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Duplex Steel S31803/S32205 Fasteners

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Duplex Steel S31803/S32205 Fasteners

Duplex Steel UNS S31803 Fasteners, ASTM A479 Duplex Steel S32205 Fasteners, Duplex 2205 Bolts, Duplex Steel S32205 Stud Bolts, UNS S31803 Nuts, ASME SA479 Duplex Steel 2205 Bolts Exporter, DIN 1.4462 Screws, UNS S32205 Stud Bolt, Duplex Steel Washers, 2205 Duplex Steel Anchor Bolts, UNS S32205 Spring Washers, Duplex Steel Fasteners Manufacturer in India.

Honesty Steel & Alloys Ltd. is a trusted manufacturer, exporter and supplier of Duplex Steel S31803/S32205 Fasteners, serving industrial, engineering, construction, marine, oil & gas, petrochemical, chemical processing and power-generation applications. Our Duplex Stainless Steel Fasteners are manufactured using high-quality duplex stainless steel that combines excellent strength with superior resistance to corrosion, chloride environments and stress corrosion cracking.

Duplex Steel S31803/S32205 Hex Bolts are precision-manufactured fastening components used for joining two or more components through threaded connections. Their six-sided head allows easy installation using standard tools. Duplex stainless steel provides substantially higher strength than many conventional austenitic stainless steels while maintaining excellent corrosion resistance.

Duplex Steel S31803/S32205 Nuts are manufactured to provide a compatible threaded connection with Duplex Steel bolts, studs and threaded rods. Hex nuts, heavy hex nuts, lock nuts, flange nuts and other configurations can be supplied.

Duplex Steel S31803/S32205 Stud Bolts are particularly common in flanged piping systems, valves, pumps, pressure vessels and process equipment. They can be supplied with fully threaded or partially threaded configurations and with different end profiles. Duplex S32205 stud bolts are particularly suitable for applications exposed to chlorides and aggressive process environments.

Duplex Steel S31803/S32205 Washers are installed beneath bolt heads or nuts to distribute the applied load and protect the mating surface. Duplex Steel Washers are useful in corrosive environments where maintaining compatibility between the fastener and surrounding components is important.

Duplex Steel S31803/S32205 Screws are available in several head and drive configurations, including socket head, machine screws and other application-specific designs. They are suitable for applications requiring corrosion-resistant threaded connections.

Duplex Steel S31803 Hex Nuts Stockist, Duplex Steel S32205 Hex Head Bolt, ASTM A479 Duplex Steel Flat Washer, Duplex Steel UNS S31803 Machine Screw, Duplex Stainless Steel S32205 Coupling Nut, DIN 1.4462 Socket Head Cap Screws Trader, 2205 Duplex Steel Threaded Stud Bolts Dealer, Duplex Steel 2205 Lock Washer, Duplex Steel Heavy Hex Nuts Supplier in India.

Duplex Steel S31803/S32205 Fasteners Specifications

Product Duplex Steel S31803/S32205 Fasteners
Alloy Material Austenitic-Ferritic
Grade Duplex Steel S31803/S32205
Standards ASTM / ASME, ISO, DIN, BS, EN
Bolt Standards ASME B18.2.1, DIN, ISO, BS
Nut Standards ASME B18.2.2, DIN, ISO, BS
Screw Standards ASME / ISO / DIN / BS
Thread Metric / UNC / UNF / BSW / BSF
Thread Type Coarse / Fine
Surface Plain / Passivated / Polished
Finish Natural / Bright / Customized
Types Nuts, Bolts, Screws, Socket Screw, Sockets, Studs, Screw, Nut, Spring Washers, Hex Set Screw, Socket Hexagon Head Screw, Cap Screw, Wing Screw, Pan Head Screw, Machine Screw, Socket Head Cap Screw, Allen Cap screw, Wing Screw, Washers, Studs, Anchors, Hex Nut,Marine Anchors, Hexagon Nut, Hex Coupling Nut, Hex Domed Cap Nuts, Square Nut, Stud Bolts, Hex Head Bolts, Anchor Bolt, U- Bolts, J Bolts, T-Head Bolts, Mushroom Head Square Neck Bolts, Eye Bolt, Foundation Bolts, Structural Bolts
Manufacturing Cold Forged / Hot Forged / Machined
Size Metric & Imperial
Supply Condition Annealed / Cold Worked / As Specified
Application Industrial, Construction, Engineering, Fabrication

