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Duplex Steel UNS S31803 Nuts Supplier

Duplex Steel S31803 Nuts are a type of fastener made from a duplex stainless steel alloy called S31803. Duplex stainless steel is a two-phase material that contains both austenitic (chromium-nickel) and ferritic (chromium-molybdenum) phases. These nuts are highly corrosion-resistant, especially in harsh environments like marine and chemical processing applications. ASTM A479 S31803 Duplex Steel Nuts also exhibit high strength and toughness, making them suitable for high-stress applications such as structural and mechanical assemblies.

Duplex Steel S31803 Nuts come in various sizes and thread configurations to suit different applications. They can be used with bolts, screws, and other fasteners to fasten components together securely. Due to their unique features, Duplex Steel S31803 Nuts are a popular choice for fastening applications. 1.4462 Nuts are made from a duplex stainless steel alloy that combines the properties of both austenitic and ferritic stainless steels, resulting in a highly resistant material to corrosion, fatigue, and stress cracking.

One of the most significant features of ASME SA479 S31803 Duplex Steel Nuts is their exceptional corrosion resistance. They can withstand harsh environments like seawater, chemicals, and acidic solutions without rusting or deteriorating. They also resist pitting and crevice corrosion, making them ideal for corrosive applications. At Neelkamal Alloys LLP, we offer a variety of high-quality Duplex Stainless Steel Products, including Duplex Steel Screws, Super Duplex Steel 2507 Nuts and more.

 DSS S31803 Nuts offer high strength and toughness, making them suitable for high-stress applications. They have a high yield strength and can withstand heavy loads and vibrations without deforming or breaking. They can be easily welded without needing preheating, and they retain their mechanical properties after welding. This makes them an ideal choice for applications where welding is required.

S31803 Duplex Steel Nuts offer several benefits compared to other fastener materials. One significant advantage is their exceptional corrosion resistance, making them ideal for harsh and corrosive environments. This property ensures the longevity and reliability of fastened assemblies, reducing maintenance and replacement costs. We offer a wide range of products, including Stainless Steel 321 Nuts, Monel K500 Fasteners, & many more.

Another benefit of DSS 1.4462 Nuts is their high strength and toughness. They can withstand heavy loads and high-stress environments without breaking or deforming, ensuring the safety and stability of fastener assemblies. This property also makes them suitable for critical applications where failure is not an option. UNS S31803 DSS Nuts also have excellent weldability, which makes them easy to install and repair. Welding does not affect their mechanical properties, ensuring the reliability and strength of the fastener assemblies.

Specification For DSS UNS S31803 Nuts

Specification ASTM A479, A182 / ASME SA479, SA182
Size Cold Forming process: M2-M24 Hot Forging process: M24-M100, 1-1/2” Dia, up to 1100mm lg CNC Machining for M100 / 4” Dia, up to 1500mm lg Manufacturing M2, M3, M3.5, M4, M5, M6, M8, M10, M12, M14, M16, M18, M20, M22, M24, M27, M30, M33, M36, M42, M45, M48 to M160 and Custom Metric Stainless Steel Hex Nuts
Nuts Size Metric Dia: M10 – M110 / Length: 12 – 1200MM
Nuts Size Inch Dia: 1/2″ – 4.0″ / Length: 1/2″ – 52″
Length 3 to 200 mm
Standard ISO, IS, ANSI, ASME, UNI, ASTM, DIN, JIS, IS, GB, BS, CSN, EU, IFI, PN, and all International Standards
DIN Standard DIN 934, DIN 982, DIN 985, DIN 936, DIN 929, DIN 1587, DIN 439, DIN 315
Threads METRIC, BSW, UNC, UNF, BSF or as required
Nuts Forming Hot Forged Nuts & Cold Forged Nuts
UTS – Unified Thread Standard UNC, UNF, NPT, UNS, UNEF, NPTF
ASME Standard ASME B18.2.2 / ASME B18.16.6 /ASME B18.16.4 / ASME B18.2.2
Stainless Steel 304 Nuts

Equivalent Grades Of Duplex Steel UNS S31803 Nuts

STANDARD UNS WERKSTOFF NR.
ASTM A479/ A182 S31803 1.4462

ASTM A479 UNS S31803 DSS Nuts Chemical Composition

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

UNS S31803 DSS Nuts Mechanical Properties

Grade Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
S31803 7.8 g/cm3 1350 °C (2460 °F) Psi – 116000 , MPa – 800 Psi – 80000 , MPa – 550 15 %

Size Chart of Duplex Stainless Steel UNS S31803 Duplex Steel Nuts

Nut Size (mm)
Diameter* (mm)
Height (mm)
Hex Nut
Jam Nut
Nylock Nut
2mm
4
1.6
1.2
2.5mm
5
2
1.6
3mm
5.5
2.4
1.8
4
4mm
7
3.2
2.2
5
5mm
8
4
2.7
5
6mm
10
5
3.2
6
7mm
11
5.5
3.5
8mm
13
6.5
4
8
10mm
17
8
5
10
12mm
19
10
6
12
14mm
22
11
7
14
16mm
24
13
8
16
18mm
27
15
9
18.5
20mm
30
16
10
20
* This is the diameter across the flats. It is also the size of wrench to use.

