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ASTM A790 UNS S31803 Duplex Pipe

Home|ASTM A790 UNS S31803 Duplex Pipe

PED Approved SA 790 Welded Pipe Manufacturer in China, Supplying Worldwide.

ASTM A790 UNS S31803 Duplex Pipe

Supplier of UNS 31803 Duplex Stainless Steel Pipes in Wenzhou & Duplex 31803 Seamless Pipes in Wide Size Range and Various Form

ASTM A790 UNS S31803 Duplex Pipe Specification

Origins

SA 790 Welded Pipe Origins

  • Russia, China
  • American
  • Janpanese
pipe Types

Types of UNS 31803 Duplex Stainless Steel Pipes

  • Square
  • Round
  • Rectangle
pipe size icon

Duplex 31803 Seamless Pipe Sizes

  • 1/2” to 8”
  • OD: 6.0-630mm
welded pipe size icon

ASTM a790 uns s31803 Welded Pipe Sizes

  • 6” to 24”
pipe manufacturing process

ASME sa 790 uns s31803 Manufacturing Process

  • Hot Finished Seamless pipe , cold rolled pipe
  • Cold Finished Seamless pipe , cold drawn pipe
Pipe Surface Finish

ASTM a790 uns s31803 Surface Finish

  • Bright, Mirror
  • Annealing, Cleaned
  • Polished
Pipe Testing

A790 UNS s31803 Pipe Testing

  • Flaring test
  • Tension test
  • PMI
  • Mechanical
Standards

ASTM a 790 UNS s31803 EFW Pipe Standards

  • EN 10297-2 (seamless pipe) , EN 10217-7 (welded pipe)
  • EN 10216-5 (seamless & welded pipe)
  • EN 10312 (welded pipe)
  • EN 10296-2 (welded pipe)
Applications

ASTM a790 UNS s31803 seamless pipe Applications

  • Gas Pipe, Fluid Pipe
  • Dairy Pipe, Oil Pipe
  • Boiler Pipe
Documentation

Duplex sa 790 UNS s31803 Pipe Documentation

  • QC/ Inspection reports
  • Labeling verification
  • Verify quantity
Packaging

UNS s31803 Packaging

  • Steel Strips Bundled
  • Standard seaworthy export packing
  • Ply Wooden Boxes
Advantages

Duplex UNS s31803 pipe Advantages

  • High Resistant
  • Resistant to Corrosion
Measurement

Measurement of SA 790 UNS s31803 pipe

  • Inner diameter
  • Outer diameter
  • Thickness, Length
Disadvantages

UNS 31803 Duplex Stainless Steel Pipes Disadvantages

  • very temperatures
  • machinability
End Types

ASTM A790 uns s31803 Pipe End Types

  • Bevel end
  • Plain end
Features

Features of ASME sa 790 UNS s31803 Pipe

  • Flexibility , Durability
  • Great weldability
  • Great strength

Types of Duplex UNS s31803 pipe


ASTM A790 UNS S31803 Duplex Pipe Supplier in China Provides a Wide Range of Regularly Used Pipe Types.


Duplex 31803 Seamless Pipes

Duplex 31803 Seamless Pipes

STM a790 UNS s31803 Welded Pipe

STM a790 UNS s31803 Welded Pipe

ASME SA 790 uns s31803 Pipe

ASME SA 790 uns s31803 Pipe

ASTM a790 UNS s31803 ERW Pipe

ASTM a790 UNS s31803 ERW Pipe

ASTM a 790 uns s31803 Rectangular Pipe

ASTM a 790 uns s31803 Rectangular Pipe

Duplex sa 790 uns s31803 Round Pipe

Duplex sa 790 uns s31803 Round Pipe

UNS S31803 welded pipe Square Pipe

UNS S31803 welded pipe Square Pipe

Duplex uns s31803 pipe EFW pipe

Duplex uns s31803 pipe EFW pipe

Duplex 31803 Seamless Welded Pipes

Duplex 31803 Seamless Welded Pipes


NS 31803 Duplex Stainless Steel Pipes Sizes

ASTM A790 UNS S31803 Duplex Pipe Manufacturer in China offers a wide Variety of Diameters to Satisfy Customer Needs.

