ASME SA 789 UNS 32520 Duplex Steel Pipe for Heat Exchanger and petroleum industry

Duplex stainless steel has a signatory dual microstructure phase, which gives them heightened advantages in comparison to conventional steel. And since the ductility factor of these alloys is high, achieving an ASTM A789 UNS 32520 Duplex Stainless Steel Pipe Brighting Annealing is relatively simple. As bright annealed bars, not only do they have a smooth surface but, they can be constructed by the manufacturers, despite tight tolerances. Buyers have the option of purchasing either seamless or welded duplex steel pipes. Though with regards to its appearance, both welded and an ASME SA 789 UNS 32520 Seamless Pipe may be similar, yet dissimilar. While the shape and size of the pipe may be similar, the manner of manufacturing the UNS S32550 grade F61 Welded Pipe involves a weld seam. Though it is possible to redact the appearance of a weld seam by a significant degree, in a high pressured environment, the performance of a welded pipe is almost 20% lower than that of a seamless one. Yet, the cost-efficiency of a welded type is much higher than the former. When one speaks of the properties of duplex stainless steel alloys - their corrosion resistance is a feature that suits corrosive applications. Not to forget their performance in stress-related corrosive environments, where conventional alloys are susceptible to cracking. Cracked pipes are highly undesired in applications, where the media transported is flammable or toxic. Toxic media is highly corrosive. Either gaseous or liquid, the media flowing through pipes causes some form of friction. As the durability, corrosion resistance, and longevity of Alloy F255 UNS 32520 Pipe is much higher many buyers prefer using them. The specifications as - ASTM A790 and ASTM A789, are used in the construction of UNS S32520 EN 1.4507 Duplex Pipe. Both specifications take into consideration seamless as well as welded constructed pipes. In addition to the chemistry requirements, both specifications - ASTM A789 and ASTM A790 UNS S32520 Pipe require conformance to tests about their mechanical properties.

Oshwin Overseas is a well-known manufacturer & suppliers of ASTM A789 UNS 32520 Duplex Stainless Steel Pipe Brighting Annealing in India, we also stock stainless steel 304 pipe316 pipe & pipe fittings, we have ready stock of UNS 32750 Dupex Stainless Steel Seamless Pipes & Tubes available at best price. ASTM A789 UNS 32520 Duplex Stainless Steel Pipe Brighting Annealing are usually used in industries such as construction, oil extraction, medicine, food, paper, machinery, chemicals, food containers and others. The ASTM A789 UNS 32520 Duplex Stainless Steel Pipe Brighting Annealing are manufactured to sustain very high pressure and product warranty. The main reason being we have an excellent warehousing and storage facilities for both finished and semi finished goods. They are made ready as per the urgent requirements of the customers. We also supply ASTM A312Inconel pipeInconel 600 pipeInconel 625 pipeInconel 800 pipeInconel 825 pipeHastelloy pipeMonel pipe & Alloy 20 Pipes.

“We’ve proven that we are competitive in India, Brazil, Houston & UAE. Our ASTM A789 UNS 32520 Duplex Stainless Steel Pipe Brighting Annealing, Duplex and Super Duplex products are of European origin, have recognised quality and the required traceability. A number of Inian & Brazilian companies have been Oshwin clients for years through our international sales network.”.

ASTM A789 UNS 32520 Duplex Stainless Steel Pipe

ASTM A789 UNS 32520 Duplex Stainless Steel Pipe

ASTM A789 UNS 32520 Seamless Pipe

ASTM A789 UNS 32520 Seamless Pipe

ASME SA 789 UNS 32520 Welded Pipe

ASME SA 789 UNS 32520 Welded Pipe

ASTM A789 UNS 32520 Duplex Stainless Steel Pipe sizes

ASTM A789 UNS 32520 Seamless Pipe

  • Size: 4 - 219mm
  • Thickness : 0.5 - 20mm
  • Length: Single, Double Random & Cut Length

ASTM A789 UNS 32520 Welded Pipe

  • Size: 5.0 - 1219.2 mm
  • Thickness : 0.5 - 20mm
  • Length: Single, Double Random & Cut Length

