Duplex 31803 Fasteners

What is Duplex 31803 Fasteners

Duplex 31803 fasteners are renowned for their impressive corrosion resistance, robust strength, and outstanding mechanical traits. This specific alloy is made from a combination of austenitic and ferritic stainless steels, providing a blend of qualities.

The outstanding corrosion resistance is a defining characteristic of Duplex 31803 fasteners. The alloy blend of duplex stainless steel gives a high level of protection against various corrosive settings, including chloride-caused stress corrosion cracking, pitting, and crevice corrosion. As a result, Duplex 31803 fasteners are apt for employment in marine, offshore, and chemical industries.

Duplex 31803 fasteners possess remarkable mechanical characteristics, especially remarkable strength. The duplex stainless steel composition provides superior tensile capabilities than regular stainless steel types, allowing the fasteners to handle intense pressure and bear heavy loads. This feature makes Duplex 31803 fasteners ideally suited for projects where strength and trustworthiness are essential.

Duplex 31803 Stud Bolt, Duplex 31803 Fasteners, Duplex 331803 Roofing Screws, Duplex 31803 Plain Washer, DIN 1.4462 Star Washer, Duplex 31803 Hex Nut, ASME SA182 Duplex 31803 Sealing Washer, Duplex 31803 Hex Bolt.

Despite their high strength, Duplex 31803 fasteners also have excellent ductility, meaning they can bend without breaking, allowing them to adjust better to shifting and vibrations without weakening their integrity. The balance of high strength and good ductility make these fasteners a great choice for applications needing to withstand dynamic forces and mechanical loads.

Duplex 31803 fasteners are well-known for their outstanding fatigue strength. They can support regular cyclic loading without failing due to fatigue, making them suitable for jobs where fatigue and cyclic loading are concerned. This quality ensures the durability and dependability of the fasteners, even under strenuous conditions.

A remarkable feature of Duplex 31803 fasteners is their superior thermal stability. They demonstrate a lower coefficient of thermal expansion, resulting in them staying in their original shape and size in a vast range of temperatures. This attribute is especially advantageous when fasteners are exposed to thermal variations or excessive temperature shifts.

Duplex 31803 fasteners are relatively simple to manufacture and use. They can be shaped, welded, and produced using regular fabrication methods, allowing for a productive manufacturing process and making it possible to manufacture custom-made fasteners to fulfill certain needs.

At Sumit Impex, we show the utmost attention to the packaging of Duplex 31803 fasteners. We recognize the significance of protecting these premium fasteners during transport and storage. Because of this, we use strong packaging materials and guarantee suitable cushioning to avoid any harm or pollution. Each fastener will be attentively packaged to sustain its integrity and ensure it arrives in perfect condition to our customers.

Specification:- Duplex 31803 Fasteners

SpecificationASTM A479 / ASME SA479
StandardDIN, ISO ,JIS ,GB, IS, BS, ASTM and all International Standards
SizeM3 - M100 | 3/6″ - 4″ | Custom Sizes
Fasteners Length3 mm - 200 mm | Custom Sizes
Nuts SizeM3 - M56 | 3/6" to 2" | Custom Sizes
Washers SizeM3 - M56 | 3/6" to 2" | Custom Sizes
DimensionsDIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Threads availableUNF, BSW, BSF, METRIC, UNC, or as required
Threads ConfigurationASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
FormHex, Threading, Square, Round as per Gauge Etc.
HeadHex, Square, Round, Hex flange, Flat, T-head & Triangular etc.
Neck typeHex, Square, Triangular, Oval & Knurled etc.
Surface CoatingBlack Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request
Manufacturing ProcessWire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing.

Equivalent Grade:- Duplex 31803 Fasteners

STANDARDWERKSTOFF NR.UNS
Duplex 22051.4462S31803 / S32205

Chemical Composition:- Duplex 31803 Fasteners

GradeCMnSiPSCrMoNiNFe
UNS S318030.030 max2.00 max1.00 max0.030 max0.020 max21.0 – 23.02.50 - 3.504.50 – 6.500.8 – 0.2063.54 min

Mechanical Properties:- Duplex 31803 Fasteners

GradesDensity (g/cm 3)Melting PointTensile Strength (MPa) minYield Strength 0.2% Proof (MPa) minElongation (% in 50mm) min
UNS S318037.8 g/cm31350 °C (2460 °F)Psi – 116000 , MPa – 800Psi – 80000 , MPa – 55015 %