NS 31803 Duplex Stainless Steel Pipes Sizes

WT
mm		 OD
mm		 Kg/m in. Sch
1.65 13.72 0.50 1/4 10S
2.24 13.72 0.64 1/4 40S
3.02 13.72 0.81 1/4 80S
1.65 17.15 0.64 3/8 10S
2.31 17.15 0.86 3/8 40S
3.20 17.15 1.12 3/8 80S
2.11 21.34 1.02 1/2 10S
2.77 21.34 1.29 1/2 40S
3.73 21.34 1.65 1/2 80S
2.11 26.67 1.30 3/4 10S
2.87 26.67 1.71 3/4 40S
3.91 26.67 2.23 3/4 80S
2.77 33.40 2.13 1 10S
3.38 33.40 2.54 1 40S
4.55 33.40 3.29 1 80S
6.352 33.40 4.30 1 160
2.77 42.16 2.73 1¼ 10S
3.56 42.16 3.44 1¼ 40S
4.85 42.16 4.53 1¼ 80S
6.352 42.16 5.69 1¼ 160
2.77 48.26 3.16 1½ 10S
3.68 48.26 4.11 1½ 40S
5.08 48.26 5.49 1½ 80S
2.77 60.33 3.99 2 10S
3.91 60.33 5.52 2 40S
5.54 60.33 7.60 2 80S
8.742 60.33 11.29 2 160
3.05 73.03 5.35 2½ 10S
5.16 73.03 8.77 2½ 40S
7.01 73.03 11.59 2½ 80S
5.49 88.90 11.47 3 40S
7.62 88.90 15.51 3 80S
11.132 88.90 21.67 3 160
3.05 88.90 6.56 3 10S
5.74 101.60 13.78 3½ 40S
3.05 101.60 7.53 3½ 10S
8.08 101.60 18.92 3½ 80S
3.05 114.30 8.50 4 10S
6.02 114.30 16.32 4 40S
8.56 114.30 22.67 4 80S
13.492 114.30 34.05 4 160
6.55 141.30 22.10 5 40S
9.53 141.30 31.44 5 80S
15.882 141.30 49.87 5 160
3.4 168.28 14.04 6 10S
7.11 168.28 28.69 6 40S
10.97 168.28 43.21 6 80S
14.27 168.28 54.75 6 120
18.262 168.28 68.59 6 160
18.23 219.08 91.30 8 120
23.012 219.08 112.97 8 160
8.18 219.08 43.20 8 40S
12.7 219.08 65.63 8 80S

Weight Chart of Duplex 31803 Seamless Pipes

NPS Outside Diameter Wall Thickness Weight Weight
in mm mm in Lb/ft kg/Mtr Sched
4.547 0.179 2.172 3.325 80 STD
1 1/4″ 1.660 42 3.556 0.140 2.273 3.385 40 STD
4.851 0.191 2.997 4.464 80 STD
1 1/2″ 1.900 48 3.683 0.145 2.718 4.048 40 STD
5.080 0.200 3.361 5.409 80 STD
2″ 2.375 60 3.912 0.154 3.653 5.441 40 STD
5.537 0.218 5.022 7.480 80 STD
1/2″ 0.840 21 2.769 0.109 0.851 1.268 40 STD
3.734 0.147 1.088 1.621 80 STD
3/4″ 1.050 27 2.870 0.113 1.131 1.684 40 STD
3.912 0.154 1.474 2.195 80 STD
1″ 1.315 33 3.378 0.133 1.679 2.501 40 STD
2 1/2″ 2.875 73 5.516 0.203 5.793 8.629 40 STD
7.010 0.276 7.661 11.411 80 STD
3″ 3.500 89 5.486 0.216 7.576 11.284 40 STD
7.620 0.300 10.253 15.272 80 STD
4″ 4.500 114 6.020 0.237 10.790 16.073
8.560 0.337 14.983 22.318
6″ 6.625 168 4.775 0.188 12.924 19.252
5.516 0.203 13.923 20.739
5.563 0.219 14.983 22.318
6.350 0.250 17.021 25.354
7.112 0.280 18.974 58.263 40 STD
7.925 0.312 21.036 31.334
9.525 0.375 25.031 37.285
10.973 0.432 28.573 42.561 80 XHY
12.700 0.500 32.708 48.719
8″ 8.625 219 4.775 0.188 16.940 25.233
5.156 0.203 18.259 27.198
5.563 0.219 19.661 29.286
6.350 0.250 22.361 33.308 20
7.036 0.277 24.696 36.786 30
8.179 0.322 28.554 42.352 40
9.525 0.375 33.041 49.216
10.312 0.406 35.638 53.085 60
12.700 0.500 43.388 64.627 80 XHY
10″ 10.750 273 4.775 0.188 21.207 31.588
5.563 0.219 24.631 36.689
6.350 0.250 28.035 41.759 20
7.798 0.307 34.240 51.002 30
8.738 0.344 38.231 56.946
9.271 0.365 40.483 63.301 40 STD
11.125 0.438 48.238 71.852
12.700 0.500 54.735 81.530 60 XHY
15.088 0.594 64.429 95.969 80
12″ 12.750 324 4.775 0.188 25.222 37.570
5.563 0.219 29.309 43.657
6.350 0.250 33.375 49.713
7.137 0.281 37.420 55.739
7.925 0.312 41.445 61.735
9.525 0.375 49.562 73.824
10.312 0.406 53.525 79.727
12.700 0.500 65.415 97.438
14.275 0.562 73.154 108.966
14″ 14.000 356 4.775 0.188 27.732 41.308
5.563 0.219 32.233 48.012
6.350 0.250 36.713 54.685 20
7.137 0.281 41.172 61.327
7.925 0.312 45.611 67.939
9.525 0.375 54.568 81.281 STD
11.125 0.438 63.441 94.498 40
12.700 0.500 72.090 107.381 XHY
15.875 0.625 89.278 132.983
16” 16.000 406 4.775 0.188 21.748 47.290
5.563 0.219 36.910 54.980
6.350 0.250 42.053 62.639 10
7.137 0.281 47.174 70.268
7.925 0.312 52.275 77.866 20
8.738 0.344 57.519 85.677
9.525 0.375 62.578 93.213 30 STD
11.125 0.438 72.797 108.433
12.700 0.500 82.770 123.289 40 XHY
18″ 18.000 457 5.563 0.219 41.588 61.948
12.700 0.500 93.450 139.198 XHY
14.275 0.562 104.666 155.904 40
15.875 0.625 115.978 172.754
6.350 0.250 47.393 70.593
7.137 0.281 53.176 79.208
7.925 0.312 58.939 87.792 20
9.525 0.375 70.588 105.144 STD
11.125 0.438 82.152 122.369 30
20″ 20.000 508 6.350 0.250 52.733 78.547
7.163 0.282 59.386 88.458
7.925 0.312 65.604 97.719
9.525 0.375 78.598 117.075 20 STD
11.125 0.438 91.508 136.305
12.700 0.500 104.130 155.106 30 XHY
15.088 0.594 123.110 183.378 40
15.875 0.625 129.328 192.640
17.475 0.688 141.901 211.368
24″ 24.000 610 6.350 0.250 63.413 94.456
7.137 0.281 71.183 106.029
7.925 0.312 18.932 117.573
9.525 0.375 64.618 140.938 20 STD
11.125 0.438 110.219 164.176
12.700 0.500 125.490 186.923 XHY
15.875 0.625 156.028 232.410
17.475 0.688 171.293 255.148 40
19.050 0.750 186.233 277.401
30″ 30.000 762 6.350 0.250 79.433 118.318
7.137 0.281 89.189 132.851
7.925 0.312 98.925 147.353 10
9.525 0.375 118.648 176.731 STD
11.125 0.438 138.286 205.983
12.700 0.500 157.530 234.647 20 XHY
15.875 0.625 196.078 292.066 30
17.475 0.688 215.380 320.817
19.050 0.750 234.293 348.988
36″ 36.000 914 6.350 0.250 95.453 142.180
15.875 0.625 236.128 351.723
17.475 0.688 259.467 386.487
19.050 0.750 282.353 420.576
7.137 0.281 107.196 159.672
7.925 0.312 118.918 177.133 10
9.525 0.375 142.678 215.525 STD
11.125 0.438 166.353 247.790
12.700 0.500 198.570 282.372 20 XHY
42″ 42.000 1067 7.925 0.312 138.911 206.914
9.525 0.375 166.708 248.319 STD
12.700 0.500 221.610 33.097 XHY
19.050 0.750 330.413 492.163
48″ 48.000 1219 9.525 0.375 190.738 284.112 STD
11.125 0.438 222.487 331.404
12.700 0.500 253.650 377.822 XHY
19.050 0.750 378.473 563.750
22.225 0.875 440.383 655.969