Equivalent Chart of Duplex Steel S31803/S32205 Fasteners

STANDARD WERKSTOFF NR. UNS
Duplex 2205 1.4462 S31803/S32205

Chemical Composition of Duplex Steel S31803/S32205 Fasteners

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

Mechanical Properties of Duplex Steel S31803/S32205 Fasteners

Grades Density (g/cm 3) Density (lb/in 3) Melting Point (°C) Melting Point (°F)
S31803/S32205 7.805 0.285 1420 – 1465 2588 – 2669

Types of Duplex Steel S31803/S32205 Fasteners

Duplex Steel S31803/S32205 Carriage Bolts

Duplex Steel S31803/S32205 Eye Bolts

Duplex Steel S31803/S32205 Self Tapping Screws

Nickel Nickel Alloy Anchor Bolt

Duplex Steel S31803/S32205 U Bolts

High Nickel Machine Screws

Duplex Steel S31803/S32205 Socket Screws

Duplex Steel S31803/S32205 Hex Coupling Nut

Duplex Steel S31803/S32205 Hex Nuts

Duplex Steel S31803/S32205 Lock Nuts

Nickel Alloy Wing Nuts

Duplex Steel S31803/S32205 J - Bolt

Duplex Steel S31803/S32205 Flat Washers

Duplex Steel S31803/S32205 Star Washers

Duplex Steel S31803/S32205 Stud Bolts

Duplex Steel S31803/S32205 Flanged Bolts

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Manufacturing Standards of Duplex Steel S31803/S32205 Fasteners

Types Size Range Class Standards
Hex Nut M3 to M30 A2 – 70/80, A4 – 70/80 DIN 934 / ISO 4032
Hex Head Screw (Full Thread) M3 to M30 A2 – 70/80, A4 – 70/80 DIN 933 / ISO 4017
Hex Head Bolt (Partial Thread) M4 to M30 A2 – 70/80, A4 – 70/80 DIN 931 / ISO 4014
Threaded Rod M3 to M36 A2 – 70/80, A4 – 70/80 DIN 975
Plain Washer M3 to M64 A2, A4 DIN 125 A
Flat – Section Spring Washer M3 to M36 A2, A4 DIN 127 B
Square – Section Spring Washer M3 to M36 A2, A4 DIN 7980
Socket Head Cap Screw M3 to M30 A2 – 70/80, A4 – 70/80 DIN 912 / ISO 4762

Imperial Size Range of Duplex Steel S31803/S32205 Fasteners

Product Typical Imperial Range
Bolts 1/8" to 4"
Screws 1/8" to 2"
Nuts 1/8" to 4"
Washers 1/8" to 4"
Studs 1/4" to 4"
Threaded Rods 1/4" to 4"

ANSI/ASME Standards (INCH SERIES)

ASME B18.1.1 Small Solid Rivets ASME B18.8.1 Clevis Pins and Cotter Pins
ASME B18.1.2 Large Rivets ASME B18.8.2 Taper Pins, Dowel Pins, Straight Pins, Grooved Pins and Spring Pins
ASME B18.2.1 Square and Hex Bolts and Screws ASME B18.9 Plow Bolts
ASME B18.2.2 Square and Hex Nuts ASME B18.10 Track Bolts and Nuts
ASME B18.2.6 Fasteners for use in Structural Applications ASME B18.11 Miniature Screws
ASME B18.3 Socket Cap, Shoulder and Set Screws ASME B18.13 Screws and Washer Assemblies (Sems)
ASME B18.5 Round Head Bolts ASME B18.15 Forged Eyebolts
ASME B18.6.2 Slotted Head Cap Screws, Square Head Set Screws, and Slotted Headless Set Screws ASME B18.17 Wing Nuts, Thumb Screws and Wing Screws
ASME B18.6.3 Machine Screws and Machine Screws Nuts ASME B18.21.1 Lock Washers
ASME B18.6.4 Thread Forming and Thread Cutting Tapping Screws and Metallic Drive Screws ASME B18.22.1 Plain Washers
ASME B18.7 General Purpose Semi- Tubular Rivets, Full Tubular Rivets, Split Rivets and Rivet Caps ASME B18.23.1 Beveled Washers

