The marine industry, where the components are regularly exposed to saltwater that includes around 3.5 percent salt by their whole weight, benefits from the alloy's resistance to chloride ions. The textile industry needs a metal like ASME SA 479 S31803 Heavy Hex Screw since it also uses salt and corrosive acids like hydrochloric acid and sulfuric acid as reagents in processes like scouring and bleaching. The Duplex Steel UNS S31803 Screw would be a perfect complement to these businesses because the alloy has excellent resistance to chemical elements such as acid, alkalis, and neutral solutions. Duplex alloys provide their customers with good weldability. Therefore, where a durable bond is required, it is common practice to use a UNS S31803 Socket Cap Screw in conjunction with a welding process. When compared to a typical austenitic alloy, the rate of corrosion for a Duplex S31803 Threaded Screw is reduced at higher temperatures.

Duplex Steel S31803 Screws, DSS S31803 Screws, S31803 Duplex Steel Screws, Duplex S31803 Hex Head Cap Screws, Duplex S31803 Socket Head Cap Screws, Ped Approved Manufacturer of S31803 Industrial Duplex Steel Screws, Duplex Stainless Steel S31803 Screws, Duplex S31803 Square Head Screws, Duplex Steel 1.4462 Screws, DSS S31803 Screws At Best Price In India, S31803 Duplex Steel Flange Head Screws, S31803 Duplex Screws Manufacturers, UNS S31803 Screws, Duplex Steel S31803 Screws Supplier in Mumbai, India.

Zeon Fasteners LLP is one of the well-known suppliers of ASTM A479 Duplex Steel UNS S31803 Screws. A screw is a tool that connects or holds two or more components together. To fasten specified components, screws are employed in conjunction with screws. While the requirements for various applications vary, so do the materials used to make Screws that meet a given specification. For instance, the duplex grade DIN 1.4462 Studs, has high mechanical strength. Additionally, Duplex steel UNS S31803 Screws have better corrosion-resistant qualities than austenitic stainless steel. The ASTM A479 Duplex Steel UNS S31803 Hex Screws are beneficial in situations that contain hostile media due to the alloy's capacity to withstand stress-related corrosion cracking. Unlike the Duplex Steel UNS S31803 Hex Cap Screw, chlorine ions are known to adversely impact stainless steel since they rapidly attack the metal.

Duplex Steel S31803 Screws

Specification For DSS S31803 Screws

Screw standard : ISO 14583, ISO 10642
British standards : BS 57
Screws Size : Cold Forging : M2-M24M
Hot forging M24-M100, 1-1/2” Dia, up to 1100mm lg
Machining and CNC for Customized connecting element: up to M100 / 4” Dia, up to 1500mm lg
No 10 Screws 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 Sizes
Length : 3 mm to 200 mm
Threads: METRIC, BSW, BSF, UNC, UNF or as required
Standard: ISO 14585C ~DIN 7981C, DIN 7973C ~ISO 1483, DIN 7983C ~ISO 7051, ISO 4762, ISO 2009, ISO 7050, ISO 14587, ISO 14587, ISO 14584, ISO 14582, ANSI B18.3.1M, ASME B18.6.3, GB/T5782, GB/T5783, GB5783, DIN, ISO, JIS, GB, IS, BS, ASTM and all International Standards, ANSI – American National Standards Institute
DIN Standard : B.S. DIN 933, DIN 931, DIN 934, DIN 912, DIN 603, DIN 6923, DIN 970, DIN 7981, DIN 7982, DIN916, DIN 913, DIN 7985
UTS – Unified Thread Standard: UNC, UNF, UNEF, UNS, NPT, NPTF
Dimensions: ASME B18.6.3 **Exception: screws 6 inches and shorter are fully threaded
Tolerance: +/-0.01mm to +/-0.05mm
Type: Pan/ Round/ Oval/ Hex Head/ Truss head
Screws Surface Coating: Ptfe Coated Screws, Hot Dipped Galvanizing Screws, Phosphate Screws, Teflon Screws, Xylon Screws, Zinc Phosphate Screws, Manganese Phosphate, Zinc Electro Plating (Hexavalent or Trivalent Chrome), ZAC (Zinc Aluminum Flake Coating), Cadmium Screws, All surface finishes can be supplied, including Zinc, Galvanised, Sherardized, Electroless Nickel, Dacromet, Geomet & PTFE.
Head: Pan head, flat head, oval head, hex head, phillips head

