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Wenzhou Kaixin Metal Co., Ltd

Wenzhou Kaixin Metal Co., Ltd.

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DuplexstainlesssteelpipeSupplierAndStockistInChina

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  4. Duplex stainless steel pipe

Duplex stainless steel pipe

ame: Duplex Stainless Steel pipe

Размер: 4mm-325mm

Material: S31803/S32205/S32750/S32760,etc.

Тип：Welded, Seamless, ERW, EFW, Fabricated Pipe

Thickness range: SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXH, SCH XXS, SCH XS

Surface Treatment: Polishing, Hairline, Pickled, и т.н.

Finished condition: Round, Square, Rectangular, Coil，U Tube

Приложение: Petrochemical, Oil & Gas； Geothermal, Mining；Chemical Process, Pharmaceutical, Biomass；Sea Water, Water Desalination； LNG (Liquefied Natural Gas), Nuclear Power, Solar Power。

Номер на модела: Duplex stainless steel

лос: Уенжоу,Джъдзян

Стандартен:ASTM/ASME A789/SA789, A790/SA790

Brand: KAIXIN

Technics: CFD

Пакет: Packed in woven bag, or put in wooden case

Цена: 2500~3600 usd/ton

Доставка: Съгласно количество

Certificate: ISO SGS

Production ability: 1000 tons per month

Изпратете запитване Чат на живо
  • Подробности за продукта
  • Specification
  • Applications
  • Schedule Chart
  • Chemical Composition
  • Mechanical Properties
  • Измерение
  • Dimensional Tolerance
  • Weight Chart
  • Pressure Rating
  • Цена

Compared with ferritic stainless steel and austenitic stainless steel, duplex stainless steel pipe has good welding performance. It is neither like the welding heat affected zone of ferritic stainless steel, because of the grain coarsening, the plastic toughness is greatly reduced, nor like austenitic stainless steel, it is more sensitive to welding hot cracks.

 

Due to its special advantages, duplex stainless steel is widely used in petrochemical equipment, seawater and wastewater treatment equipment, oil and gas pipelines, paper-making machinery and other industrial fields. In recent years, it has also been used in the field of bridge bearing structure, with a good development prospect.

Specification of Duplex Stainless Steel pipe

Standard ASTM/ASME A789/SA789, A790/SA790
Grade UNS NO. S31803/S32205/S32750/S32760,etc.
Тип SEAMLESS / ERW / WELDED/ FABRICATED
Дължина Single Random, Cut Length
End Plain End, Bevelled End, Threaded

Applications of Duplex Stainless Steel pipe

  • Oil and gas equipment
  • Offshore technology
  • Seawater desalination plants
  • Chemical industry, especially when handling chlorides
  • Flue-gas cleaning
  • Pulp and paper industry
  • Cargo tanks and pipe systems in chemical tankers
  • Firewalls and blast walls on offshore platforms
  • Bridges
  • Storage tanks
  • Pressure vessels, reactor tanks, and heat exchangers
  • Rotors, impellers and shafts

Duplex Stainless Steel pipe Schedule Chart

1/8″ IPS(.405″ O.D.) 3 1/2″ IPS( 4.000″ O.D.)
Seamless Pipes, SCH 40, 80 Pipes, SCH 10, 40, 80, 160, XXH
1/4″ IPS(.540″ O.D.) 4″ IPS(4.500″ O.D.)
Pipes, SCH 10, 40, 80 Seamless Pipes, SCH 10, 40, 80, 160, XXH
3/8″ IPS(.675″ O.D.) 5″ IPS( 5.563″ O.D.)
Seamless Pipes, SCH 10, 40, 80 Pipes, SCH 10, 40, 80, 160, XXH
1/2″ IPS(.840″ O.D.) 6″ IPS(6.625″ O.D.)
Seamless Pipes, SCH 5, 10, 40, 80, 160, XXH Seamless Pipes, SCH 5, 10, 40, 80, 120, 160, XXH
3/4″ IPS(1.050″ O.D.) 8 ” IPS(8.625″ O.D.)
Pipes, SCH 10, 40, 80, 160, XXH Stainless Pipes, SCH 5, 10, 40, 80, 120, 160, XXH
1″ IPS:(1.315′ O.D.) 10″ IPS(10.750″ O.D.)
Seamless Pipes, SCH 5, 10, 40, 80, 160, XXH Pipes, SCH 10, 20, 40, 80 (.500), TRUE 80(.500)
1-1/4″ IPS(1.660″ O.D.) 12″ IPS(12.750″ O.D.)
Seamless Pipes, SCH 10, 40, 80, 160, XXH Pipes, SCH 10, 20, 40(.375), TRUE40(.406), SCH80(.500)
1-1/2″ IPS(1.900″ O.D.) 14″ IPS(14.000″ O.D.)
Seamless Pipes, SCH 10, 40, 80, 160, XXH Pipes, SCH10 (.188), SCH40 (.375)
2″ IPS(2.375″ O.D.) 16″ IPS(16.000″ O.D.)
Seamless Pipes, SCH 10, 40, 80, 160, XXH Pipes, SCH10(.188), SCH40(.375)
2 1/2″ IPS(2.875″ O.D.) 18″ IPS (18.000″ O.D.)
Seamless Pipes, SCH 10, 40, 80, 160, XXH Pipes, SCH-40 (.375)
3″ IPS( 3.500″ O.D.)
Seamless Pipes, SCH 5, 10, 40, 80, 160, XXH  