Dimensions of DSS UNS S31803 Heavy Hex Nuts

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 UNS S31803 Hex Nuts Dimension

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
7/16
.438
.428
.505
.488
7/32
.226
.212
5/16
.3125
1/2
.500
.489
.577
.557
17/64
.273
.258
3/8
.3750
9/16
.562
.551
.650
.628
21/64
.337
.479
7/16
.4375
11/16
.688
.675
.794
.768
3/8
.385
.365
1/2
.5000
3/4
.750
.736
.866
.840
7/16
.448
.427
9/16
.5625
7/8
.875
.861
1.010
.982
31/64
.496
.473
5/8
.6250
15/16
.938
.922
1.083
1.051
35/64
.559
.535
3/4
.7500
1-1/8
1.125
1.088
1.299
1.240
41/64
.665
.617
7/8
.8750
1-5/16
1.312
1.269
1.516
1.447
3/4
.776
.724
1
1.0000
1-1/2
1.500
1.450
1.732
1.653
55/64
.887
.831
1-1/8
1.1250
1-11/16
1.688
1.631
1.949
1.859
31/32
.999
.939
1-3/8
1.3750
2-1/16
2.062
1.994
2.382
2.273
1-11/64
1.206
1.138
1-1/2
1.500
2-1/4
2.250
2.175
2.598
2.480
1-9/32
1.ASTM A194 GR. 8
1.245
1-5/8
1.6250
2-7/16
2.438
2.356
2.815
2.686
1-25/64
1.429
1.353
1-3/4
1.7500
2-5/8
2.625
2.538
3.031
2.893
1-1/2
1.540
1.460
2
2.0000
3
3.000
2.900
3.464
3.306
1-23/32
1.763
1.675
2-1/4
2.2500
3-3/8
3.375
3.263
3.897
3.719
1-15/16
1.986
1.890
2-1/2
2.5000
3-3/4
3.750
3.625
4.330
4.133
2-5/32
2.209
2.105
2-3/4
2.7500
4-1/8
4.125
3.988
4.763
4.546
2-3/8
2.431
2.319

Various Types of Duplex Steel UNS S31803 Nuts

Hex Nuts

Duplex Steel S31803 Hex Nuts

  • DSS UNS S31803 Hex Nuts 
  • Duplex Steel UNS S31803 Heavy Hex Nuts 
  • 1.4462 Heavy Hex Nuts
  • UNS S31803 Duplex Steel Hex Nuts
  • UNS S31803 Hex Nuts
  • DSS S31803 Heavy Hex Nuts
  • DSS S31803 Hex Nut 
  • Duplex Stainless Steel S31803 Hex Nuts 
  • Duplex Stainless Steel S31803 Heavy Hex Nuts
  • Duplex UNS S31803 Hex Nuts
  • ASTM A479 UNS S31803 Duplex Steel Hex Nuts
  • Duplex Steel 1.4462 Hex Nuts
  • Duplex Steel S31803 Heavy Hex Nuts 
  • DSS S31803 Hex Nuts
  • Duplex Steel UNS S31803 Hex Nut
  • UNS S31803 DSS Heavy Hex Nuts
  • DSS UNS S31803 Hex Nuts 
  • DSS 1.4462 Hex Nuts 
  • S31803 Duplex Steel Hex Nuts 
  • UNS S31803 Duplex Steel Hex Nuts 
  • Duplex Steel UNS S31803 Heavy Hex Nuts
  • ASME SA479 S31803 Duplex Steel Heavy Hex Nuts
  • UNS S31803 Duplex Steel Hex Nuts 
  • DSS S31803 Heavy Hex Nuts
  • Duplex Steel S31803 Hex Nuts 
Square Nuts