A789 UNS 32520 Duplex Stainless Steel Seamless Pipe Specification

International Specification ASTM A789 UNS S32750
Standard Specification ASME, ASTM, AISI, AMS, JIS, EN, SAE, DIN, NF, TOCT, DS, DTD, GB
ASTM A789 UNS 32520 Seamless Pipe Size
  • OD: 4 to 219mm
  • Wall Thickness: 0.5 to 20mm
A789 UNS 32520 Duplex Stainless Steel Welded Pipe Size
  • OD: 5.0 - 1219.2 mm
ASME SA 789 UNS 32520 EFW Pipe Size
  • OD: 5.0 - 1219.2 mm
SA 789 UNS 32520 Duplex Stainless Steel Pipe WT SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Duplex ASTM A789 32520 Pipe manufacturing techniques Seamless / ERW / EFW/ Welded / Fabricated / CDW/ LSAW/ Seam-Welded / Redrawn
Origin of UNS S32520 Duplex Stainless Steel pipe material Indian, European, Korean, Japanese
Duplex Steel ASME SA 789 32520 Pipe End Types
  • BE : Beveled end
  • BBE : Bevel both ends
  • BLE : Bevel large end
  • BSE : Bevel small end
  • TOE / POE = Treaded One End / Plain One End
  • TOE / BOE = Treaded One End / Beveled One End
  • POE / BOE = Plain One End / Beveled One End
  • TBE = Treaded Both Ends
  • PBE = Plain Both Ends
Form Round, Square, Rectangular
UNS S32520 Stainless Steel Pipe Length Single Random, Double Random & Required Length End: Plain End, Beveled End, Treaded
SA 789 UNS 32520 Duplex Steel Pipe Delivery Condition Normal annealing+Tempered, Annealed and Pickled, Brighting annealing, BK, Pickled, Hot Finished, Polished, Cold Drawn
Alloy F255 UNS 32520 Pipe Packing
  • Ply Wooden Boxes
  • PE Fabric Bundles
  • Steel Strips Bundled
  • Standard seaworthy export packing
  • Plastic Bags, or as required
A789 UNS 32520 Duplex Steel Pipe Value Added Services Cut to size, thread, and groove
We Export to

For quick delivery of ASTM A789 UNS 32520 Duplex Stainless Steel Pipe, contact our sales representative in following locations:

  • USA
  • Germany
  • UAE
  • UK
  • Malaysia
  • Saudi Arabia
  • Singapore
  • Korea
  • Philippines
  • Indonesia
  • Qatar
  • Vietnam
  • Australia
  • Nigeria and many others
Port Mumbai, India
Stocking distributor of leading ASTM A789 UNS 32520 Duplex Stainless Steel Pipe manufacturers
  • Sanyo Special Steel, Japan make ASTM A789 UNS 32520 Pipe
  • Schoeller Bleckmann, Austria make A789 UNS 32520 Duplex Stainless Steel Seamless Pipe
  • Nippon Steel Corporation, Japan make ASME SA 789 UNS 32520 Pipe
  • Sumitomo Metals, Japan make UNS S32550 grade F61 Duplex Pipes
  • Seah Steel Corporation, Korea make SA 789 UNS 32520 Duplex Stainless Steel Seamless Pipe
  • Kobe Special Tube, Japan make Duplex ASTM A789 32520 Pipe
  • Tubacex Tubos Inoxidables S.A., Spain make UNS S32520 Duplex Stainless Steel Pipe
A789 UNS 32520 Duplex Steel Pipe Dimensional Specification ANSI/ ASME B36.10, B36.19, B2.1
Marking on SA 789 32520 Duplex Steel Pipe
  • Specification
  • Material Grade
  • Nominal Size
  • Schedule or Wall Thickness
  • Method of Manufacturing (Seamless or Welded)
  • Heat Number
  • Manufacturer’s Name or Custom Logo - on request
Marked Pipe Sample: ASTM A789 UNS 32520 12" NB SCH 40S SEAMLESS HEAT NO. XXXX

UNS Designation for ASTM A789 Duplex Stainless Steel Pipe

UNS Designation American (USA) Specification
UNS S31803 ASTM A789/ SA789
UNS S32205 ASTM A789/ SA789
UNS S31500 ASTM A789/ SA789
UNS S32550 ASTM A789/ SA789
UNS S32750 ASTM A789/ SA789
UNS S32950 ASTM A789/ SA789
UNS S32520 ASTM A789/ SA789