Equivalent Grades Of Duplex Steel S31803 Screws

STANDARD WERKSTOFF NR. UNS
Duplex Steel S31803 1.4462 S31803

S31803 Duplex Screws 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

Duplex Steel S31803 Screws Mechanical Properties

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

Duplex Steel S31803 Wood Screws Dimension

Wood Screws: Slotted & Phillips Flat Head Dimensions (ASME B18.6.1)

Nominal Size*

Phillips Driver Size

Head Diameter (A)
Head Height (H)
Width of Slot (J)
Depth of Slot (T)
Dimension of Recess
Max
Min
Ref
Max
Min
Max
Min
Dia. Max (M)
Dia. Min (M)
Depth Max (G)
Depth Min (G)
Width Min (N)
2
1
.172
.147
.051
.031
.023
.023
.015
.102
.089
.063
.047
.017
3
1
.199
.141
.059
.035
.027
.027
.017
.107
.094
.068
.052
.018
4
1
.225
.195
.067
.039
.031
.030
.020
.128
.115
.089
.073
.018
5
2
.252
.220
.075
.043
.035
.034
.022
.154
.141
.086
.063
.027
6
2
.279
.244
.083
.048
.039
.038
.024
.174
.161
.106
.083
.029
7
2
.305
.268
.091
.048
.039
.041
.027
.189
.176
.121
.098
.030
8
2
.332
.292
.100
.054
.045
.045
.029
.204
.191
.136
.113
.032
9
2
.358
.316
.108
.054
.045
.049
.032
.214
.201
.146
.123
.033
10
3
.385
.340
.116
.060
.050
.053
.034
.258
.245
.146
.123
.034
12
3
.438
.389
.132
.067
.056
.060
.039
.283
.270
.171
.148
.036
14
3
.507
.452
.153
.075
.064
.070
.046
.283
.270
.171
.148
.036
16
3
.544
.485
.164
.075
.064
.075
.049
.303
.290
.191
.168
.039
Wood Screws: Round Head Dimensions (ASME B18.6.1)

Nominal Size*

Phillips Driver Size

Head Diameter (A)
Head Height (H)
Width of Slot (J)
Depth of Slot (T)
Dimension of Recess
Max
Min
Max
Min
Max
Min
Max
Min
Dia. Max (M)
Dia. Min (M)
Depth Max (G)
Depth Min (G)
Width Min (N)
2
1
.162
.146
.069
.059
.031
.023
.048
.037
.114
.101
.064
.042
.018
4
2
.211
.193
.086
.075
.039
.031
.058
.044
.130
.117
.083
.063
.019
5
2
.236
.217
.095
.083
.043
.035
.063
.047
.154
.141
.074
.046
.027
6
2
.260
.240
.103
.091
.048
.039
.068
.051
.162
.149
.084
.056
.027
7
2
.285
.264
.111
.099
.048
.039
.072
.055
.170
.157
.092
.066
.028
8
2
.309
.287
.120
.107
.054
.045
.077
.058
.178
.165
.101
.075
.030
9
2
.334
.311
.128
.115
.054
.045
.082
.062
.186
.173
.110
.084
.030
10
2
.359
.334
.137
.123
.060
.050
.087
.065
.195
.182
.119
.093
.031
12
3
.408
.382
.153
.139
.067
.056
.096
.073
.249
.236
.125
.099
.032
14
3
.457
.429
.170
.155
.075
.064
.106
.080
.265
.252
.142
.116
.034
Wood Screws: Oval Head Dimensions (ASME B18.6.1)

Nominal Size*

Phillips Driver Size

Head Diameter (A)
Head Height (H)


