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Duplex Steel UNS S31803 ERW Hydraulic Pipe, UNS S32205 ERW Triangle Pipe, ASTM A790 Duplex Steel 2205 ERW Triangle Pipe, Werkstoff Nr. 1.4462 ERW Rectangular Pipe, Werkstoff Nr. 1.4462 ERW Hexagonal Pipe, Saf 2205 ERW Triangle Pipe.


Silicon Steels is a renowned supplier of the Duplex UNS S31803 ERW Pipes as well as a manufacturer. ASTM A790 Duplex 2205 Pipe, aerated ferrite steel, can be used in corrosive conditions and can withstand localized corrosion such as stress corrosion cracking and tearing. Due to its chemical composition and characteristics, this stainless steel can withstand the high stress, but if you use the regular stainless steel instead, it will fail. For water treatment modules, upstream manufacture of high chloride gas, oil, paper and pulp processing, etc.

Duplex 2205 EFW Pipe consists of a steady ferrite step surrounded by austenite plates. Our Duplex 2205 EFW tubes are about twice as strong as regular austenitic stainless steel grades. These Duplex S31803 ERW tubes are the most commonly used duplex grades and due to defects, should not be used in temperatures above 300 degrees C. Thanks to our policy of maintaining a high level of stock over a variety of sizes, we can typically ship our Duplex 2205 ERW Pipes to global destinations by sea or air frequency with immediate delivery. The Duplex 2205 ERW Tubes are often exposed for a longer period of time to embroideries in the 370 degree C and 540 Degree C scales. The Duplex 2205 Pipes are a 50/50 austenite and ferrite stainless steel with an output power twice the value of traditional Austin stainless steel. Also Super Duplex S32750 ERW pipes have high corrosion resistance in contrast to massive quantities of chromium using other steels.


Manuctacturing ERW Pipe
ERW Pipe Process
duplex steel 2205 erw pipe supplier stockist

ASTM A790 Duplex Steel 2205 ERW Round Pipe exporter, Duplex Steel 2205 ERW Triangle Pipe stockiest, ASTM A790 Duplex Steel UNS S31803 ERW Triangle Pipe distributor, Saf UNS S31803 ERW Hydraulic Pipe manufacturer.

Our Duplex Steel 2205 ERW Pipes feature outstanding pitting and crevice corrosion resistance in addition to their high strength and toughness. Pipes with this kind of anti-corrosion protection are used in the production of biofuels, pressured tanks, and cleaning equipment. The cold work of our ASTM A789 Duplex Steel UNS S32205 Pipe makes our seamless tubes very weldable and robust, although they are a little challenging to manufacture because of their seamless construction.

Specification :

Specifications ASTM A790 / ASME SA790
Sizes 8" NB to 24" NB
Wall Thickness 0.5 to 150mm Thick
Schedule SCH 5S, 10S,10, 20, 40S, 40, STD, 60, 80S, 80, XS, 100, 120, 140, 160 & XXS
Length Single Random, Double Random & Required Length
Form Round, Square, Rectangular, Hydraulic Pipes
Type Electric Resistance Welded
End Plain end, Bevelled end
Length Single Random, Double Random & Cut Length

Types of Duplex Steel 2205 ERW Pipes :