ASME SA 789 UNS 32520 Pipe Inspection & Test reports

  • Mill Test Certificates with all ASTM A789 UNS 32520 Duplex Stainless Steel Pipe
  • Flattening Test
  • Flaring Test
  • Blow Test
  • Bending Test
  • Impact Test
  • Hardness Test
  • Exterior Size Inspection
  • EN 10204/3.1B, EN 10204 3.1 and EN 10204 3.2 Material Test Certificates (MTC)
  • Chemical Component Analysis
  • Mechanical Properties including Ultimate Yield strength, tensile strength, Elongation
  • PMI Test Reports
  • Visual Inspection Reports
  • Third Party Inspection for ASTM A789 UNS 32520 Pipe
  • NABL Approved Lab Reports
  • Non Destructive Test Reports
  • Destructive Test Report
  • Heat Treatment Charts
  • Surface roughness measurement
  • 100% Radiography Test Report
  • Fumigation Certificates
  • Raw Materials Certificate
  • Moisture testing
  • Laboratory Test Certificate from Govt. Approved Lab
  • Form A for Generalized System of Preferences (GSP)
  • HS Code Commercial Invoice

UNS S32550 grade F61 Duplex Pipe Price List ex Mumbai

4 NB SCH 160 GRD 32520 SMLS SUPER DUPLEX PIPE INR 1200/ Kg

Contact us for free sample or send us an email to export@oshwin.com for urgent delivery.