Duplex Steel S31803 Square Nuts

  • Duplex UNS S31803 Square Nuts
  • DSS S31803 Square Nut 
  • Duplex Steel 1.4462 Square Nuts
  • S31803 DSS Square Nuts
  • DSS S31803 Square Nut
  • Duplex Stainless Steel S31803 Square Nuts 
  • 1.4462 Square Nuts
  • DSS UNS S31803 Square Nuts
  • S31803 Duplex Steel Square Nuts
  • UNS S31803 DSS Square Nuts
  • S31803 Duplex Steel Square Nuts 
  • ASTM A182 S31803 Duplex Steel Square Nuts
  • DSS S31803 Square Nuts
  • Duplex Steel S31803 Square Nuts 
  • DSS UNS S31803 Square Nuts 
  • Duplex Steel UNS S31803 Square Nuts 
  • Duplex Steel S31803 Square Nut
  • DSS UNS S31803 Square Nuts 
  • Duplex Steel S31803 Square Nuts 
  • Duplex UNS S31803 Square Nuts
  • DSS 1.4462 Square Nuts 
  • ASME SA182 Duplex S31803 Square Nuts 
  • UNS S31803 Duplex Steel Square Nuts
  • UNS S31803 Duplex Steel Square Nuts 
Wing Nuts

Duplex Steel S31803 Wing Nuts

  • Duplex Steel S31803 Wing Nuts 
  • DSS S31803 Wing Nut 
  • DSS S31803 Wing Nuts
  • Duplex Steel S31803 Wing Nut
  • UNS S31803 Wing Nuts
  • S31803 DSS Wing Nuts
  • UNS S31803 Duplex Steel Wing Nuts
  • Duplex Steel S31803 Wing Nuts 
  • DSS S31803 Wing Nut
  • DSS 1.4462 Wing Nuts 
  • 1.4462 Wing Nuts
  • S31803 Duplex Stainless Steel Wing Nuts
  • S31803 Duplex Steel Wing Nuts 
  • DSS UNS S31803 Wing Nuts 
  • S31803 Duplex Steel Wing Nuts 
  • Duplex Steel S31803 Wing Nuts 
  • Duplex Stainless Steel S31803 Wing Nuts 
  • Duplex Steel UNS S31803 Wing Nuts
  • UNS S31803 Duplex Steel Wing Nuts 
  • DSS UNS S31803 Wing Nuts 
  • Duplex Steel 1.4462 Wing Nuts
  • DSS S31803 Wing Nuts
  • UNS S31803DSS Wing Nuts
  • S31803 UNS Duplex Wing Nuts
Coupling Nuts

Duplex Steel S31803 Coupling Nuts

  • DSS S31803 Coupling Nuts
  • S31803 DSS Coupling Nuts
  • Duplex Stainless Steel S31803 Coupling Nuts 
  • Duplex Steel S31803 Coupling Nuts 
  • UNS S31803 Duplex Steel Coupling Nuts 
  • S31803 Duplex Stainless Steel Coupling Nuts
  • DSS S31803 Coupling Nuts
  • Duplex Steel S31803 Coupling Nuts 
  • DSS S31803 Coupling Nut
  • UNS S31803 DSS Coupling Nuts
  • 1.4462 Coupling Nuts
  • UNS S31803 Duplex Steel Coupling Nuts
  • DSS S31803 Coupling Nut 
  • Duplex Steel S31803 Coupling Nuts 
  • UNS S31803 Coupling Nuts
  • Duplex Steel S31803 Coupling Nut
  • DSS UNS S31803 Coupling Nuts 
  • Duplex Steel 1.4462 Coupling Nuts
  • UNS S31803 Duplex Steel Coupling Nuts 
  • S31803 Duplex Steel Coupling Nuts 
  • DSS 1.4462 Coupling Nuts 
  • Duplex Steel UNS S31803 Coupling Nuts
  • UNS S31803 Duplex Coupling Nuts
  • DSS UNS S31803 Coupling Nuts 
Acorn Nuts

Duplex Steel S31803 Acorn Nuts

  • DSS S31803 Acorn Nut
  • Duplex Steel S31803 Acorn Nut
  • UNS S31803 Acorn Nuts
  • UNS S31803 Duplex Steel Acorn Nuts
  • Duplex Steel UNS S31803 Acorn Nuts
  • S31803 DSS Acorn Nuts
  • Duplex Stainless Steel S31803 Acorn Nuts 
  • DSS S31803 Acorn Nut 
  • DSS UNS S31803 Acorn Nuts 
  • S31803 Duplex Steel Acorn Nuts 
  • Duplex Steel S31803 Acorn Nuts 
  • S31803 Duplex Stainless Steel Acorn Nuts
  • DSS UNS S31803 Acorn Nuts 
  • UNS S31803 Duplex Acorn Nuts 
  • Duplex Steel UNS S31803 Acorn Nuts 
  • Duplex Steel 1.4462 Acorn Nuts
  • DSS UNS S31803 Acorn Nuts
  • Duplex Steel S31803 Acorn Nuts 
  • DSS 1.4462 Acorn Nuts 
  • S31803 Duplex Acorn Nuts
  • DSS S31803 Acorn Nuts
  • 1.4462 Acorn Nuts
  • UNS S31803 DSS Acorn Nuts
  • Duplex Steel S31803 Acorn Nuts 
Flange Nuts