Dimensions:- Duplex 31803 Fasteners

Bolts Dimensions

Nominal Size or Basic Product DiameterFull-Size Body Diameter, EWidth Across Flats, FWidth Across Corners, GHead Height, H BasicRadius of Fillet, RNominal Thread Length for Bolt Lengths, LT
inchmmMaxMinBasic inchMaxMinMaxMinBasic inchMaxMinMaxMin6 in. and ShoterOver 6 in.
1⁄40.250.260.2377⁄160.4380.4250.5050.48411⁄640.1880.150.030.010.751
5⁄160.31250.3240.2981⁄20.50.4840.5770.5527⁄320.2350.1950.030.010.8751.125
3⁄80.3750.3880.369⁄160.5620.5440.650.621⁄40.2680.2260.030.0111.25
7⁄160.43750.4520.4215⁄80.6250.6030.7220.68719⁄640.3160.2720.030.011.1251.375
1⁄20.50.5150.4823⁄40.750.7250.8660.82611⁄320.3640.3020.030.011.251.5
5⁄80.6250.6420.60515⁄160.9380.9061.0831.03327⁄640.4440.3780.060.021.51.75
3⁄40.750.7680.72911⁄81.1251.0881.2991.241⁄20.5240.4550.060.021.752
7⁄80.8750.8950.8521 5⁄161.3121.2691.5161.44737⁄640.6040.5310.060.0222.25
111.0220.9761 1⁄21.51.451.7321.65343⁄640.70.5910.090.032.252.5
1 1⁄81.1251.1491.0981 11⁄161.6881.6311.9491.8593⁄40.780.6580.090.032.52.75
1 1⁄41.251.2771.2231 7⁄81.8751.8122.1652.06627⁄320.8760.7490.090.032.753
1 3⁄81.3751.4041.3452 1⁄162.0621.9942.3822.27329⁄320.940.810.090.0333.25
1 1⁄21.51.5311.472 1⁄42.252.1752.5982.4811.0360.9020.090.033.253.5
1 5⁄81.6251.6581.5912 7⁄162.4382.3562.8152.6161 3⁄321.1160.9780.090.033.53.75
1 3⁄41.751.7851.7162 5⁄82.6252.5383.0312.8931 5⁄321.1961.0540.120.043.754
1 7⁄81.8751.9121.8392 13⁄162.8122.7193.2483.0991 1⁄41.2761.130.120.0444.25
222.0391.964332.93.4643.3061 11⁄321.3881.1750.120.044.254.5
2 1⁄42.252.3052.2143 3⁄83.3753.2623.8973.7191 1⁄21.5481.3270.190.064.755
2 1⁄22.52.5592.4613 3⁄43.753.6254.334.1331 21⁄321.7081.4790.190.065.255.5
2 3⁄42.752.8272.7114 1⁄84.1253.9884.7634.5461 13⁄161.8691.6320.190.065.756
333.0812.9614 1⁄24.54.355.1964.95922.061.8150.190.066.256.5
3 1⁄43.253.3353.214 7⁄84.8754.7125.6295.3722 3⁄162.2511.9360.190.066.757
3 1⁄23.53.5893.4615 1⁄45.255.0756.0625.7862 5⁄162.382.0570.190.067.257.5
3 3⁄43.753.8583.7265 5⁄85.6255.4376.4956.1982 1⁄22.5722.2410.190.067.758
444.1113.975665.86.9286.6122 11⁄162.7642.4240.190.068.258.5