Types of ASTM A789 UNS 32520 Duplex Stainless Steel Pipe

ASTM A789 UNS 32520 Welded Pipe

ASTM A789 UNS 32520 Welded Pipe

A789 UNS 32520 Duplex Stainless Steel Seamless Pipe

A789 UNS 32520 Duplex Stainless Steel Seamless Pipe

ASME SA 789 UNS 32520 Round Pipe

ASME SA 789 UNS 32520 Round Pipe

UNS S32550 grade F61 Duplex Rectangular Pipe

UNS S32550 grade F61 Duplex Rectangular Pipe

SA 789 UNS 32520 Duplex Stainless Steel Square Pipe

SA 789 UNS 32520 Duplex Stainless Steel Square Pipe

Duplex ASTM A789 32520 Schedule 5S Pipe

Duplex ASTM A789 32520 Schedule 5S Pipe

UNS S32520 Duplex Stainless Steel Schedule 40S Seamless Pipe

UNS S32520 Duplex Stainless Steel Schedule 40S Seamless Pipe

Duplex Steel ASME SA 789 32520 Polished Pipe

Duplex Steel ASME SA 789 32520 Polished Pipe

UNS S32520 Stainless Steel Exhaust Pipe

UNS S32520 Stainless Steel Exhaust Pipe

SA 789 UNS 32520 Duplex Steel Thin Wall Pipe

SA 789 UNS 32520 Duplex Steel Thin Wall Pipe

Alloy F255 UNS 32520 Custom Pipe

Alloy F255 UNS 32520 Custom Pipe

A789 UNS 32520 Duplex Steel Cold Drawn Seamless Pipe

A789 UNS 32520 Duplex Steel Cold Drawn Seamless Pipe

SA 789 32520 Duplex Steel Clad Pipe

SA 789 32520 Duplex Steel Clad Pipe

A789 32520 Duplex Steel ERW Pipe

A789 32520 Duplex Steel ERW Pipe

1.4507 UNS 32520 Duplex EFW Pipe

1.4507 UNS 32520 Duplex EFW Pipe

Duplex UNS S32520 EN 1.4507 SCH 40 Seamless Pipe

Duplex UNS S32520 EN 1.4507 SCH 40 Seamless Pipe

Complete range of SA 789 UNS 32520 Duplex Stainless Steel Pipe material

SA 789 UNS 32520 Duplex Stainless Steel Hollow Pipes A789 32520 Duplex Steel High pressure Pipes
UNS S32520 Duplex Stainless Steel Custom Pipes Duplex Steel ASME SA 789 32520 Beveled End Pipes
ASTM A789 UNS 32520 Hot Finished Pipe Schedule 40S A789 UNS 32520 Duplex Stainless Steel Pipe
SA 789 32520 Duplex Steel ERW Pipe A789 32520 Duplex Steel EFW Pipe
Cold Drawn ASME SA 789 UNS 32520 Pipe UNS S32550 grade F61 Duplex Seam Welded Pipe
Alloy F255 UNS 32520 Square Pipes SA 789 32520 Duplex Steel Schedule 5S Pipes
A789 UNS 32520 Duplex Steel Schedule 40 Pipes Welded SA 789 UNS 32520 Duplex Steel Cold Drawn Pipes
UNS S32520 Stainless Steel Round Pipes Duplex ASTM A789 32520 Fabricated Pipes
Duplex UNS S32520 EN 1.4507 Rectangle Pipes Cold Drawn UNS S32550 grade F61 Duplex Seamless Pipes
SA 789 32520 Duplex Steel Polished Pipes ASTM A789 UNS 32520 Exhaust Pipes
ASTM A789 UNS 32520 CDW Pipes A789 UNS 32520 Duplex Stainless Steel Rectangular Pipes
SA 789 UNS 32520 Duplex Stainless Steel Overlay Pipe Duplex ASTM A789 32520 Bush Hex Pipe
Thick Wall UNS S32520 Duplex Stainless Steel Pipe Thin Wall Duplex Steel ASME SA 789 32520 Pipe
UNS S32520 Stainless Steel Cold Drawn Seamless Pipe High Temperature SA 789 UNS 32520 Duplex Steel Pipe
A789 32520 Duplex Steel Capillary Pipes Small diameter A789 UNS 32520 Duplex Stainless Steel pipes
1.4507 UNS 32520 Duplex Clad Pipes ASME SA 789 UNS 32520 Annealed pipes
Seamless Alloy F255 UNS 32520 Pipe A789 UNS 32520 Duplex Steel Welded Pipe
ASME SA 789 UNS 32520 SMLS Pipes UNS S32550 grade F61 Duplex Hexagonal Pipes

Duplex ASTM A789 32520 Pipe Modulus Temperature Range

S32520 1975-2050 °F [1080-1120°C]

Duplex Steel ASME SA 789 32520 Pipe Welding material

Welding Process Duplex Products Description
SMAW - MMA Electrodes Super Duplex-2507 Postional 2507 Super duplex electrode
SMAW - MMA Electrodes 2205XKS 22%Cr Duplex basic electrode
GTAW - TIG ER329N-TIG 22%Cr Duplex TIG wire
GTAW - TIG ZERON-100X-TIG 25%Cr Super duplex Zeron 100 TIG Wire
SMAW - MMA Electrodes 2507-XKS 25%Cr Super duplex basic Electrode
SMAW - MMA Electrodes Duplex 2205-AR Duplex 22% Cr
SMAW - MMA Electrodes Duplex 2205 22%Cr Duplex rutile electrode
SMAW - MMA Electrodes Duplex 2506CU Electrode for matching duplex steel castings
SMAW - MMA Electrodes Duplex 2205 22%Cr Duplex all positional electrode

UNS S32520 Stainless Steel Pipe Schedule and Wall Thickness

Nominal O.D. Inches 10s 10 40s & Std 40 80s & E.H. 80 160
1/8 .405 .049 .049 .068 .068 .095 .095
1/4 .540 .065 .065 .088 .088 .119 .119
3/8 .675 .065 .065 .091 .091 .126 .126
1/2 .840 .083 .083 .109 .109 .147 .147 .187
3/4 1.050 .083 .083 .113 .113 .154 .154 .218
1 1.315 .109 .109 .133 .133 .179 .179 .250
1 1/4 1.660 .109 .109 .140 .140 .191 .191 .250
1 1/2 1.900 .109 .109 .145 .145 .200 .200 .281
2 2.375 .109 .109 .154 .154 .218 .218 .343
2 1/2 2.875 .120 .120 .203 .203 .276 .276 .375
3 3.500 .120 .120 .216 .216 .300 .300 .437
3 1/2 4.000 .120 .120 .226 .226 .318 .318
4 4.500 .120 .120 .237 .237 .337 .337 .531
4 1/2 5.000 .247 .355
5 5.563 .134 .134 .258 .258 .375 .375 .625
6 6.625 .134 .134 .280 .280 .432 .432 .718
7 7.625 .301 .500
8 8.625 .148 .148 .322 .322 .500 .500 .906
9 9.625 .342 .500
10 10.750 .165 .165 .365 .365 .500 .593 1.125
11 11.750 .375 .500
12 12.750 .180 .180 .375 .406 .500 .687 1.312
14 14.000 .188 .250 .375 .437 .500 .750 1.406
16 16.000 .188 .250 .375 .500 .500 .843 1.593
18 18.000 .188 .250 .375 .562 .500 .937 1.781