Дуплекс Stainless steel Pipe Chemical Composition

Grade C≤ Mn≤ П≤ С≤ Si≤ Ni Cr Mo N Cu
S31803 0.03 2.00 0.03 0.02 1.00 4.5-6.5 21.0-23.0 2.5-3.5 0.08-0.20 _
S32205 0.03 2.00 0.03 0.02 1.00 4.5-6.5 22.0-23.0 3.0-3.5 0.14-0.20 _
S32750 0.03 1.20 0.035 0.02 0.80 6.0-8.0 24.0-26.0 3.0-5.0 0.24-0.32 0.5
S32760 0.05 1.00 0.03 0.01 1.00 6.0-8.0 24.0-26.0 3.0-4.0 0.20-0.30 0.50-1.00
S31500 0.03 1.2-2.0 0.03 0.03 1.4-2.0 4.25-5.25 18.0-19.0 2.5-3.0 0.05-0.10

Дуплекс Stainless steel Pipe Mechanical Properties

Mechanical properties Tensile,min,ksi[MPa] Yield,min,ksi[MPa] Elongation,%(min) Hardness,HB(max)
S31803 90 [620] 65 [450] 25 290
S32205 95 [655] 65 [450] 25 290
S32750 116 [800] 80 [550] 15 300
S32760 109 [750] 80 [550] 25 300
S31500 90 [630] 60[440] 30 290

Dimension Table Of Duplex Stainless steel Pipe

Nominal Thickness
(in)
MM		 Pipe Size
(in)		 Transverse Areas
(in2)
MM2		 Diameter
(in)
MM		 Volume
(ft3/ft)		 Number of Threads per inch of Screw Weight Length of Pipe
(ft per sq.0 foot of surface)
Internal External Steel Internal External (kg/m) (lb/ft) Internal Surface
(ft)		 External Surface
(ft)
0.007 1/8 0.006 0.013 0.007 0.027 0.0405 0.00004 27 0.036 0.024 14.020 9.043
0.009 ¼ 0.010 0.023 0.013 0.036 0.0540 0.00007 18 0.063 0.042 10.049 7.007
0.009 3/8 0.019 0.036 0.017 0.049 0.0675 0.00013 18 0.084 0.057 7.075 5.066
0.011 ½ 0.030 0.055 0.025 0.062 0.0840 0.00021 14 1.026 0.085 6.014 4.055
0.011 ¾ 0.053 0.087 0.033 0.082 1.0050 0.00037 14 1.068 1.013 4.064 3.064
0.013 1 0.086 1.036 0.049 1.005 1.0315 0.00060 11 ½ 2.050 1.068 3.064 2.090
0.014 1 ¼ 1.050 2.016 0.067 1.038 1.0660 0.00104 11 ½ 3.038 2.027 2.077 2.030
0.015 1 ½ 2.004 2.084 0.080 1.061 1.0900 0.00141 11 ½ 4.004 2.072 2.037 2.001
0.015 2 3.036 4.043 1.008 2.007 2.0375 0.00233 11 ½ 5.043 3.065 1.085 1.061
0.020 2 ½ 4.079 6.049 1.070 2.047 2.0875 0.00333 8 8.062 5.079 1.055 1.033
0.022 3 7.039 9.062 2.023 3.007 3.0500 0.00513 8 11.027 7.058 1.025 1.009
0.023 3 ½ 9.089 12.056 2.068 3.055 4.0000 0.00687 8 13.056 9.011 1.008 0.095
0.024 4 12.073 15.090 3.017 4.003 4.0500 0.00884 8 16.006 10.079 0.095 0.085
0.026 5 20.000 24.030 4.030 5.005 5.0563 0.01389 8 21.074 14.061 0.076 0.069
0.028 6 28.089 34.047 5.058 6.007 6.0625 0.02006 8 28.023 18.097 0.063 0.058
0.032 8 50.002 58.042 8.040 7.098 8.0625 0.03552 8 42.049 28.055 0.048 0.044
0.037 10 78.085 90.076 11.090 10.002 10.0750 0.05476 8 60.024 40.048 0.038 0.036
0.041 12 111.090 127.064 15.074 11.094 12.0750 0.07763 8 79.077 53.060 0.032 0.030
0.044 14 135.030 153.094 18.064 13.013 14.0000 0.09354 8 93.075 63.000 0.028 0.027
0.050 16 176.070 201.005 24.035 15.000 16.0000 1.02230 8 116.008 78.000 0.025 0.024
0.056 18 224.000 254.085 30.085 16.088 18.0000 1.05550 8 156.026 105.000 0.023 0.021
0.059 20 278.000 314.015 36.015 18.081 20.0000 1.09260 8 183.005 123.000 0.020 0.019
0.069 24 402.010 452.040 50.030 22.063 24.0000 2.07930 8 254.048 171.000 0.017 0.016