Duplex Steel S31803/S32205 Bolt Dimensions & Size Chart

Nominal or Basic Product Diameter E F G H J LT (Thread Length) Y
Body Diameter Width Across Flats Width Across Corners Head Height Wrenching Height For Screw Lengths For Screw Lengths Transition Thread Length
1/4 0.25 0.25 0.245 7/16 0.438 0.428 0.505 0.488 5/32 0.163 0.150 0.106 0.750 1.000 0.250
5/16 0.3125 0.3125 0.3065 1/2 0.500 0.489 0.577 0.557 13/64 0.211 0.195 0.140 0.875 1.125 0.278
3/8 0.375 0.375 0.369 9/16 0.562 0.551 0.650 0.628 15/64 0.243 0.226 0.160 1.000 1.250 0.312
7/16 0.4375 0.4375 0.4305 5/8 0.625 0.612 0.722 0.698 9/32 0.291 0.272 0.195 1.125 1.375 0.357
1/2 0.5 0.5 0.493 3/4 0.750 0.736 0.866 0.840 5/16 0.323 0.302 0.215 1.250 1.500 0.385
9/16 0.5625 0.5625 0.5545 13/16 0.812 0.798 0.938 0.910 23/64 0.371 0.348 0.250 1.375 1.625 0.417
5/8 0.625 0.625 0.617 15/16 0.938 0.922 1.083 1.051 25/64 0.403 0.378 0.269 1.500 1.750 0.455
3/4 0.75 0.75 0.741 1-1/8 1.125 1.100 1.299 1.254 15/32 0.483 0.455 0.324 1.750 2.000 0.500
7/8 0.875 0.875 0.866 1-5/16 1.312 1.285 1.516 1.465 35/64 0.563 0.531 0.378 2.000 2.250 0.556
1 1 1 0.99 1-1/2 1.500 1.469 1.732 1.675 39/64 0.627 0.591 0.416 2.250 2.500 0.625
1-1/8 1.125 1.125 1.114 1-11/16 1.688 1.631 1.949 1.859 11/16 0.718 0.658 0.461 2.500 2.750 0.714
1-1/4 1.25 1.25 1.239 1-7/8 1.875 1.812 2.165 2.066 25/32 0.813 0.749 0.530 2.750 3.000 0.714
1-1/2 1.5 1.5 1.488 2-1/4 2.250 2.175 2.598 2.480 15/16 0.974 0.902 0.640 3.250 3.500 0.833

Duplex Steel S31803/S32205 Nuts Dimension & Size Chart

Nominal Size or Basic Major Thread Diameter F G H
Width Across Flats Width Across Corners Thickness
Basic Max Min Max Min Basic Max Min
1/4 .2500 1/2 .500 .488 .577 .556 15/64 .250 .218
5/16 .3125 9/16 .562 .546 .650 .622 19/64 .314 .280
3/8 .3750 11/16 .688 .669 .794 .763 23/64 .377 .341
7/16 .4375 3/4 .750 .728 .866 .830 27/64 .441 .403
1/2 .5000 7/8 .875 .850 1.010 .969 31/64 .504 .464
9/16 .5625 15/16 .938 .909 1.083 1.037 35/64 .568 .526
5/8 .6250 1-1/16 1.062 1.031 1.227 1.175 39/64 .631 .587
3/4 .7500 1-1/4 1.250 1.212 1.443 1.382 47/64 .758 .710
7/8 .8750 1-7/16 1.438 1.394 1.660 1.589 55/64 .885 .833
1 1.0000 1-5/8 1.325 1.575 1.876 1.796 63/64 1.012 .956
1-1/8 1.1250 1-13/16 1.812 1.756 2.093 2.002 1-7/64 1.139 1.079
1-1/4 1.2500 2 2.000 1.938 2.309 2.209 1-7/32 1.251 1.187
1-3/8 1.3750 2-3/16 2.188 2.119 2.526 2.416 1-11/32 1.378 1.460
1-1/2 1.5000 2-3/8 2.375 2.300 2.742 2.622 1-15/32 1.505 1.433
1-5/8 1.6250 2-9/16 2.562 2.481 2.959 2.828 1-19/32 1.632 1.556
1-3/4 1.7500 2-3/4 2.750 2.662 3.175 3.035 1-23/32 1.759 1.679
2 2.0000 3-1/8 3.125 3.025 3.608 3.449 1-31/32 2.013 1.925
2-1/4 2.2500 3-1/2 3.500 3.388 4.041 3.862 2-13/64 2.251 2.155
2-1/2 2.5000 3-7/8 3.875 3.750 4.474 4.275 2-29/64 2.505 2.401
2-3/4 2.7500 4-1/4 4.250 4.112 4.907 4.688 2-45/64 2.759 2.647
3 3.0000 4-5/8 4.625 4.475 5.340 5.102 2-61/64 3.013 2.893
3-1/4 3.2500 5 5.000 4.838 5.774 5.515 3-3/16 3.252 3.124
3-1/2 3.5000 5-3/8 5.375 5.200 6.207 5.928 3-7/16 3.506 3.370
3-3/4 3.7500 5-3/4 5.750 5.562 6.640 6.341 3-11/16 3.670 3.616
4 4.0000 6-1/8 6.125 5.925 7.073 6.755 3-15/16 4.014 3.862