SA 789 UNS 32520 Duplex Steel Seamless Pipe Weight Chart

NPS Outside Diameter (OD) Wall Thickness (WT) Weight Weight
in mm in mm Sched kg/Mtr Lb/ft
1/2" 0.840 21 0.109 2.769 40 STD 1.268 0.851
0.147 3.734 80 STD 1.621 1.088
3/4" 1.050 27 0.113 2.870 40 STD 1.684 1.131
0.154 3.912 80 STD 2.195 1.474
1" 1.315 33 0.133 3.378 40 STD 2.501 1.679
0.179 4.547 80 STD 3.325 2.172
1 1/4" 1.660 42 0.140 3.556 40 STD 3.385 2.273
0.191 4.851 80 STD 4.464 2.997
1 1/2" 1.900 48 0.145 3.683 40 STD 4.048 2.718
0.200 5.080 80 STD 5.409 3.361
2" 2.375 60 0.154 3.912 40 STD 5.441 3.653
0.218 5.537 80 STD 7.480 5.022
2 1/2" 2.875 73 0.203 5.516 40 STD 8.629 5.793
0.276 7.010 80 STD 11.411 7.661
3" 3.500 89 0.216 5.486 40 STD 11.284 7.576
0.300 7.620 80 STD 15.272 10.253
4" 4.500 114 0.237 6.020 16.073 10.790
0.337 8.560 22.318 14.983
6" 6.625 168 0.188 4.775 19.252 12.924
0.203 5.516 20.739 13.923
0.219 5.563 22.318 14.983
0.250 6.350 25.354 17.021
0.280 7.112 40 STD 58.263 18.974
0.312 7.925 31.334 21.036
0.375 9.525 37.285 25.031
0.432 10.973 80 XHY 42.561 28.573
0.500 12.700 48.719 32.708
8" 8.625 219 0.188 4.775 25.233 16.940
0.203 5.156 27.198 18.259
0.219 5.563 29.286 19.661
0.250 6.350 20 33.308 22.361
0.277 7.036 30 36.786 24.696
0.322 8.179 40 42.352 28.554
0.375 9.525 49.216 33.041
0.406 10.312 60 53.085 35.638
0.500 12.700 80 XHY 64.627 43.388
10" 10.750 273 0.188 4.775 31.588 21.207
0.219 5.563 36.689 24.631
0.250 6.350 20 41.759 28.035
0.307 7.798 30 51.002 34.240
0.344 8.738 56.946 38.231
0.365 9.271 40 STD 63.301 40.483
0.438 11.125 71.852 48.238
0.500 12.700 60 XHY 81.530 54.735
0.594 15.088 80 95.969 64.429
12" 12.750 324 0.188 4.775 37.570 25.222
0.219 5.563 43.657 29.309
0.250 6.350 49.713 33.375
0.281 7.137 55.739 37.420
0.312 7.925 61.735 41.445
0.375 9.525 73.824 49.562
0.406 10.312 79.727 53.525
0.500 12.700 97.438 65.415
0.562 14.275 108.966 73.154
14" 14.000 356 0.188 4.775 41.308 27.732
0.219 5.563 48.012 32.233
0.250 6.350 20 54.685 36.713
0.281 7.137 61.327 41.172
0.312 7.925 67.939 45.611
0.375 9.525 STD 81.281 54.568
0.438 11.125 40 94.498 63.441
0.500 12.700 XHY 107.381 72.090
0.625 15.875 132.983 89.278
16” 16.000 406 0.188 4.775 47.290 21.748
0.219 5.563 54.980 36.910
0.250 6.350 10 62.639 42.053
0.281 7.137 70.268 47.174
0.312 7.925 20 77.866 52.275
0.344 8.738 85.677 57.519
0.375 9.525