steel ERW pipe
  • ASTM A790 Duplex 2205 Sch 40 ERW Pipe
  • Saf 2205 Sch 160 ERW Pipe
  • Werkstoff Nr. 1.4462 2B Finish ERW Pipe
  • ASTM A790 UNS S31803 Galvanized ERW Pipe
  • ASTM A790 UNS S32205 Ba Finish ERW Pipe
  • 2205 Duplex Steel Electropolished ERW Pipe
  • DIN 1.4462 No.4 ERW Pipe
  • steel ERW tube
  • ASTM A790 Duplex 2205 Sch 40 Tube
  • Saf 2205 Sch 160 Tube
  • Werkstoff Nr. 1.4462 2B Finish Tube
  • ASTM A790 UNS S31803 Galvanized Tube
  • ASTM A790 UNS S32205 Ba Finish Tube
  • 2205 Duplex Steel Electropolished Tube
  • DIN 1.4462 No.4 Tube
  • steel ERW round pipe
  • ASTM A790 Duplex 2205 Sch 40 Round Pipe
  • Saf 2205 Sch 160 Round Pipe
  • Werkstoff Nr. 1.4462 2B Finish Round Pipe
  • ASTM A790 UNS S31803 Galvanized Round Pipe
  • ASTM A790 UNS S32205 Ba Finish Round Pipe
  • 2205 Duplex Steel Electropolished Round Pipe
  • DIN 1.4462 No.4 Round Pipe
  • steel ERW square pipes
  • ASTM A790 Duplex 2205 Sch 40 Square Pipe
  • Saf 2205 Sch 160 Square Pipe
  • Werkstoff Nr. 1.4462 2B Finish Square Pipe
  • ASTM A790 UNS S31803 Galvanized Square Pipe
  • ASTM A790 UNS S32205 Ba Finish Square Pipe
  • 2205 Duplex Steel Electropolished Square Pipe
  • DIN 1.4462 No.4 Square Pipe
  • steel ERW rectangle pipes
  • ASTM A790 Duplex 2205 Sch 40 Rectangle Pipe
  • Saf 2205 Sch 160 Rectangle Pipe
  • Werkstoff Nr. 1.4462 2B Finish Rectangle Pipe
  • ASTM A790 UNS S31803 Galvanized Rectangle Pipe
  • ASTM A790 UNS S32205 Ba Finish Rectangle Pipe
  • 2205 Duplex Steel Electropolished Rectangle Pipe
  • DIN 1.4462 No.4 Rectangle Pipe
  • steel ERW ibr pipes
  • ASTM A790 Duplex 2205 Sch 40 IBR Pipe
  • Saf 2205 Sch 160 IBR Pipe
  • Werkstoff Nr. 1.4462 2B Finish IBR Pipe
  • ASTM A790 UNS S31803 Galvanized IBR Pipe
  • ASTM A790 UNS S32205 Ba Finish IBR Pipe
  • 2205 Duplex Steel Electropolished IBR Pipe
  • DIN 1.4462 No.4 IBR Pipe
  • steel erw fabricated pipes
  • ASTM A790 Duplex 2205 Sch 40 Fabricated Pipe
  • Saf 2205 Sch 160 Fabricated Pipe
  • Werkstoff Nr. 1.4462 2B Finish Fabricated Pipe
  • ASTM A790 UNS S31803 Galvanized Fabricated Pipe
  • ASTM A790 UNS S32205 Ba Finish Fabricated Pipe
  • 2205 Duplex Steel Electropolished Fabricated Pipe
  • DIN 1.4462 No.4 Fabricated Pipe
  • steel erw Odd Size Pipe
  • ASTM A790 Duplex 2205 Sch 40 Odd Size Pipe
  • Saf 2205 Sch 160 Odd Size Pipe
  • Werkstoff Nr. 1.4462 2B Finish Odd Size Pipe
  • ASTM A790 UNS S31803 Galvanized Odd Size Pipe
  • ASTM A790 UNS S32205 Ba Finish Odd Size Pipe
  • 2205 Duplex Steel Electropolished Odd Size Pipe
  • DIN 1.4462 No.4 Odd Size Pipe
  • steel erw cold drawn Pipe
  • ASTM A790 Duplex 2205 Sch 40 Cold Drawn ERW Tubes
  • Saf 2205 Sch 160 Cold Drawn ERW Tubes
  • Werkstoff Nr. 1.4462 2B Finish Cold Drawn ERW Tubes
  • ASTM A790 UNS S31803 Galvanized Cold Drawn ERW Tubes
  • ASTM A790 UNS S32205 Ba Finish Cold Drawn ERW Tubes
  • 2205 Duplex Steel Electropolished Cold Drawn ERW Tubes
  • DIN 1.4462 No.4 Cold Drawn ERW Tubes

  • Equivalent Grade :

    STANDARD UNS WERKSTOFF NR.
    Duplex 2205/ S31803 S31803 1.4462

    Chemical Composition :

    Grade C Mn Si P S Cr Mo Ni N Fe
    Duplex Steel S31803 0.030 max 2.00 max 1.00 max 0.030 max 0.020 max 22 – 23 3 – 3.5 4.50 – 6.50 0.14 – 0.20 63.72 min
    Duplex Steel S32205 0.030 max 2.00 max 1.00 max 0.030 max 0.020 max 21 – 23 2.50 - 3.50 4.50 – 6.50 0.8 – 0.20 63.54 min

    Dimensions of Duplex Steel 2205 ERW Pipes

    Duplex Steel 2205 ERW Pipes Weight Chart


    erw pipe dimensions
    NPS Outside Diameter Wall Thickness   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

