 125.50 130 143.07 150.11
M80 79.26 80 48.42 51.58 111 115 126.54 132.72
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
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
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
M14 13.73 14 8.51 9.09 20.67 22 23.35 24.25
M20 19.67 20 12.12 12.88 29.16 30 32.95 34.64
M16 15.73 16 9.68 10.32 23.67 24 26.75 27.71
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
Duplex Nut Size Chart
Size (mm) OD (mm) Height (mm)
Nylock Nut Jam Nut
20 30 20 10
14 22 14 7
12 19 12 6
18 27 18.5 9
16 24 16 8
10 17 10 5
6 10 6 3.2
5 8 5 2.7
8 13 8 4
7 11 – 3.5
2.5 5 – 1.6
4 7 5 2.2
3 5.5 4 1.8
2 4 – 1.2
Weight Chart Of Duplex Heavy Hex Bolt
Size 3/8″ 5 4 12 10 8 5/16″ 1/4″ 6 3 2
3″ 91.3 8.6 6.50 25.6 21.2 15.0 61.5 36.4 9.8 4.70 3.40
2″ 67.6 6.0 4.50 18.3 15.0 10.6 44.8 26.2 6.8 3.30 2.40
1-3/4″ 61.7 5.3 4 16.5 13.5 9.4 40.7 23.7 6.1 2.90 2.10
1-1/2″ 55.8 4.7 3.50 14.7 11.9 8.3 36.5 21.2 5.3 2.50 1.80
2-3/4″ 85.3 7.9 6 23.8 19.7 13.9 57.3 33.9 9.1 4.30 3.10
2-1/2″ 79.5 7.3 5.50 22.0 18.1 12.9 53.2 31.3 8.3 3.90 2.80
2-1/4″ 73.5 6.7 5 20.1 16.6 11.8 19.0 28.8 7.6 3.60 2.60
1-1/4″ 49.8 4.1 3 12.8 10.4 7.3 32.3 18.7 4.6 2.20 1.60
1-1/8″ 47.0 3.8 2.80 11.9 9.6 6.7 30.2 17.4 4.3 2 1.50
5/8 35.1 2.3 1.80 8.3 6.6 4.5 21.9 12.4 2.8 1.30 1
9/16 33.6 2.2 1.70 7.8 6.2 4.2 20.9 11.7 2.6 1.20 0.90
1″ 44.0 3.4 2.50 11.0 8.9 6.2 28.8 16.1 3.9 1.90 1.40
7/8 41.0 3.0 2.30 10.1 8.1 5.6 26.1 14.9 3.5 1.70 1.30
3/4 38.0 2.6 2.10 9.2 7.3 5.0 24.0 13.6 3.2 1.50 1.10
1/2 32.2 2.0 1.60 7.4 5.8 3.9 19.8 11.1 2.4 1.10 0.80
5/16 – 1.5 1.20 6.1 4.6 3.1 16.7 9.1 1.9 0.90 0.60
7/16 30.7 1.9 1.50 6.9 5.4 3.6 18.8 10.4 2.2 1 0.80
3/8 29.2 1.7 1.30 6.5 5.0 3.4 17.7 9.8 2.1 0.90 0.70
1/4 – 1.4 1 5.6 4.3 2.8 – 8.5 1.7 0.80 0.60
3/16 – 1.2 0.90 – 3.9 2.5 – – 1.5 0.70 0.50
1/8 – 1.1 0.70 – – – – – 1.4 0.55 0.40
DIN 2.4819 Studs Equivalent Material
STANDARD UNS WERKSTOFF NR.
STANDARD North America Russia
Duplex 2205 S31803 / S32205 1.4462
Duplex Steel Washers Hardness Chart
Duplex Washers Type SIZE STANDARD HARDNESS
Flat Section Spring Washer 3mm to 39mm DIN 127 B HV (430 to 530)
Square Section Spring Washer 3mm to 39mm DIN 7980 HV (430 to 530)
Hardened Washer 12mm to 30mm IS 2016 HV (300 to 370)
Hardened Steel Washer 12mm to 56mm ASTM F436M Rockwell 26 to 45 (HDG)
Rockwell 38 to 45 (Coated)
Duplex Hex Head Bolt & DSS Heavy Hex Bolts Manufacturing by Cold & Hot Forged, CNC machined Methods, Check Chemical Composition.
Manufacturing Process of Duplex Hex Head Bolt   