Pressure Rating Chart of ASTM A790 UNS s31803 pipe

O.D. Pipe
(In.)		 Wall Thickness Of Pipe (In.)
.028 .035 .049 .065 .083 .095 .109 .120
Working Pressure (Psig)
1/8 7900 10100            
3/8   3100 4400 6100        
3/4     2200 3000 4000 4600    
1/2   2300 3200 4400        
1/4 3700 4800 7000 9500        
5/16   3700 5400 7300        
1       2200 2900 3400 3900 4300

Applications Of Duplex SA 790 UNS s31803

Applications Of Duplex SA 790 UNS s31803

Applications

  • Gas Pipe
  • Fluid Pipe
  • Dairy Pipe
  • Oil Pipe
  • Boiler Pipe




Chemical Composition of SA 790 UNS S31803 pipe

Manganese

2.00

Phosphorus

0.030

Nickel

4.5-6.5

Chromium

21.0-23.0

Carbon

0.030

Silicon

0.020

SA 790 Welded Pipe Mechanical Properties

Yield Strength

65

Tensile Strength

90

Hardness

217


Elongation

25 %



Equivalent Grades Of UNS 31803 Duplex Stainless Steel Pipes

UNS

S31803

WERKSTOFF NR

1.4462


Physical Properties of Duplex 31803 Seamless Pipes

ASTM A790 UNS S31803 Duplex Pipe Manufacturer in China Provides Best Quality Pipes With Superior Physical Qualities.


Grade S31803 Elastic
Modulus(GPa)		 Mean Co-eff of Thermal
Expansion (μm/m/°C)		 Thermal
Conductivity (W/m.K)		 Density
(kg/m3)		 Specific
Heat
0-100°C( J/kg.K)
0-100°C 0-315°C 0-538°C at 100°C at 500°C
UNS S31803 850 190 13.7 14.2 – 19 – 782

Duplex sa 790 uns s31803 welded pipe HS Code

Grade ASTM A790 UNS S31803 Duplex Pipe
HS Code 73044900

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