Duplex Steel S31803/S32205 Hex Bolts Dimensions & Size Chart

Nominal Size (Inch) Basic Diameter (mm) Full-Size Body Diameter (E) Width Across Flats (F) Width Across Corners (G) Head Height (H) Fillet Radius (R) Nominal Thread Length (LT)
Max Min Basic (inch) Max Min Max Min Basic (inch) Max Min Max Min 6 in. & Shorter Over 6 in.
1/4 0.25 0.26 0.237 7/16 0.438 0.425 0.505 0.484 11/64 0.188 0.15 0.03 0.01 0.75 1.0
5/16 0.3125 0.324 0.298 1/2 0.5 0.484 0.577 0.552 7/32 0.235 0.195 0.03 0.01 0.875 1.125
3/8 0.375 0.388 0.36 9/16 0.562 0.544 0.65 0.62 1/4 0.268 0.226 0.03 0.01 1.0 1.25
7/16 0.4375 0.452 0.421 5/8 0.625 0.603 0.722 0.687 19/64 0.347 0.272 0.03 0.01 1.125 1.375
1/2 0.5 0.515 0.482 3/4 0.75 0.725 0.866 0.826 11/32 0.364 0.302 0.03 0.01 1.25 1.5
5/8 0.625 0.642 0.605 15/16 0.938 0.906 1.083 1.033 27/64 0.444 0.378 0.06 0.02 1.5 1.75
3/4 0.75 0.768 0.729 1 1/8 1.125 1.088 1.299 1.24 1/2 0.524 0.455 0.06 0.02 1.75 2.0
7/8 0.875 0.895 0.852 1 5/16 1.312 1.269 1.516 1.447 37/64 0.604 0.531 0.06 0.02 2.0 2.25
1 1.0 1.022 0.976 1 1/2 1.5 1.45 1.732 1.653 43/64 0.7 0.591 0.09 0.03 2.25 2.5
1 1/8 1.125 1.149 1.098 1 11/16 1.688 1.631 1.949 1.859 3/4 0.78 0.658 0.09 0.03 2.5 2.75
1 1/4 1.25 1.277 1.223 1 7/8 1.875 1.812 2.165 2.066 27/32 0.876 0.749 0.09 0.03 2.75 3.0
1 3/8 1.375 1.404 1.345 2 1/16 2.062 1.994 2.382 2.273 29/32 0.94 0.81 0.09 0.03 3.0 3.25
1 1/2 1.5 1.531 1.47 2 1/4 2.25 2.175 2.598 2.48 1 1.036 0.902 0.09 0.03 3.25 3.5
1 5/8 1.625 1.658 1.591 2 7/16 2.438 2.356 2.815 2.616 1 3/32 1.116 0.978 0.09 0.03 3.5 3.75
1 3/4 1.75 1.785 1.716 2 5/8 2.625 2.538 3.031 2.893 1 5/32 1.196 1.054 0.12 0.04 3.75 4.0
1 7/8 1.875 1.912 1.839 2 13/16 2.812 2.719 3.248 3.099 1 1/4 1.276 1.13 0.12 0.04 4.0 4.25
2 2.0 2.039 1.964 3 3.0 2.9 3.464 3.306 1 11/32 1.388 1.175 0.12 0.04 4.25 4.5
2 1/4 2.25 2.305 2.214 3 3/8 3.375 3.262 3.897 3.719 1 1/2 1.548 1.327 0.19 0.06 4.75 5.0
2 1/2 2.5 2.559 2.461 3 3/4 3.75 3.625 4.33 4.133 1 21/32 1.708 1.479 0.19 0.06 5.25 5.5
2 3/4 2.75 2.827 2.711 4 1/8 4.125 3.988 4.763 4.546 1 13/16 1.869 1.632 0.19 0.06 5.75 6.0
3 3.0 3.081 2.961 4 1/2 4.5 4.35 5.196 4.959 2 2.06 1.815 0.19 0.06 6.25 6.5
3 1/4 3.25 3.335 3.21 4 7/8 4.875 4.712 5.629 5.372 2 3/16 2.251 1.936 0.19 0.06 6.75 7.0
3 1/2 3.5 3.589 3.461 5 1/4 5.25 5.075 6.062 5.786 2 5/16 2.38 2.057 0.19 0.06 7.25 7.5
3 3/4 3.75 3.858 3.726 5 5/8 5.625 5.437 6.495 6.198 2 1/2 2.572 2.241 0.19 0.06 7.75 8.0
4 4.0 4.111 3.975 6 6.0 5.8 6.928 6.612 2 11/16 2.764 2.424 0.19 0.06 8.25 8.5