30

STD

93.213 62.578
0.438 11.125 108.433 72.797
0.500 12.700

40

XHY

123.289 82.770
18" 18.000 457 0.219 5.563 61.948 41.588
0.250 6.350 70.593 47.393
0.281 7.137 79.208 53.176
0.312 7.925 20 87.792 58.939
0.375 9.525 STD 105.144 70.588
0.438 11.125 30 122.369 82.152
0.500 12.700 XHY 139.198 93.450
0.562 14.275 40 155.904 104.666
0.625 15.875 172.754 115.978
20" 20.000 508 0.250 6.350 78.547 52.733
0.282 7.163 88.458 59.386
0.312 7.925 97.719 65.604
0.375 9.525 20 STD 117.075 78.598
0.438 11.125 136.305 91.508
0.500 12.700 30 XHY 155.106 104.130
0.594 15.088 40 183.378 123.110
0.625 15.875 192.640 129.328
0.688 17.475 211.368 141.901
24" 24.000 610 0.250 6.350 94.456 63.413
0.281 7.137 106.029 71.183
0.312 7.925 117.573 18.932
0.375 9.525 20 STD 140.938 64.618
0.438 11.125 164.176 110.219
0.500 12.700 XHY 186.923 125.490
0.625 15.875 232.410 156.028
0.688 17.475 40 255.148 171.293
0.750 19.050 277.401 186.233
30" 30.000 762 0.250 6.350 118.318 79.433
0.281 7.137 132.851 89.189
0.312 7.925 10 147.353 98.925
0.375 9.525 STD 176.731 118.648
0.438 11.125 205.983 138.286
0.500 12.700 20 XHY 234.647 157.530
0.625 15.875 30 292.066 196.078
0.688 17.475 320.817 215.380
0.750 19.050 348.988 234.293
36" 36.000 914 0.250 6.350 142.180 95.453
0.281 7.137 159.672 107.196
0.312 7.925 10 177.133 118.918
0.375 9.525 STD 215.525 142.678
0.438 11.125 247.790 166.353
0.500 12.700 20 XHY 282.372 198.570
0.625 15.875 351.723 236.128

0.688

17.475 386.487 259.467

0.750

19.050 420.576 282.353
42" 42.000 1067 0.312 7.925 206.914 138.911
0.375 9.525 STD 248.319 166.708
0.500 12.700 XHY 33.097 221.610
0.750 19.050 492.163 330.413
48" 48.000 1219 0.375 9.525 STD 284.112 190.738
0.438 11.125 331.404 222.487
0.500 12.700 XHY 377.822 253.650
0.750 19.050 563.750 378.473
0.875 22.225 655.969 440.383

Alloy F255 UNS 32520 Pipe Pressure Rating

Calculated from n S value of 38 700 psi 266.8 MPa) as per ASTM A789 Pipe at -20 to 100° (-28 to 37° (ASME B31.3.)

  Wall Thickness
  0.035 0.049 0.065 0.083 0.095
O.D. (in.) Working Pressure, psig
1/4 10 000 15 000      
3/8 6 500 10 100 12 700    
1/2 5 000 7 200 10 100 12 900  
5/8   5 800 7 600 10 100  
3/4   4 700 6 300 8 500 10 000

Schedule 40 A789 UNS 32520 Duplex Steel Pipe thickness and dimensions

Nominal size [inches] Outside diameter (OD) [inches] Outside diameter (OD) [mm] Wall thickness [inches] Wall thickness [mm] Weight [lb/ft] Weight [kg/m]
1/8" NPS 6 0.41 10.3 0.068 1.73 0.24 0.37
1/4" NPS 8 0.54 13.7 0.088 2.24 0.42 0.63
3/8" NPS 10 0.68 17.1 0.091 2.31 0.57 0.84
1/2" NPS 15 0.84 21.3 0.109 2.77 0.85 1.27
3/4" NPS 20 1.05 26.7 0.113 2.87 1.13 1.69
1" NPS 25 1.32 33.4 0.133 3.38 1.68 2.5
1 1/4" NPS 32 1.66 42.2 0.14 3.56 2.27 3.39
1 1/2" NPS 40 1.9 48.3 0.145 3.68 2.72 4.05
2" NPS 50 2.375 60.3 0.154 3.91 3.65 5.44
2 1/2" NPS 65 2.875 73.0 0.203 5.16 5.79 8.63
3" NPS 80 3.5 88.9 0.216 5.49 7.58 11.29
3 1/2" NPS 90 4.0 101.6 0.226 5.74 9.11 13.57
4" NPS 100 4.5 114.3 0.237 6.02 10.79 16.07
5" NPS 125 5.563 141.3 0.258 6.55 14.62 21.77
6" NPS 150 6.625 168.3 0.28 7.11 18.97 28.26
8" NPS 200 8.625 219.1 0.322 8.18 28.55 42.55
10" NPS 250 10.75 273.0 0.365 9.27 40.48 60.31
12" NPS 300 12.75 323.8 0.406 10.31 53.52 79.73
14" NPS 350 14.0 355.6 0.437 11.13 54.57 94.55
16" NPS 400 16.0 406.4 0.5 12.7 82.77 123.3
18" NPS 450 18.0 457.0 0.562 14.27 104.67 155.8
20" NPS 500 20.0 508.0 0.594 15.09 123.11 183.42
24" NPS 600 24.0 610.0 0.688 17.48 171.29 255.41
32" NPS 800 32.0 813.0 0.688 17.48 230.08 342.91
  • ASME/ ANSI B36.10/ B36.19 - Imperial Units
  • 1 cm2 = 10-4 m2 = 0.155 in2
  • 1 kg = 2.2046 lb
  • 1 m = 3.28 ft