    Imperial Dimensions of Duplex Steel 2205 ERW Pipes Sizes

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

    Alloy Duplex Steel 2205 ERW Pipes Pressure Rating

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

    Welded Pipe Wall Thickness

    Types Out diameter Wall thickness Length
    NB Sizes (in stock) 1/8” ~ 8” SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160 Upto 6 Meters
    Duplex 2205 ERW Pipe (Custom Sizes) 5.0mm ~ 203.2mm As per requirement Upto 6 Meters
    Duplex 2205 Welded Pipe (in Stock + Custom Sizes) 5.0mm ~ 1219.2mm 1.0 ~ 15.0 mm Upto 6 Meters

    Prices of Duplex Steel 31803/ 2205 ERW Pipes:

    Duplex Steel 2205 ERW Pipess
    Duplex Steel 2205 ERW Pipess
    6" to 10" Sch 10 , Sch 20
    USD 6.23 Per Kg
    UNS S31803 Welded Pipe
    UNS S31803 Welded Pipe
    6" to 10" Sch 40 , Sch 80
    USD 6.18 Per Kg
    ASME SA790 ERW Pipe
    ASME SA790 ERW Pipe
    12" to 20" Sch 10 , Sch 20
    USD 6.83 Per Kg
    Werkstoff Nr. 1.4462 Hollow Pipe
    Werkstoff Nr. 1.4462 Hollow Pipe
    12" to 20" Sch 40 , Sch 60/80
    USD 6.50 Per Kg

    Duplex Steel 2205 ERW Round Pipe
    Duplex Steel 2205 ERW Round Pipe
    Sml 1" to 4" Sch 10
    USD 6.91 Per Kg
    ASTM A790 Duplex Steel ERW Square Pipe
    ASTM A790 Duplex Steel ERW Square Pipe
    Sml 1" to 4" Sch 40
    USD 8.49 Per Kg
    Werkstoff Nr. 1.4462 Rectangular Pipe
    Werkstoff Nr. 1.4462 Rectangular Pipe
    Sml 1" to 4" Sch 80
    USD 7.25 Per Kg
    Saf 2205 ERW Custom Pipe
    Saf 2205 ERW Custom Pipe
    Sml 1" to 4" Sch 160
    USD 7.47 Per Kg

    ASME SA790 ERW Pipe
    ASME SA790 ERW Pipe
    Sml 6" to 10" Sch 10
    USD 10.92 Per Kg
    Saf 2205 ERW Thick Wall Pipe
    Saf 2205 ERW Thick Wall Pipe
    Sml 6" to 10" Sch 40
    USD 12.66 Per Kg
    UNS S31803 ERW Pipes
    UNS S31803 ERW Pipes
    SCH 5, 10, 40, 80, 160, XXH
    USD 13.60 Per Kg
    Saf 2205 ERW Pipes
    Saf 2205 ERW Pipes
    SCH10 (.188), SCH40 (.375)
    USD 11.99 Per Kg

    Werkstoff Nr. 1.4462 Erw Pipes
    Werkstoff Nr. 1.4462 Erw Pipes
    SCH-40 (.375)
    USD 15.66 Per Kg
    UNS S32205 Erw Pipe
    UNS S32205 Erw Pipe
    3 1/2" IPS( 4.000"O. D.)
    USD 13.36 Per Kg
    Duplex Steel 2205 ERW Exhaust Pipe
    Duplex Steel 2205 ERW Exhaust Pipe
    8 ” IPS(8.625"O. D.)
    USD 14.60 Per Kg
    ASTM A790 ERW Pipes
    ASTM A790 ERW Pipes
    18" IPS (18.000"O. D.)
    USD 15.06 Per Kg



    Applications :

    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.

    application of silicon steel

    Packaging Used By Us :

    packaging and uses of silicon steel

    We ship our stainless steel metal products in industry leading packaging designed to ensure your order reaches its destination safely. We offer multiple packaging options to meet your specific requirements. Packing is quite important especially in a case of international shipments in which consignment pass through various channels to reach the ultimate destination, so we put special concern regarding packaging. We pack our goods in numerous ways based on the products. We pack our products in multiple ways.


    Testing Used By Us :

    To specify the various physical and mechanical properties of the finished product, various tests, both destructive and nondestructive, are performed. Metallurgical, hardness, hardenability, tension, ductility, compression, fatigue, impact, wear, corrosion, creep, machinability, radiography, magnetic particle, ultrasonic, and eddy current are some of the major tests that are performed by quality control personnel. Metallurgical testing is used to determine the quality of steel by analyzing the microstructure of a sample under a microscope. A cross section of a sample is first highly polished and then examined at a magnification from 100-500 diameters. The microstructure of steel consists of grains of different compositions and sizes.

    Testing Used By Silicon steel