All dimensions are per ASME B18.2.1 Hex Bolt Standards.

Duplex Steel S31803/S32205 Heavy Hex Nuts & Heavy Hex Jam Nuts Dimensions

Nominal Size (inch) Basic Major Diameter of Thread (inch) Width Across Flats (F) Width Across Corners (G) Thickness of Heavy Hex Nuts (H) Thickness of Heavy Hex Jam Nuts (H1) Max Runout (FIM)
Basic Min Max Min Max Basic Min Max Basic Min Max Up to 150k psi 150k psi & greater All grades
1/4 0.2500 1/2 0.488 0.500 0.556 0.577 15/64 0.218 0.250 11/64 0.156 0.188 0.017 0.011 0.017
5/16 0.3125 9/16 0.546 0.562 0.622 0.650 19/64 0.280 0.314 13/64 0.186 0.220 0.020 0.012 0.020
3/8 0.3750 11/16 0.669 0.688 0.763 0.794 23/64 0.341 0.377 15/64 0.216 0.252 0.021 0.014 0.021
7/16 0.4375 3/4 0.728 0.750 0.830 0.866 27/64 0.403 0.441 17/64 0.247 0.285 0.022 0.015 0.022
1/2 0.5000 7/8 0.850 0.875 0.969 1.010 31/64 0.464 0.504 19/64 0.277 0.347 0.023 0.016 0.023
9/16 0.5625 15/16 0.909 0.938 1.037 1.083 35/64 0.526 0.568 21/64 0.307 0.349 0.024 0.017 0.024
5/8 0.6250 1 1/16 1.031 1.062 1.175 1.227 39/64 0.587 0.631 23/64 0.337 0.381 0.025 0.018 0.025
3/4 0.7500 1 1/4 1.212 1.250 1.382 1.443 47/64 0.710 0.758 27/64 0.398 0.446 0.027 0.020 0.027
7/8 0.8750 1 7/16 1.394 1.438 1.589 1.660 55/64 0.833 0.885 31/64 0.458 0.510 0.029 0.022 0.029
1 1.0000 1 5/8 1.575 1.625 1.796 1.876 63/64 0.956 1.012 35/64 0.519 0.575 0.031 0.024 0.031
1 1/8 1.1250 1 13/16 1.756 1.812 2.002 2.093 1 7/64 1.079 1.139 39/64 0.579 0.639 0.033 0.027 0.033
1 1/4 1.2500 2 1.938 2.000 2.209 2.309 1 7/32 1.187 1.251 23/32 0.687 0.751 0.035 0.030 0.035
1 3/8 1.3750 2 3/16 2.119 2.188 2.416 2.526 1 11/32 1.347 1.378 25/32 0.747 0.815 0.038 0.033 0.038
1 1/2 1.5000 2 3/8 2.300 2.375 2.622 2.742 1 15/32 1.433 1.505 27/32 0.808 0.880 0.041 0.036 0.041
1 5/8 1.6250 2 9/16 2.481 2.562 2.828 2.959 1 19/32 1.556 1.632 29/32 0.868 0.944 0.044 0.038 0.044
1 3/4 1.7500 2 3/4 2.662 2.750 3.035 3.175 1 23/32 1.679 1.759 31/32 0.929 1.009 0.048 0.041 0.048
1 7/8 1.8750 2 15/16 2.844 2.938 3.242 3.392 1 27/32 1.802 1.886 1 1/32 0.989 1.073 0.051 0.044 0.051
2 2.0000 3 1/8 3.025 3.125 3.449 3.608 1 31/32 1.925 2.013 1 3/32 1.050 1.138 0.055 0.047 0.055
2 1/4 2.2500 3 1/2 3.388 3.500 3.862 4.041 2 13/64 2.155 2.251 1 13/64 1.155 1.251 0.061 0.052 0.061
2 1/2 2.5000 3 7/8 3.750 3.875 4.275 4.474 2 29/64 2.401 2.505 1 29/64 1.401 1.505 0.068 0.058 0.068
2 3/4 2.7500 4 1/4 4.112 4.250 4.688 4.907 2 45/64 2.647 2.759 1 37/64 1.522 1.634 0.074 0.064 0.074
3 3.0000 4 5/8 4.475 4.625 5.102 5.340 2 61/64 2.893 3.013 1 45/64 1.643 1.763 0.081 0.070 0.081
3 1/4 3.2500 5 4.838 5.000 5.515 5.774 3 3/16 3.124 3.252 1 13/16 1.748 1.876 0.087 0.075 0.087
3 1/2 3.5000 5 3/8 5.200 5.375 5.928 6.207 3 7/16 3.370 3.506 1 15/16 1.870 2.006 0.094 0.081 0.094
3 3/4 3.7500 5 3/4 5.562 5.750 6.341 6.640 3 11/16 3.616 3.760 2 1/16 1.990 2.134 0.100 0.087 0.100
4 4.0000 6 1/8 5.925 6.125 6.755 7.073 3 15/16 3.862 4.014 2 3/16 2.112 2.264 0.107 0.093 0.107