SA 789 32520 Duplex Steel Seamless Pipe Chemical Composition

UNS Designation Composition, %
C
Max
Mn
max
P
max
S
max
Si
max
Ni Cr Mo N Cu Others
S31803 0.03 2 0.03 0.02 1 4.5-6.5 21.0-23.0 2.5-3.5 0.08-0.20 . . . . . .
S32205 0.03 2 0.03 0.02 1 4.5-6.5 22-23 3.0-3.5 0.14-0.20 . . . . . .
S31500 0.03 1.20-2.00 0.03 0.03 1.40-2.0 4.3-5.2 18-19 2.5-3.0 0.05-0.10 . . . . . .
S32550 0.04 1.5 0.04 0.03 1 4.5-6.5 24-27 2.9-3.9 0.10-0.25 1.50-2.50 . . .
S31200 0.03 2 0.045 0.03 1 5.5-6.5 24-26 1.-2.0 0.14-0.20 . . . . . .
S31260 0.03 1 0.03 0.03 0.75 5.5-7.5 24-26 2.5-3.5 0.10-0.30 0.20-0.80 W 0.10-0.50
S32001 0.03 4.0-6.0 0.04 0.03 1 1.0-3.0 19.5-21.5 0.6 0.05-0.17 1.00 max . . .
S32304 0.03 2.5 0.04 0.04 1 3.0-5.5 21.5-24.5 0.05-0.60 0.05-0.20 0.05-0.60 . . .
S32750 0.03 1.2 0.035 0.02 0.8 6.0-8.0 24-26 3.0-5.0 0.24-0.32 0.50max . . .
S32760 0.05 1 0.03 0.01 1 6.0-8.0 24-26 3.0-4.0 0.20-0.30 0.50-1.00 W 0.50-1.00
S32950 0.03 2 0.035 0.01 0.6 3.5-5.2 26-29 1.0-2.5 0.15-0.35 . . . . . .
S32520 0.03 1.5 0.035 0.02 0.8 5.5-8.0 23-25 3.0-5.0 0.20-0.35 0.8 . . .

A789 32520 Duplex Steel Pipe Tensile Strength

Duplex Grade Tensile strength, min., ksi [MPa] Yield strength, min., ksi [MPa] Elongation in 2 in., or 50mm, min, % Hardness, Max Brinell
S31803 90 [620] 65 [450] 25 290
S32205 95 [655] 70 [485] 25 290
S31500 92 [630] 64 [440] 30 290
S32550 110 [760] 80 [550] 15 297
S31200 100 [690] 65 [450] 25 280
S31260 100 [690] 65 [450] 25 290
S32001 90 [620] 65 [450] 25 290
S32304 100 [690] 65 [450] 25 290
S32750 116 [800] 80 [550] 15 310
S32760 109 [750] 80 [550] 25 300
S32950 100 [690] 70 [480] 20 290
S32520 112 [770] 80 [550] 25 310

1.4507 UNS 32520 Duplex Pipe Heat Treatment

UNS Designation Temperature Range Quench
S31803 1870-2010 °F [1020-1100°C] Rapid cooling in air or water
S32205 1870-2010 °F [1020-1100°C]
S31500 1800-1900 °F [980-1040°C]
S32550 1900 °F [1040°C] min.
S31200 1920-2010 °F [1050-1100°C] Rapid cooling in water
S31260 1870-2010 °F [1020-1100°C] Rapid cooling in water
S32001 1800-1950 °F [982-1066°C] Rapid cooling in air or water
S32304 1700-1920 °F [925-1050°C]
S32750 1880-2060 °F [1025-1125°C]
S32760 2010-2085 °F [1100-1140°C]
S32950 1820-1880 °F [990-1025°C] Rapid cooling in water
S32520 1975-2050 °F [1080-1120°C] Rapid cooling in air or water