Duplex Steel S31803 Flange Nuts

  • DSS UNS S31803 Flange Nuts
  • DSS S31803 Flange Nuts
  • UNS S31803 DSS Flange Nuts
  • Duplex Steel S31803 Flange Nut
  • ASME SA182 S31803 Duplex Flange Nuts
  • Duplex Steel S31803 Flange Nuts 
  • UNS S31803 Flange Nuts
  • Duplex Steel UNS S31803 Flange Nuts 
  • S31803 Duplex Steel Flange Nuts  
  • S31803 DSS Flange Nuts
  • Duplex Stainless Steel S31803 Flange Nuts 
  • UNS S31803 Duplex Steel Flange Nuts  
  • DSS UNS S31803 Flange Nuts 
  • UNS S31803 Duplex Flange Nuts
  • Duplex 1.4462 Flange Nuts
  • DSS S31803 Flange 
  • Duplex Steel S31803 Flange Nuts 
  • DSS UNS S31803 Flange Nuts 
  • Duplex Steel UNS S31803 Flange Nuts
  • DSS 1.4462 Flange Nuts 
  • DSS S31803 Flange Nut
  • Duplex Steel 1.4462 Flange Nuts
  • S31803 Duplex Steel Flange Nuts
  • ASTM A182 Duplex Steel S31803 Flange Nuts 

CONTACT US TO GET A QUICK QUOTE

If you require any further information, Please do not hesitate to contact us.

Ready Stock Of Duplex Steel UNS S31803 Nuts

  • DSS S31803 Nuts 
  • Duplex Steel UNS S31803 Nuts 
  • DSS S31803 Nuts 
  • S31803 Duplex Steel Nuts 
  • UNS S31803 DSS Self Clinch Nut
  • S31803 Duplex Steel Tee Nuts
  • Duplex Steel S31803 Square Weld Nut
  • Duplex Stainless Steel S31803 Nuts 
  • Duplex Steel S31803 Nuts 
  • S31803 Duplex Steel Hex Nuts 
  • Duplex Steel 1.4462 Nuts 
  • S31803 DSS Nuts
  • 1.4462 Coupling Nuts
  • DSS 1.4462 Acorn Nuts 
  • UNS S31803 Insert Nuts
  • Duplex Steel S31803 Nuts
  • DSS S31803 Nuts 
  • Type of Duplex Steel S31803 Nuts 
  • Duplex Steel UNS S31803 Nyloc Nuts 
  • Duplex Stainless Steel S31803 Panel Nuts 
  • DSS S31803 Nuts 
  • S31803 Duplex Steel Nuts 
  • Duplex Steel S31803 Pin-Lock nuts
  • S31803 Duplex Steel Slotted Nuts
  • DSS UNS S31803 Extra Tall Cap Nuts
  • S31803 Duplex Steel Shear Nuts
  • Duplex Steel S31803 K-Lock nuts 
  • Duplex Steel S31803 Serrated Flange Nuts
  • Duplex Steel S31803 Nuts 
  • Duplex Steel UNS S31803 Nylon Insert Nuts Standard
  • Duplex Steel UNS S31803 Machine Screw Nuts Weight Chart
  • S31803 Duplex Steel Nylock Nuts 
  • Duplex Steel S31803 Nuts 
  • UNS S31803 Duplex Steel Reducing Coupling Nut
  • S31803 Duplex Steel Metric Hex Nuts 
  • Duplex S31803 Hex Lock Nuts 
  • S31803 Duplex Steel Dome Nuts Grades Chart Pdf
  • Duplex UNS S31803 Jam Nuts 
  • Check S31803 Duplex Steel Nuts Sizes
  • Duplex Stainless Steel 1.4462 Panel Nuts
  • DSS S31803 Castle Nuts 
  • DSS S31803 Half Hex Insert Nuts
  • Duplex Steel UNS S31803 Closed End Rivet Nuts
  • DSS UNS S31803 Nuts 
  • DSS 1.4462 Eye Nuts 
  • UNS S31803 Duplex Steel 
  • Large Range of Duplex Steel Nuts Grade UNS S31803
  • S31803 DSS Nuts 
  • S31803 Duplex Steel Nuts 
  • Grade S31803 Metric Duplex Steel Nuts 
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