All dimensions are as per ASME B18.2.2 Heavy Hex Nuts and Heavy Hex Jam Nuts standards.

Duplex Steel S31803/S32205 Washers Dimensions

Bolt Size A B C Weight (lbs.) Per 100 Pieces
ID OD Thickness
1/2 9/16 13/8 0.109 4
5/8 11/16 13/4 0.134 8
3/4 13/16 2 0.148 11
7/8 15/16 21/4 0.165 15
1 11/16 21/2 0.165 19
11/8 11/4 23/4 0.165 22
11/4 13/8 3 0.165 26
13/8 11/2 31/4 0.180 33
11/2 15/8 31/2 0.180 38
15/8 13/4 33/4 0.180 43
13/4 17/8 4 0.180 50
17/8 2 41/4 0.180 57
2 21/8 41/2 0.180 63
21/4 23/8 43/4 0.220 83
21/2 25/8 5 0.238 96
23/4 27/8 51/4 0.259 110
3 31/8 51/2 0.284 130

Duplex Steel S31803/S32205 Stud Bolts Dimension & Size Chart

Class 150 Flanges ASME B16.5 (Stud bolt sizes) Length of Stud Bolts 
NPS Outside Diameter of Flange The diameter of Bolt Circle The diameter of Bolt Holes Number of Bolts Diameter of Bolts Raised Face
0.06 in		 Ring Joint
1/2 3 1/2 2 3/8 5/8 4 1/2 2 1/4 –
3/4 3 7/8 2 3/4 5/8 4 1/2 2 1/2 –
1 4 1/4 3 1/8 5/8 4 1/2 2 1/2 3
1 1/4 4 5/8 3 1/2 5/8 4 1/2 2 3/4 3 1/4
1 1/2 5 3 7/8 5/8 4 1/2 2 3/4 3 1/4
2 6 4 3/4 3/4 4 5/8 3 1/4 3 3/4
2 1/2 7 5 1/2 3/4 4 5/8 3 1/2 4
3 7 1/2 6 3/4 4 5/8 3 1/2 4
3 1/2 8 1/2 7 3/4 8 5/8 3 1/2 4
4 9 7 1/2 3/4 8 5/8 3 1/2 4
5 10 8 1/2 7/8 8 3/4 3 3/4 4 1/4
6 11 9 1/2 7/8 8 3/4 4 4 1/2
8 13 1/2 11 3/4 7/8 8 3/4 4 1/4 4 3/4
10 16 14 3/4 1 12 7/8 4 1/2 5
12 19 17 1 12 7/8 4 3/4 5 1/4
14 21 18 3/4 1 1/8 12 1 5 1/4 5 3/4
16 23 1/2 21 1/4 1 1/8 16 1 5 1/4 5 3/4
18 25 22 3/4 1 1/4 16 1 1/8 5 3/4 6 1/4
20 27 1/2 25 1 1/4 20 1 1/8 6 1/4 6 3/4
24 32 29 1/2 1 1/4 20 1 1/4 6 3/4 7 1/4
Class 300 Flanges ASME B16.5 Length of Stud Bolts 
NPS Outside Diameter of Flange The diameter of Bolt Circle The diameter of Bolt Holes Number of Bolts Diameter of Bolts Raised Face
