Zeon Fasteners LLP is a leading stockholder and supplier of Duplex Steel UNS S31803 Stud Bolts of the highest quality. We provide these Duplex Steel UNS S31803 Stud Bolts at extremely reasonable costs.

Duplex Steel UNS S31803 Stud Bolts has a ferritic-austenitic microstructure. When the alloy is annealed, it contains 40 to 50 percent ferrite. The duplex microstructure retains the austenitic grades' corrosion resistance while having the high strength of the ferritic grades. Duplex Steel UNS S31803 Stud Bolt is frequently employed as a workable remedy for stress cracking brought on by chloride.

Compared to 317L stainless steel, Duplex Steel UNS S31803 Stud Bolt has better resistance to chloride pitting and crevice corrosion. Duplex Steel UNS S31803 Stud Bolt has exceptional corrosion resistance to seawater and the majority of sulphuric acid concentrations. Additionally, Duplex Steel UNS S31803 Stud Bolt resists the cracking caused by sulphide stress corrosion (sour-gas environments).

S31803 Duplex Steel Stud Bolts Stockist
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DSS S31803 Tap End Stud Bolts, Duplex Steel S31803 Stud Bolts, Duplex S31803 Stud Bolts, UNS S31803 Stud Bolts, S31803 Duplex Steel Stud Bolts, S31803 Duplex Stud Bolts Manufacturers, S31803 Duplex Double End Stud Bolts At Best Price In India, DSS S31803 Stud Bolts, Duplex Stainless Steel S31803 Stud Bolts, Ped Approved Manufacturer of S31803 Duplex Steel Stud Bolts, Duplex Steel 1.4462 Stud Bolts, Duplex Steel S31803 Stud Bolts Supplier in Mumbai, India.

Intergranular corrosion is not a problem for Duplex Steel UNS S31803 Stud Bolt. It has higher resistance to stress corrosion cracking than either stainless steel grade 304 or 316, and Duplex Steel UNS S31803 Stud Bolt has better corrosion resistance than other austenitic stainless grades like 316.. In corrosive conditions, Duplex Steel UNS S31803 Stud Bolt has greater fatigue strength than other austenitic stainless-steel specifications because of its higher corrosion resistance. The high concentrations of chromium, nitrogen, and molybdenum present, as well as their combined effects on performance, are largely credited with contributing to Duplex Steel UNS S31803 Stud Bolt’s exceptional quality.

For many applications, post-weld annealing is not necessary, although it will provide the best corrosion resistance under demanding service conditions.

Duplex Steel UNS S31803 Stud Bolts are employed by several Industries like Chemical engineering components, Oil & Gas industry components, Brewing industry., Pipework, flanges & manifolds, and Pumps & valves.

Duplex Steel S31803 Stud Bolts

Specification For DSS S31803 Stud Bolts

Standard: ASTM F593
Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Length : 3 to 200 mm
Dimensions : ANSI B18.2.1, ANSI/ASME B16.5
Standard : DIN 525, DIN 835, DIN 938, DIN 939, DIN 940, DIN 949-1, DIN 949-2, DIN 975, DIN 976, DIN 2509, BS 2693, BS 3692, BS 4439, IS 1862, IS 13178, ISO, JIS, GB, and all International Standards
Unified Thread Standard (UTS): UNC, UNF, NPT, UNS, UNEF, NPTF
Threads Configuration : B1.13M 6h Metric Coarse Threads and ASME B1.1 2A/3A Inch Unified Threads
Stud Bolts Forming: Hot Forged Stud Bolts & Cold Forged Stud Bolts
Certification: Dual Certified As per ASTM & ASME Codes

Equivalent Grades Of Duplex Steel S31803 Stud Bolts

STANDARD UNS WERKSTOFF NR.
Duplex S31803 S31803 1.4462

ASTM F593 S31803 Duplex Stud Bolts Chemical Composition

Grade C Mn Si P S Cr Mo Ni N Fe
Duplex S31803 0.03 max 2.0 max 1.0 max 0.03 max 0.02 max 21.00 - 23.00 2.5 - 3.5 4.5 - 6.5 0.08 - 0.20 68.395 min

