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Wenzhou Kaixin Metal Co.,Ltd

 

Duplex stainless steel pipe Supplier And Stockist In China

Duplex tub çeliku inox/

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  3. Duplex tub çeliku inox
  4. Tub inox dupleks
Duplex stainless steel pipe

Tub inox dupleks

ame: Duplex Stainless Steel pipe

Madhësia: 4mm-325mm

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

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

Intervali i trashësisë: SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXH, SCH XXS, SCH XS

Trajtimi i sipërfaqes: Polishing, Hairline, Pickled, etc.

Gjendja përfundimtare: Round, Square, Rectangular, Coil，U Tube

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

Numri i modelit:     Duplex stainless steel

Origjinal: Wenzhou, Zhejiang

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

Markë:      KAIXIN

Technics:        CFD

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

Çmimi:              2500~3600 usd/ton

Dorëzim: Marrëveshje sasie

Certifikatë: ISO SGS

Aftësia e prodhimit: 1000 tons per month

Dërgo kërkesë Bisedë e drejtpërdrejtë
  • Detajet e produktit
  • Specifikimi
  • Aplikimet
  • Schedule Chart
  • Chemical Composition
  • Pronat mekanike
  • Dimension
  • Dimensional Tolerance
  • Weight Chart
  • Pressure Rating
  • Price

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, çelik inox dupleks 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
Klasë UNS NO. S31803/S32205/S32750/S32760,etc.
Lloji SEAMLESS / ERW / WELDED/ FABRICATED
Length 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  

Duplex Stainless steel Pipe Chemical Composition

Klasë C≤ Mn≤ P≤ S≤ Si≤ Ni Kr Më 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

Duplex Stainless steel Pipe Pronat mekanike

Pronat mekanike 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		 Madhësia e tubit
(in)		 Transverse Areas
(in2)
MM2		 Diameter
(in)
MM		 Volume
(ft3/ft)		 Number of Threads per inch of Screw Pesha 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 Duplex Stainless steel Pipe

Nominal pipe size
up to 4 = ± 0.79 mm | 5 thru 8 = + 1.58 mm / - 0.79 mm
10 thru 18 = + 2.37 mm / - 0.79 mm | 20 thru 24 = + 3.18 mm / - 0.79 mm
Wall Thickness
All Diameters = - 12.5%
+ tolerance not specified		 Length
+ 6.40 mm / - 0 mm		 Pesha
Weight = + 10% / - 1.5%

Duplex Stainless steel Pipe Weight Chart

oUTSIDE DIA
MM		 WALL THK
MM		 IN. SCHEDULE KG/M
13.72 1.65 1/4 10S 0.50
13.72 2.24 1/4 dyzet 0.64
13.72 3.02 1/4 tetëdhjetë 0.81
17.15 1.65 3/8 10S 0.64
17.15 2.31 3/8 dyzet 0.86
17.15 3.20 3/8 tetëdhjetë 1.12
21.34 2.11 1/2 10S 1.02
21.34 2.77 1/2 dyzet 1.29
21.34 3.73 1/2 tetëdhjetë 1.65
26.67 2.11 3/4 10S 1.30
26.67 2.87 3/4 dyzet 1.71
26.67 3.91 3/4 tetëdhjetë 2.23
33.40 2.77 1 10S 2.13
33.40 3.38 1 dyzet 2.54
33.40 4.55 1 tetëdhjetë 3.29
33.40 6.352) 1 160 4.30
42.16 2.77 1¼ 10S 2.73
42.16 3.56 1¼ dyzet 3.44
42.16 4.85 1¼ tetëdhjetë 4.53
42.16 6.352) 1¼ 160 5.69
48.26 2.77 1½ 10S 3.16
48.26 3.68 1½ dyzet 4.11
48.26 5.08 1½ tetëdhjetë 5.49
60.33 2.77 2 10S 3.99
60.33 3.91 2 dyzet 5.52
60.33 5.54 2 tetëdhjetë 7.60
60.33 8.742) 2 160 11.29
73.03 3.05 2½ 10S 5.35
73.03 5.16 2½ dyzet 8.77
73.03 7.01 2½ tetëdhjetë 11.59
88.90 3.05 3 10S 6.56
88.90 5.49 3 dyzet 11.47
88.90 7.62 3 tetëdhjetë 15.51
88.90 11.132) 3 160 21.67
101.60 3.05 3½ 10S 7.53
101.60 5.74 3½ dyzet 13.78
101.60 8.08 3½ tetëdhjetë 18.92
114.30 3.05 4 10S 8.50
114.30 6.02 4 dyzet 16.32
114.30 8.56 4 tetëdhjetë 22.67
114.30 13.492) 4 160 34.05
141.30 6.55 5 dyzet 22.10
141.30 9.53 5 tetëdhjetë 31.44
141.30 15.882) 5 160 49.87
168.28 3.4 6 10S 14.04
168.28 7.11 6 dyzet 28.69
168.28 10.97 6 tetëdhjetë 43.21
168.28 14.27 6 120 54.75
168.28 18.262) 6 160 68.59
219.08 8.18 8 dyzet 43.20
219.08 12.7 8 tetëdhjetë 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
milimetra		 Pipe WT
milimetra		 in. Sch Price/Kg
13.72 1.65 44565 10S 390
13.72 2.24 44565 dyzet 392
13.72 3.02 44565 tetëdhjetë 394
17.15 1.65 44628 10S 396
17.15 2.31 44628 dyzet 398
17.15 3.2 44628 tetëdhjetë 400
21.34 2.11 44563 10S 402
21.34 2.77 44563 dyzet 404
21.34 3.73 44563 tetëdhjetë 406
26.67 2.11 44624 10S 408
26.67 2.87 44624 dyzet 410
26.67 3.91 44624 tetëdhjetë 412
33.4 2.77 1 10S 414
33.4 3.38 1 dyzet 416
33.4 4.55 1 tetëdhjetë 418
33.4 6.352) 1 160 420
42.16 2.77 1¼ 10S 422
42.16 3.56 1¼ dyzet 424
42.16 4.85 1¼ tetëdhjetë 426
42.16 6.352) 1¼ 160 428
48.26 2.77 1½ 10S 430
48.26 3.68 1½ dyzet 432
48.26 5.08 1½ tetëdhjetë 434
60.33 2.77 2 10S 436
60.33 3.91 2 dyzet 438
60.33 5.54 2 tetëdhjetë 440
60.33 8.742) 2 160 442
73.03 3.05 2½ 10S 444
73.03 5.16 2½ dyzet 446
73.03 7.01 2½ tetëdhjetë 448
88.9 3.05 3 10S 450
88.9 5.49 3 dyzet 452
88.9 7.62 3 tetëdhjetë 454
88.9 11.132) 3 160 456
101.6 3.05 3½ 10S 458
101.6 5.74 3½ dyzet 460
101.6 8.08 3½ tetëdhjetë 462
114.3 3.05 4 10S 464
114.3 6.02 4 dyzet 466
114.3 8.56 4 tetëdhjetë 468
114.3 13.492) 4 160 470
141.3 6.55 5 dyzet 472
141.3 9.53 5 tetëdhjetë 474
141.3 15.882) 5 160 476
168.28 3.4 6 10S 478
168.28 7.11 6 dyzet 480
168.28 10.97 6 tetëdhjetë 482
168.28 14.27 6 120 484
168.28 18.262) 6 160 486
219.08 8.18 8 dyzet 488
219.08 12.7 8 tetëdhjetë 490
219.08 18.23 8 120 492
219.08 23.012) 8 160 494
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