0.06 in		 Ring Joint
1/2 3 3/4 2 5/8 5/8 4 1/2 2 1/2 3
3/4 4 5/8 3 1/4 3/4 4 5/8 3 3 1/2
1 4 7/8 3 1/2 3/4 4 5/8 3 3 1/2
1 1/4 5 1/4 3 7/8 3/4 4 5/8 3 1/4 3 3/4
1 1/2 6 1/8 4 1/2 7/8 4 3/4 3 1/2 4
2 6 1/2 5 3/4 8 5/8 3 1/2 4
2 1/2 7 1/2 5 7/8 7/8 8 3/4 4 4 1/2
3 8 1/4 6 5/8 7/8 8 3/4 4 1/4 4 3/4
3 1/2 9 7 1/4 7/8 8 3/4 4 1/4 5
4 10 7 7/8 7/8 8 3/4 4 1/2 5
5 11 9 1/4 7/8 8 3/4 4 3/4 5 1/4
6 12 1/2 10 5/8 7/8 12 3/4 4 3/4 5 1/2
8 15 13 1 12 7/8 5 1/2 6
10 17 1/2 15 1/4 1 1/8 16 1 6 1/4 6 3/4
12 20 1/2 17 3/4 1 1/4 16 1 1/8 6 3/4 7 1/4
14 23 20 1/4 1 1/4 20 1 1/8 7 7 1/2
16 25 1/2 22 1/2 1 3/8 20 1 1/4 7 1/2 8
18 28 24 3/4 1 3/8 24 1 1/4 7 3/4 8 1/4
20 30 1/2 27 1 3/8 24 1 1/4 8 8 3/4
24 36 32 1 5/8 24 1 1/2 9 10

Duplex Steel S31803/S32205 Screws Size Chart

Screw Diameter Typical Metric Sizes Available Head Styles
Small M3–M5 Pan / Flat / Button
Medium M6–M10 Hex / Socket / Pan / Flat
Large M12–M16 Socket / Hex / Customized
Heavy M18 and above Customized / Industrial

Duplex Steel S31803/S32205 Fasteners Regular Standards

Hexagon Bolt / Set Screws Stud Bolt Hexagon Nuts Socket Cap screws
DIN 931 BS4882 DIN 934 DIN 912
DIN 933 DIN 976 BS 1768 DIN 6912
BS 1768 BS 1769 DIN 7984
UNI 5731 BS 1083 ANSI B18.3
UNI 5739 BS 3692 ISO 4762
ISO 4014 ISO 4032 UNI 5931
ISO 4017 ISO 4033 BS 2470
BS 1769 ANSI B18.2.2 BS 4168
BS 3692
ANSI B18.2.1
Socket & Slotted Set Screws Socket & Slotted Countersunk Screws Studs Washers
DIN 913 DIN 963 DIN 938 DIN 125
DIN 914 DIN 7991 DIN 939 DIN 9021
DIN 915 BS 4168 DIN 2510 BS 4320
DIN 916 BS 1981 BS 4439 BS 3410
DIN 551 BS 483 BS 2693
DIN 553 BS 2470 Spring Washers
DIN 438 DIN 127
BS 4168 BS 4464
BS 1802