Stud Bolt Dimensions

Nominal Size Diameter, D inchTap End Full Thread Length, BMUmax = 2PMinimum Nut End Full Thread Length, Bmin
NominalMin.Max.UNC & NC-5 ThreadUNF Thread8UN ThreadL ≤ 1010 < L ≤ 16L > 16
1/40.3750.3500.4000.1000.071...0.7501.0001.500
5/160.4690.4400.4980.1110.083--0.8751.1251.625
3/80.5630.5320.5940.1250.083--1.0001.2501.750
7/160.6560.6200.6920.1430.100--1.1251.3751.875
1/20.7500.7080.7920.1540.100--1.2501.5002.000
9/160.8440.8020.8960.1670.111--1.3751.6252.125
5/80.9380.8920.9830.1820.111--1.5001.7502.250
3/41.1.251.0751.1750.2000.125--1.7502.0002.500
7/81.3131.2581.3680.2220.143--2.0002.2502.750
11.5001.4381.5620.2500.167--2.2502.5003.000
1 1/81.6881.6251.7500.2860.1670.2502.5002.7503.250
1 1/41.8751.8131.9380.2860.1670.2502.7503.0003.500
1 3/82.0632.0002.1250.3330.1670.2503.0003.2503.750
1 1/22.2502.1882.3130.3330.1670.2503.2503.5004.000
1 5/82.4382.3752.500----0.2503.5003.7504.250
1 3/42.6252.5632.6880.400--0.2503.7504.0004.500
1 7/82.8132.7502.875----0.2504.0004.2504.750
23.0002.9253.0750.444--0.2504.2504.5005.000
2 1/43.3753.3003.4500.444--0.2504.7505.0005.500
2 1/23.7503.6753.8250.500--0.2505.2505.5006.000
2 3/44.1254.0504.2000.500--0.2505.7506.0006.500
34.5004.4254.5750.500--0.250--6.5007.000
3 1/44.8754.7754.9750.500--0.250--7.0007.500
3 1/25.2505.1505.3500.500--0.250--7.5008.000
3 3/45.6255.5255.7250.500--0.250--8.0008.500
46.0005.9006.1000.500--0.250--8.5009.000

Nut Dimensions

Nominal Size inchBasic Major Diameter of ThreadWidth Across Flats, FWidth Across Corners, GThickness Heavy Hex Nuts, HThickness Heavy Hex Jam Nuts, H1Maximum Runout of Bearing Surface to Thread Axis, FIM
Heavy HEX NUTSHeavy Hex Jam Nuts
Specified Proof load
Basic inchMin.MaxMin.MaxBasic inchMin.MaxBasic inchMin.MaxUp to 150,000 psi150,000 psi and GreaterAll Strength Levels
1/40.25001/20.4880.5000.5560.57715/640.2180.25011/640.1560.1880.0170.0110.017
5/160.31259/160.5460.5620.6220.65019/640.2800.31413/640.1860.2200.0200.0120.020
3/80.375011/160.6690.6880.7630.79423/640.3410.37715/640.2160.2520.0210.0140.021
7/160.43753/40.7280.7500.8300.86627/640.4030.44117/640.2470.2850.0220.0150.022
1/20.50007/80.8500.8750.9691.01031/640.4640.50419/640.2770.3170.0230.0160.023
9/160.562515/160.9090.9381.0371.08335/640.5260.56821/640.3070.3490.0240.0170.024
5/80.62501 1/161.0311.0621.1751.22739/640.5870.63123/640.3370.3810.0250.0180.025
3/40.75001 1/41.2121.2501.3821.44347/640.7100.75827/640.3980.4460.0270.0200.027
7/80.87501 7/161.3941.4381.5891.66055/640.8330.88531/640.4580.5100.0290.0220.029
11.00001 5/81.5751.6251.7961.87663/640.9561.01235/640.5190.5750.0310.0240.031
1 1/81.12501 13/161.7561.8122.0022.0931 7/641.0791.13939/640.5790.6390.0330.0270.033
1 1/41.250021.9382.0002.2092.3091 7/321.1871.25123/320.6870.7510.0350.0300.035
1 3/81.37502 3/162.1192.1882.4162.5261 11/321.3101.37825/320.7470.8150.0380.0330.038
1 1/21.50002 3/82.3002.3752.6222.7421 15/321.4331.50527/320.8080.8800.0410.0360.041
1 5/81.62502 9/162.4812.5622.8282.9591 19/321.5561.63229/320.8680.9440.0440.0380.044
1 3/41.75002 3/42.6622.7503.0353.1751 23/321.6791.75931/320.9291.0090.0480.0410.048
1 7/81.87502 15/162.8442.9383.2423.3921 27/321.8021.8861 1/320.9891.0730.0510.0440.051
22.00003 1/83.0253.1253.4493.6081 31/321.9252.0131 3/321.0501.1380.0550.0470.055
2 1/42.25003 1/23.3883.5003.8624.0412 13/642.1552.2511 13/641.1551.2510.0610.0520.061
2 1/22.50003 7/83.7503.8754.2754.4742 29/642.4012.5051 29/641.4011.5050.0680.0580.068
2 3/42.75004 1/44.1124.2504.6884.9072 45/642.6472.7591 37/641.5221.6340.0740.0640.074
33.00004 5/84.4754.6255.1025.3402 61/642.8933.0131 45/641.6431.7630.0810.0700.081
3 1/43.250054.8385.0005.5155.7743 3/163.1243.2521 13/161.7481.8760.0870.0750.087
3 1/23.50005 3/85.2005.3755.9286.2073 7/163.3703.5061 15/161.8702.0060.0940.0810.094
3 3/43.75005 3/45.5625.7506.3416.6403 11/163.6163.7602 1/161.9902.1340.1000.0870.100
44.00006 1/85.9256.1256.7557.0733 15/163.8624.0142 3/162.1122.2640.1070.0930.107