Duplex Steel Hexagonal Bolt Mechanical Properties
Grades Density (lb/in 3) Density (g/cm 3) Melting Point (°F) Melting Point (°C)
S31803 / S32205 0.285 7.805 2588 – 2669 1420 – 1465
S32750 / S32760 0.281 7.8 2460 1350
Duplex Steel nut Bolts Physical Properties
Property Density
(lbm/in3)		 Heat
Capacity
(BTU/lbm•°F)		 Electrical
Resistivity
(mW•in)		 Thermal
Conductivity
(BTU/hr•ft•°F)		 Electrical
Resistivity
(in x 10-6)
at 68°F 0.278 0.112 27.6 8.7 33.5
at 212°F 0.119 26.1 9.2 35.4
at 392°F 0.127 25.4 9.8 37.4
at 572°F 0.134 24.9 10.4 39.4
Chemical Composition of ASTM F468 Alloy C276 Hex Nut
Grade C P S Mn Si Cr N Mo Ni Fe
S32205 0.030 max 0.030 max 0.020 max 2.00 max 1.00 max 21.0 – 23.0 0.8 – 0.20 2.50 – 3.50 4.50 – 6.50 63.54 min
S32760 0.05 max 0.030 max 0.010 max 1.00 max 1.00 max 24.00 – 26.00 0.20 – 0.30 3.00 – 4.00 6.00 – 8.00 57.61 min
S32750 0.030 max 0.035 max 0.020 max 1.20 max 0.80 max 24.00 – 26.00 0.24 – 0.32 3.00 – 5.00 6.00 – 8.00 58.095 min
S31803 0.030 max 0.030 max 0.020 max 2.00 max 1.00 max 22.0 – 23.0 0.14 – 0.20 3.0 – 3.5 4.50 – 6.50 63.72 min
Most Important Advantages Before Buying Duplex Bolts and Nuts From Hilton Steel.
5 Most Important Advantages Before Buying Duplex Bolts and Nuts From Hilton Steel.   
Difference Between Stainless Steel and Duplex Stainless Steel Fasteners
Difference Between Stainless Steel and Duplex Stainless Steel Fasteners   
Stainless Steel
  • Has a single-phase microstructure
  • Lower strength and toughness Than Stainless Steel
Duplex Stainless Steel
  • Has two-phase microstructure
  • Higher strength and toughness
What is the Temperature Range For Duplex Fasteners?
Temperatures Range  -50°C to 300°C
British Standard For Duplex Nuts
BS Standard Types
BS 1083 Duplex Hexagon Nuts
BS 3692 Duplex Heavy Hex Bolt
BS 4190 DSS Hex Nuts
BS 916 Duplex Steel Hex Lock Nuts
BS 450 DSS Machine Nuts
BS 325 Duplex Screw
Chemical Compatibility of Duplex Screws
Chemical Chemical Compatibility of Corrosion Resistance
Nitric Acid Good
Phosphoric Acid Moderate
Sour Gas Moderate
Salt Spray Excellent
Acetic Acid Good
Sulfuric Acid Moderate
Humidity Excellent
Available Grades of Duplex Stainless Steel
Grade Description
2205

Mostly used in oil and gas, marine, and chemical industries.
2507

Ideal for harsh environments like seawater and chemical processing.
Delivery Timetable of Duplex Fasteners
Country Name Delivery Time
Saudi Arabia 7 days
UAE/ Dubai 5 days
South Africa 25-30 days
Singapore 8 days
Jordan 21 days
Thailand 7 days

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