Duplex Steel S31803/S32205 Fasteners Inventory

  • Duplex Steel S31803 Fastener
  • DSS S31803 Hex Nuts
  • DSS S31803 Stud Distributor
  • Duplex Stainless Steel S32205 Screw
  • Duplex Steel S32205 Square Bolts
  • Duplex S32205 Dock Washer
  • DSS S32205 Fasteners Stockist
  • ASTM A479 DSS S31803 Hex Head Screw
  • ASTM A479 Duplex Steel S31803 Acorn Nuts
  • Duplex Steel S31803 U Bolt Exporter
  • Duplex S32205 Hex Cap Screw Manufacturer
  • Duplex Steel S32205 Heavy Hex Nuts
  • Duplex S31803 Structural Bolts
  • SAF 2205 Wing Nuts
  • Duplex S31803 J Bolts
  • Duplex Steel S31803 Bolts
  • ASTM A479 DSS S31803 Bolts
  • Duplex Steel S31803 Foundation Bolts
  • Duplex Steel S32205 Lag Bolts
  • Duplex Stainless Steel S32205 Elevator Bolt
  • DSS S32205 Industrial Fasteners
  • Duplex Steel S31803 Shoulder Bolt
  • ASTM A479 DSS S32205 T-Head Bolts
  • Duplex S32205 Machine Bolts
  • Duplex Steel S32205 Eye Bolt
  • Duplex S32205 Fender Washer
  • Duplex Stainless Steel S31803 Wing Nuts
  • Duplex Steel S32205 Nuts
  • SAF 2205 Tooth Lock Washer
  • DSS S31803 Double Ended Stud
  • DIN 1.4462 Screw
  • UNS S31803 Machine Bolt
  • Duplex Steel S31803 Countersunk Washer
  • ASTM A479 Duplex S32205 Hex Set Screw
  • DSS S32205 Full Threaded Bolt Stockholder
  • Duplex S32205 Split / Lock Washer
  • Duplex Steel S31803 Stud
  • Duplex Stainless S32205 Steel Machine Bolt
  • Duplex Steel S32205 Nyloc Nuts
  • S31803 Duplex Steel Hex Head Bolt
  • DSS S31803 Eye Bolt Supplier in Mumbai
  • 1.4462 Hex Washers
  • Duplex Steel S31803 Threaded Rod
  • Duplex S31803 Washer
  • Duplex Steel S32205 Self Locking Nuts
  • ASME SA479 DSS S32205 Carriage Bolt
  • Duplex S32205 Customized Washer Manufacturer
  • SAF 2205 Coupling Nut Stockist
  • DSS S31803 Carriage Bolt
  • Duplex Steel S31803 Fender Washer

We Export this Duplex Steel S31803/S32205 Fasteners to countries such as Afghanistan, Albania, Andorra, Austria, Bahrain, Bangladesh, Bhutan, Brunei, Belarus, Belgium, Bulgaria, Cambodia, China, Cyprus, Croatia, Czech Republic, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Malaysia, Maldives, Mongolia, Myanmar (Burma), Nepal, North Korea, Netherlands, Norway, Oman, Poland, Portugal, Pakistan, Palestine, Philippines, Qatar, Russia, Romania, Russia, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia, Singapore, South Korea, South Africa, Sri Lanka, Syria, Taiwan, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen

We Supply Duplex Steel S31803/S32205 Fasteners to cities including Mumbai, Delhi, Kolkata, Chennai, Bengaluru, Hyderabad, Ahmadabad, Pune, Surat, Jaipur, Kanpur, Lucknow, Nagpur, Ghaziabad, Indore, Coimbatore, Kochi, Patna, Kozhikode, Bhopal, Thrissur, Vadodara, Agra, Malappuram, Thiruvananthapuram, Kannur, Ludhiana, Nashik, Vijayawada, Madurai, Varanasi, Meerut, Faridabad, Rajkot, Jamshedpur, Srinagar, Jabalpur, Asansol, Vasai Virar City, Allahabad, Dhanbad, Aurangabad, Amritsar, Jodhpur, Ranchi, Raipur, Kollam, Gwalior, Durg-Bhilainagar, Chandigarh, Tiruchirappalli, Kota
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