Washer Dimensions

Nominal SizeTClipped Width E, Min.
I.D.O.D.StandardExtra Thick
[Note (1)]Max.Min.Max.Min.Max.Min.Max.Min.[Note (2)]
1214.4142725.74.63.110810.5
1618.4183432.44.63.110814
2022.5224240.44.63.110817.5
2224.5244442.44.63.410819.2
2426.5265048.44.63.410821
2730.53056S4.14.63.410823.6
3033.6336058.14.63.410826.2
3639.6397270.14.63.410831.S
4245.6458481.87.24.610836.7
4852.7529592.87.24.610842
5662.762107104.88.76.110849
6470.770118115.88.76.110856
7278.778130127.58.76.110863
8086.986142139.58.76.110870
9096.996159156.58.76.110878.7
100107.9107176173.58.76.110887.5

Weight Chart:- Duplex 31803 Fasteners

LENGTHS#2#3#4#5#6#8#10#121/4″5/16″3/8″
1/80.400.550.701.11.4
3/160.500.700.901.21.52.53.9
1/40.600.801.001.41.72.84.35.68.5
5/160.600.901.201.51.93.14.66.19.116.7
3/80.700.901.301.72.13.45.06.59.817.729.2
7/160.801.001.501.92.23.65.46.910.418.830.7
1/20.801.101.602.02.43.95.87.411.119.832.2
9/160.901.201.702.22.64.26.27.811.720.933.6
5/81.001.301.802.32.84.56.68.312.421.935.1
3/41.101.502.102.63.25.07.39.213.624.038.0
7/81.301.702.303.03.55.68.110.114.926.141.0
1″1.401.902.503.43.96.28.911.016.128.844.0
1-1/8″1.502.002.803.84.36.79.611.917.430.247.0
1-1/4″1.602.203.004.14.67.310.412.818.732.349.8
1-1/2″1.802.503.504.75.38.311.914.721.236.555.8
1-3/4″2.102.904.005.36.19.413.516.523.740.761.7
2″2.403.304.506.06.810.615.018.326.244.867.6
2-1/4″2.603.605.006.77.611.816.620.128.819.073.5
2-1/2″2.803.905.507.38.312.918.122.031.353.279.5
2-3/4″3.104.306.007.99.113.919.723.833.957.385.3
3″3.404.706.508.69.815.021.225.636.461.591.3

Different Types:- Duplex 31803 Fasteners

Different Types Of Bolts:
ASTM A479 Duplex Steel S31803 Hex Bolts
DIN 1.4462 Carriage Bolts
Duplex Steel S31803 Stud Bolts
Duplex Steel S31803 Hex Head Bolts
Duplex Steel S31803 Forged Hook Bolts
Duplex Steel S31803 Torx Bolts
Duplex Steel S31803 Countersunk Bolts
Duplex Steel S31803 Flange Head Bolts
Duplex Steel S31803 Allen Bolts
S31803 UNS 12-Point Flange Bolts
ASTM A479 UNS S31803 Eye Bolts
Duplex Steel S31803 Bolts
Duplex Steel S31803 U Bolts
Duplex Steel S31803 J Bolts
Duplex Steel S31803 Elevator Bolt
UNS S31803 Lag Bolts
ASTM A479 Grade 31803 Threaded Expansion Anchor Bolt
ASME SA479 High Performance Anchor Bolts
Different Types Of Stud Bolt:
Duplex 31803 Bonding Stud Bolt Flange
DIN 1.4462 Clinch Stud Bolt
UNS 31803 Double End Stud Bolt
Double End Stud Bolts with Reduced Shank
1.4462 Dowel Screw type Stud Bolt
UNS 31803 Full Threaded Stud Bolt
1.4462 Half Threaded Stud Bolt
31803 Tap End Stud Bolts
Different Types Of Nut:
ASTM A479 Duplex Steel S31803 Hex Nuts
ASME SA479 Duplex Steel S31803 T Nuts
Duplex Steel S31803 Metric Nuts
UNS S31803 Rivet Nuts
Duplex Steel S31803 Nuts
Duplex Steel S31803 Sleeve Nuts
S31803 Duplex Steel 12-Point Nuts
ASTM A479 Duplex Steel S31803 Lug Nut
DIN 1.4462 Captive Nuts
Duplex Steel S31803 Dome Nuts
ASME SA479 Acorn Nuts
Duplex Steel S31803 Nyloc Nuts
UNS S31803 Insert Nuts
Duplex Steel S31803 Lock Nuts
ASTM A479 UNS S31803 Castle Nuts
Duplex Steel S31803 Square Nuts
Different Types Of Washer:
ASTM A479 Duplex Steel S31803 Plain Washer
ASME SA479 Duplex Steel S31803 Tab Washer
Duplex Steel S31803 Spring Washer
UNS S31803 Sealing Washer
Duplex Steel S31803 Lock Washer
UNS S31803 Square Washer
ASTM A479 Duplex Steel S31803 Flat Washer
DIN 1.4462 Split Washer