Duplex Steel S31803 Stud Bolts Mechanical Properties

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 - 650-880 448 25

Weight Chart of Duplex Steel S31803 Stud Bolts

Weight Imperial

STUD BOLT LENGTH (in inches) 1/2 5/8 3/4 7/8 1 1 1/8 1 1/4 1.3/8 1 1/2 1.5/8 1.3/4 1 7/8
2.1/2 10.8
2.3/4 11.6 19.8
3.1/4 12.4 21 32.4
3.1/2 13.2 22.2 34.3 50
4 14 23.4 36.2 52.6 71.8
4.1/2 14.8 24.6 38.1 55.2 75.2 102
4.3/4 15.6 25.8 40 57.8 78.6 106 137
5 16.4 27 41.9 60.4 82 111 142 179
5.1/2 17.2 28.2 43.8 63 85.4 115 147 186 234
6 18 29.4 45.7 65.6 88.8 119 153 193 242 289
6.1/4 18.8 30.6 47.6 68.2 92.2 123 158 200 250 298 263
6.1/2 19.6 32.3 49.5 70.8 95.6 128 164 206 258 308 374 437
7 20.4 33.5 50.8 73.4 99 132 169 213 266 317 385 449
7.1/2 21.2 34.8 52.7 75.5 103 136 174 220 275 326 396 462
8 22 36.1 54.5 78 106 141 180 226 283 336 407 475
8.1/4 37.3 56.3 80.5 108 145 185 233 291 345 418 488
8.3/4 38.6 58.1 83.1 112 149 191 240 299 354 429 500
9 39.8 60 85.6 115 153 196 246 307 364 440 513
9.1/2 41.1 61.8 88.2 118 158 201 253 316 373 451 526
10 63.7 90.7 122 162 206 260 324 382 463 538
10/1.4 93.3 125 166 212 267 332 391 474 551
1.0.1/2 128 171 217 273 340 401 485 564
11 132 175 223 279 345 410 496 576
11.1/2 135 179 228 285 350 419 507 589
12 138 184 233 292 358 429 518 602

Weight Of Metric Studs Bolts

STUD BOLT LENGTH (in mm) M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M39
60 5,6 8,1 12 15,6
70 6,1 8,9 13 16,9 23,7
80 6,6 9,6 14 18,2 25,4 32,5
90 7,1 10,3 15 19,6 27,1 34,5 45,5
100 7,6 11 16 21 28,8 36,7 47,2 54,2
110 8,1 11,7 17 22,2 30,4 38,7 48,3 58,2 80
120 8,6 12,4 18 23,6 32,1 40,7 50,9 60,2 84,7 107
130 9,1 13,2 19 24,9 33,7 42,8 53,4 63,2 88,6 111 141
140 9,6 14,2 20 26,2 35,4 44,9 55,9 66,2 92,4 116 147 185
150 10,1 14,9 20,8 27,5 36,9 46,9 58,5 69,2 96,3 121 153 192 237
160 10,6 15,6 21,8 29,1 38,6 49 61 72,2 100,1 126 159 199 245
170 16,4 22,8 30,4 40,2 51,1 63,5 75,2 104 130 165 206 253
180 23,8 31,8 41,9 52,3 66,1 78,1 108 135 171 213 261
190 33,1 43,5 54,4 68,4 81,1 112 140 176 219 269
200 34,5 45,2 56,2 71 84 116 144 182 226 278
210 35,8 46,8 58,5 73,5 88,4 120 149 188 233 286
220 37,1 48,4 60,6 76,1 91,4 124 154 194 240 294
230 38,5 50,1 62,6 78,6 94,4 127 159 201 247 302
240 39,8 51,7 64,7 81,2 97,4 130,9 164 208 253 310
250 41,1 53,4 66,8 83,7 100,4 134,8 172 214 260 319
260 55 68,8 86,3 103,4 138,6 177 220 267 327
270 56,6 70,9 88,8 106,4 142,5 182 224 274 335
280 58,3 73 91,4 109,4 146,3 187 230 281 343
290 75 93,9 112,4 150,1 192 236 291 360
300 77,1 96,5 115,4 154 196 241 298 368
320 101,6 121,3 161,7 206 253 312 380
340 127,3 169,4 215 265 326 395
360 133,3 177,1 224 276 340 411
380 184,8 234 288 353 428
400 192,5 243 299 367 444
420 252 311 381 460
440 262 322 394 477
460 271 334 408 493
480 281 345 422 509
500 290 357 436 526

Duplex Steel S31803 Stud Bolts 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 Stud Bolts Torque Chart

Flange
Size
B16.5 Class 150 RF/ Ring Gaskets
B16.5 Class 150 FF/ Full Face Gaskets
Torque / Round (ft-lbs)
Stud Bolts Tighten Sequence
Torque / Round (ft-lbs)
Stud Bolts Tighten Sequence
1st
2nd
Final
Dwg/No.
Bolt Size
1st
2nd
Final
Dwg*/No.
Bolt Size
1/2″
10
20
30
4-bolt
1/2″
20
40
60
4-bolt
1/2″
3/4″
13
27
40
4-bolt
1/2″
20
40
60
4-bolt
1/2″
1″
15
30
50
4-bolt
1/2″
20
40
60
4-bolt
1/2″
1-1/4″
20
40
60
4-bolt
1/2″
20
40
60
4-bolt
1/2″
1-1/2″
20
40
60
4-bolt
1/2″
20
40
60
4-bolt
1/2″
2″
40
80
120
4-bolt
5/8″
40
80
120
4-bolt
5/8″
2-1/2″
40
80
120
4-bolt
5/8″
40
80
120
4-bolt
5/8″
3″
40
80
120
4-bolt
5/8″
40
80
120
4-bolt
5/8″
3-1/2″
40
80
120
8-bolt
5/8″
40
80
120
8-bolt
5/8″
4″
40
80
120
8-bolt
5/8″
40
80
120
8-bolt
5/8″
5″
60
120
200
8-bolt
3/4″
60
120
200
8-bolt
3/4″
6″
60
120
200
8-bolt
3/4″
60
120
200
8-bolt
3/4″
8″
60
120
200
8-bolt
3/4″
60
120
200
8-bolt
3/4″
10″
95
190
320
12-bolt
7/8″
95
190
320
12-bolt
7/8″
12″
95
190
320
12-bolt
7/8″
95
190
320
12-bolt
7/8″
14″
147
294
490
12-bolt
1″
147
294
490
12-bolt
1″
16″
147
294
490
16-bolt
1″
147
294
490
16-bolt
1″
18″
213
426
710
16-bolt
1-1/8″
213
426
710
16-bolt
1-1/8″
20″
213
426
710
20-bolt
1-1/8″
213
426
710
20-bolt
1-1/8″
24″
300
600
1,000
20-bolt
1-1/4″
300
600
1,000
20-bolt
1-1/4″