Width of Slot (J)
Depth of Slot (T)
Dimension of Recess
Max
Min
Side Height (Ref.)
Total Height Max
Total Height Min
Max
Min
Max
Min
Dia. Max (M)
Dia. Min (M)
Depth Max (G)
Depth Min (G)
Width Min (N)
4
1
.225
.195
.067
.104
.084
.039
.031
.059
.049
.136
.123
.094
.077
.019
5
2
.252
.220
.075
.116
.095
.043
.035
.067
.055
.158
.145
.085
.061
.028
6
2
.279
.244
.083
.128
.105
.048
.039
.074
.060
.178
.165
.105
.080
.030
8
2
.332
.292
.100
.152
.126
.054
.045
.088
.072
.205
.192
.131
.106
.033
9
2
.358
.316
.108
.164
.137
.054
.045
.095
.078
.216
.203
.144
.119
.034
10
3
.385
.340
.116
.176
.148
.060
.050
.103
.084
.261
.248
.142
.118
.037
12
3
.438
.389
.132
.200
.169
.067
.056
.117
.096
.283
.270
.165
.140
.040

Diameter Of Duplex Steel S31803 Wood Screws Thread & Body

Wood Screws: Thread & Body Diameter – Cut & Rolled Thread Types

Nominal Size* or Basic Screw Diameter

Threads Per Inch
Major Thread Diameter (D)

Body Diameter – (E) Cut Thread
Body Diameter – (E) Rolled Thread
Thread Depth (F)
Max
Min
Max
Min
Max
Min
Min
2
.086
26
.090
.079
.090
.079
.075
.064
.010
3
.099
24
.103
.092
.103
.092
.086
.075
.014
4
.112
22
.116
.105
.116
.105
.095
.084
.016
5
.125
20
.129
.118
.129
.118
.107
.096
.018
6
.138
18
.142
.131
.142
.131
.118
.107
.020
7
.151
16
.155
.144
.155
.144
.127
.116
.022
8
.164
15
.168
.157
.168
.157
.136
.125
.023
9
.177
14
.181
.170
.181
.170
.147
.136
.026
10
.190
13
.194
.183
.194
.183
.157
.146
.030
12
.216
11
.220
.209
.220
.209
.176
.165
.031
14
.242
10
.246
.235
.246
.235
.201
.190
.035
16
.268
9
.272
.261
.272
.261
.214
.203
.038

Dimensions of Duplex Steel S31803 Socket Head Cap Screw

Nominal
Thread.
Hex Socket Size
Body diameter and Head height
Head Dia
Soc. length
Size
Pitch
Max
Min
Max
Min
J
D /H
A
K
M3
0.5
2.50
3.00
2.86
5.50
5.20
1.3
M4
0.70
3.00
4.00
3.82
7.00
6.64
2.00
M5
0.8
4.00
5.00
4.82
8.50
8.14
2.70
M6
1.0
5.00
6.00
5.82
10.00
9.64
3.30
M8
1.25
6.00
8.00
7.78
13.00
12.57
4.3
M10
1.5
8.00
10.00
9.78
16.00
15.57
5.50
M12
1.75
10.00
12.00
11.73
18.00
17.57
6.60
M16
2.0
14.00
16.00
15.73
24.00
23.48
8.80
M20
2.5
17.00
20.00
19.67
30.00
29.48
10.70
M24
3.0
19.00
24.00
23.67
36.00
35.38
12.90

Dimensions of Duplex Steel S31803 Countersunk Screw

Nominal
Thread.
Hex Socket Size
Body diameter and Head height
Head Dia
Soc. length
Size
Pitch
Max
Min
Max
Min
J
D /H
A
K
M3
0.5
2.50
3.00
2.86
5.50
5.20
1.3
M4
0.70
3.00
4.00
3.82
7.00
6.64
2.00
M5
0.8
4.00
5.00
4.82
8.50
8.14
2.70
M6
1.0
5.00
6.00
5.82
10.00
9.64
3.30
M8
1.25
6.00
8.00
7.78
13.00
12.57
4.3
M10
1.5
8.00
10.00
9.78
16.00
15.57
5.50
M12
1.75
10.00
12.00
11.73
18.00
17.57
6.60
M16
2.0
14.00
16.00
15.73
24.00
23.48
8.80
M20
2.5
17.00
20.00
19.67
30.00
29.48
10.70
M24
3.0
19.00
24.00
23.67
36.00
35.38
12.90

Various Types of Duplex Steel S31803 Screws

Duplex Steel S31803 Flat Head Cap Screw

Duplex Steel S31803 Flat Head Cap Screw

  • Duplex S31803 Flat Head Cap Screw
  • DSS S31803 Flat Head Cap Screw
  • Duplex Stainless Steel S31803 Flat Head Cap Screw
  • S31803 Duplex Steel Flat Head Cap Screw
  • S31803 Duplex Flat Head Cap Screw
  • Duplex Steel 1.4462 Flat Head Cap Screw
  • UNS S31803 Flat Head Cap Screw
Duplex Steel S31803 Socket Head Cap Screw