Price List:- Duplex 31803 Fasteners

  • Duplex Steel 31803 Hex Bolt
    USD $3.3 – $10.03 / Kg
  • Duplex Steel 31803 Hex Nut
    USD $3.08 – $10.18 / Kg
  • Duplex Steel 31803 Stud Bolt
    USD $3.48 – $10.48 / Kg
  • Duplex 31803 U Bolt
    USD $3.21 – $10.81 / Kg
  • UNS S31803 Spring Washer
    USD $3.17 – $10.45 / Kg
  • Astm A479 Duplex 31803 Threaded Rod
    USD $3.14 – $8 / Kg
  • Duplex 31803 Heavy Hex Bolt
    USD $3.16 – $10.92 / Kg

Application Industries

These material are not a single material but the name for a family of corrosion resistant steels. Like many scientific breakthrough the origins of stainless steel lies in a lucky accident. From the smallest part of zipper to the largest building skyscraper, stainless steel is an essential part of modern life.Stainless steel’s strength, resistance to corrosion and low maintenance make it the ideal material for a wide range of applications. It is also has a long life cycle and is 100% recyclable.

Packaging Industries

We Sumit Impex Metal Ensure the Best Quality of Packing, Because It Plays an Important Role Especially in the Case of International Shipments in Which Consignment Passes Through Various Channels to Reach the Ultimate Destination, So We Put Extraordinary Concern Regarding Packaging.

We pack our goods in numerous ways based on the products. We pack our products in multiple ways, such as,

Testings (Destructive, Non Destructive)

People Also Search:-

DIN 1.4462 Fasteners Catalogue, Duplex S31803 Stud Bolt Price List, a Wide range of UNS S31803 Hex Nut, Duplex Steel S31803 Plain Washer Grade Chart, ASME SB182 Duplex Steel S31803 Threaded Rod Specification, ASTM B182 Duplex S31803 Heavy Hex Nut at Factory Price, DIN 1.4462 Bolt Price List in India, Werkstoff Nr. 1.4462 Hex Nut at Factory Price.

City We Deliver:-

ASME SA479 Duplex 31803 Hex Nuts Stockist in Chennai, Duplex S31803 Stud Bolts Supplier in Coimbatore, 31803 Duplex 12 point nut Stockist in Kerla, UNS S31803 Forged Hook Bolts Manufacturer in Mumbai, DIN 1.4462 Star washer Supplier in Tamilnadu, DIN 1.4462 Torx Bolts Stockist in Ahmedabad, DIN 1.4462 Self-tapping-screw Stockist in Gujarat, 31803 Duplex Rivet Nuts Supplier in Hyderabad.

Countries We Export:-

31803 Duplex 12 point nut Stockist in Egypt, UNS S31803 Self drilling screws Stockist in Libya, ASME SA479 Duplex 31803 Sealing washer Exporter in Lebanon, Duplex 31803 Roofing screws Manufacturer in Israel, Duplex 31803 Lock washer Exporter in Yemen, Duplex 31803 Stud Bolts Supplier in Saudi Arabia, 31803 Duplex Countersunk Bolts Stockist in Australia, ASTM A479 Duplex 31803 Hex Bolts Manufacturer in USA.
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