Flange Size
B16.5 Class 300 RF/ Ring Gaskets
Torque / Round (ft-lbs)
Stud Bolts Tighten Sequence*
1st
2nd
Final
Dwg/No.
Stud Bolts Size
1/2″
10
20
30
4-bolt
1/2″
3/4″
15
30
50
4-bolt
5/8″
1″
21
42
70
4-bolt
5/8″
1-1/4″
30
60
100
4-bolt
5/8″
1-1/2″
45
90
150
4-bolt
3/4″
2″
33
66
110
8-bolt
5/8″
2-1/2″
42
84
140
8-bolt
3/4″
3″
60
120
200
8-bolt
3/4″
3-1/2″
60
120
200
8-bolt
3/4″
4″
60
120
200
8-bolt
3/4″
5″
60
120
200
8-bolt
3/4″
6″
60
120
200
12-bolt
3/4″
8″
95
190
320
12-bolt
7/8″
10″
147
294
490
16-bolt
1″
12″
213
426
710
16-bolt
1-1/8″
14″
195
390
650
20-bolt
1-1/8″
16″
273
546
910
20-bolt
1-1/4″
18″
300
600
1,000
24-bolt
1-1/4″
20″
300
600
1,000
24-bolt
1-1/4″
24″
465
930
1,550
24-bolt
1-1/2″

Various Types of Duplex Steel S31803 Stud Bolts

Duplex Steel S31803 Full Threaded Stud Bolts

Duplex Steel S31803 Full Threaded Stud Bolt

  • S31803 Duplex Steel Full Threaded Stud Bolts
  • Duplex Steel 1.4462 Fully Threaded Stud
  • ASTM F593 S31803 Duplex Steel Full Threaded Stud Bolts
  • ASTM F593 S31803 Duplex Full Threaded Stud Bolt
  • Duplex Stainless Steel S31803 Full Threaded Stud Bolts
  • UNS S31803 Full Threaded Stud Bolts
  • DSS S31803 Full Threaded Stud Bolts
Duplex Steel S31803 Reduced Shank Stud Bolts

Duplex Steel S31803 Reduced Shank Stud Bolt

  • ASTM F593 S31803 Duplex Steel Reduced Shank Stud Bolts
  • UNS S31803 Reduced Shank Stud Bolts
  • ASTM F593 S31803 Duplex Reduced Shank Stud Bolt
  • Duplex Stainless Steel S31803 Reduced Shank Stud Bolts
  • S31803 Duplex Steel Reduced Shank Stud
  • DSS S31803 Reduced Shank Stud Bolts
  • Duplex S31803 Reduced Shank Stud Bolts
Duplex Steel S31803 Double End Stud Bolts

Duplex Steel S31803 Double End Stud Bolt

  • ASTM F593 S31803 Duplex Steel Double End Stud Bolts
  • S31803 Duplex Stainless Steel Double End Stud
  • UNS S31803 Double End Stud Bolts
  • ASTM F593 S31803 Duplex Double End Stud Bolt
  • Duplex S31803 Double End Threaded Stud Bolts
  • DSS S31803 Double End Stud Bolts
  • Duplex Steel 1.4462 Double Ended Stud

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Ready Stock Of Duplex Steel S31803 Stud Bolts

  • ASME B18.2.1 DSS S31803 Stud Bolts
  • Duplex Steel Gr S31803 Industrial Stud Bolts
  • Grade S31803 Duplex Steel Stud Bolts
  • Duplex S31803 Flange Stud Bolts
  • S31803 Duplex Welding Stud Bolts
  • S31803 Duplex Steel Reduced Shank Stud Bolts
  • S31803 DSS Tap End Stud Bolts
  • Duplex Steel S31803 Double Tap End Stud Bolt
  • Duplex Steel S31803 Full Thread Stud Bolts
  • S31803 DSS Stud Bolts
  • S31803 Duplex Double End Stud Bolts with Reduced Shank
  • DSS S31803 Fully Threaded Stud Bolt Sized in Inches
  • S31803 Duplex Steel Continuous Threaded Stud Bolts
  • ASTM F593 S31803 Duplex Steel Stud Bolt
  • Type of S31803 Duplex Steel Stud Bolts
  • Duplex Steel S31803 Threaded Rods
  • S31803 Duplex Steel Metric Stud Bolts

ASTM F593 S31803 DSS Stud Bolts 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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