Dimensional Tolerance of Дуплекс Stainless steel Pipe

Nominal pipe size
up to 4 = ± 0.79 мм | 5 thru 8 = + 1.58 мм / – 0.79 мм
10 thru 18 = + 2.37 мм / – 0.79 мм | 20 thru 24 = + 3.18 мм / – 0.79 мм
Дебелина на стената
All Diameters = – 12.5%
+ tolerance not specified		 Дължина
+ 6.40 мм / – 0 мм		 Weight
Weight = + 10% / – 1.5%

Дуплекс Stainless steel Pipe Weight Chart

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

Pressure Rating of 2205 duplex stainless pipe

duplex 2205 pipe 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

Duplex Steel Pipe Price List-2023

Pipe OD
мм		 Pipe WT
мм		 in. Sch Price/Kg
13.72 1.65 44565 10С 390
13.72 2.24 44565 40С 392
13.72 3.02 44565 80С 394
17.15 1.65 44628 10С 396
17.15 2.31 44628 40С 398
17.15 3.2 44628 80С 400
21.34 2.11 44563 10С 402
21.34 2.77 44563 40С 404
21.34 3.73 44563 80С 406
26.67 2.11 44624 10С 408
26.67 2.87 44624 40С 410
26.67 3.91 44624 80С 412
33.4 2.77 1 10С 414
33.4 3.38 1 40С 416
33.4 4.55 1 80С 418
33.4 6.352) 1 160 420
42.16 2.77 1¼ 10С 422
42.16 3.56 1¼ 40С 424
42.16 4.85 1¼ 80С 426
42.16 6.352) 1¼ 160 428
48.26 2.77 1½ 10С 430
48.26 3.68 1½ 40С 432
48.26 5.08 1½ 80С 434
60.33 2.77 2 10С 436
60.33 3.91 2 40С 438
60.33 5.54 2 80С 440
60.33 8.742) 2 160 442
73.03 3.05 2½ 10С 444
73.03 5.16 2½ 40С 446
73.03 7.01 2½ 80С 448
88.9 3.05 3 10С 450
88.9 5.49 3 40С 452
88.9 7.62 3 80С 454
88.9 11.132) 3 160 456
101.6 3.05 3½ 10С 458
101.6 5.74 3½ 40С 460
101.6 8.08 3½ 80С 462
114.3 3.05 4 10С 464
114.3 6.02 4 40С 466
114.3 8.56 4 80С 468
114.3 13.492) 4 160 470
141.3 6.55 5 40С 472
141.3 9.53 5 80С 474
141.3 15.882) 5 160 476
168.28 3.4 6 10С 478
168.28 7.11 6 40С 480
168.28 10.97 6 80С 482
168.28 14.27 6 120 484
168.28 18.262) 6 160 486
219.08 8.18 8 40С 488
219.08 12.7 8 80С 490
219.08 18.23 8 120 492
219.08 23.012) 8 160 494
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