Duplex Steel S31803 Socket Head Cap Screw

  • Duplex S31803 Socket Head Cap Screw
  • Duplex Stainless Steel S31803 Socket Head Cap Screw
  • S31803 Duplex Steel Socket Head Cap Screw
  • DSS S31803 Socket Head Cap Screw
  • S31803 Duplex Socket Head Cap Screw
  • Duplex Steel 1.4462 Socket Head Cap Screw
  • UNS S31803 Socket Head Cap Screw
Duplex Steel S31803 Socket Set Screw

Duplex Steel S31803 Socket Set Screw

  • Duplex S31803 Socket Set Screw
  • Duplex Stainless Steel S31803 Socket Set Screw
  • S31803 Duplex Steel Socket Set Screw
  • DSS S31803 Socket Set Screw
  • S31803 Duplex Socket Set Screw
  • Duplex Steel 1.4462 Socket Set Screw
  • UNS S31803 Socket Set Screw
Duplex Steel S31803 Flange Head Screw

Duplex Steel S31803 Flange Head Screw

  • Duplex S31803 Flange Head Screw
  • Duplex Stainless Steel S31803 Flange Head Screw
  • S31803 Duplex Steel Flange Head Screw
  • DSS S31803 Flange Head Screw
  • S31803 Duplex Flange Head Screw
  • Duplex Steel 1.4462 Flange Head Screw
  • UNS S31803 Flange Head Screw
Duplex Steel S31803 Round Head Screw

Duplex Steel S31803 Round Head Screw

  • Duplex S31803 Round Head Screw
  • Duplex Stainless Steel S31803 Round Head Screw
  • S31803 Duplex Steel Round Head Screw
  • DSS S31803 Round Head Screw
  • S31803 Duplex Round Head Screw
  • Duplex Steel 1.4462 Round Head Screw
  • UNS S31803 Round Head Screw
Duplex Steel S31803 Mushroom Head Screw

Duplex Steel S31803 Mushroom Head Screw

  • Duplex S31803 Mushroom Head Screw
  • Duplex Stainless Steel S31803 Mushroom Head Screw
  • S31803 Duplex Steel Mushroom Head Screw
  • DSS S31803 Mushroom Head Screw
  • S31803 Duplex Mushroom Head Screw
  • Duplex Steel 1.4462 Mushroom Head Screw
  • UNS S31803 Mushroom Head Screw

Contact us to get a quick quote for your requirement.

We offer These Duplex Steel S31803 Screws as per DIN, ISO, JIS or ANSI Standard.

Ready Stock Of Duplex Steel S31803 Screws

  • S31803 Duplex Steel Metric Screws
  • Duplex Steel S31803 Hex Screws
  • Duplex Steel S31803 Button Head Screws
  • S31803 Duplex Steel Oval Head Screws
  • Duplex Steel S31803 Hex Head Screws
  • Duplex Steel S31803 Industrial Screws
  • S31803 DSS Counter Sunk Screws
  • Duplex Stainless Steel Grade S31803 Screws
  • DSS S31803 Self Drilling Screws Sized in Inches
  • Duplex S31803 ASME B18.3 Hexagon Socket Head Cap Screws
  • S31803 Duplex Square Head Screws
  • S31803 Duplex Steel Shoulder Screws
  • S31803 Duplex Bearing Screws
  • Duplex S31803 Mushroom Head Screws
  • Duplex Steel S31803 Impeller Screws
  • Type S31803 Duplex Steel Screws

S31803 DSS Screws Applications and Uses

We Serve Application Industry

Chemical Industry
Petrochemical Industry
Oil & Gas Industry
Marine Industry
Power Generation Industry
Sugar Industry
Marine Industry
Pharmaceuticals Industry
Cement Industry
Dairy Industry
Food Processing Industry
Paper & Pulp Industry
Offshore & Onshore Services

Chemical Industry Oil and Gas Industry Petrochemical Industry Power Generation Industry Cement Industry Food Processing Industry

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