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Duplex tube

Duplex 2205 heat exchanger tubes manufacturer in India

Duplex tube

Manufacturer of 2205 tubing for boilers in all standard sizes and wall thickness, view online price list of duplex steel tube

Duplex seamless tube

Duplex seamless tube

Duplex tube

Duplex boiler tube

Duplex welded tube

Duplex welded tube

Supplier of Duplex 2205 tube as per ASTM A789 standard, view dimensions and pressure rating

Specifications of Duplex stainless steel tube

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Duplex tube specification
Exporter of 2205 duplex stainless steel tubing in India, buy high quality material at reasonable price

Duplex tube types

2205 tubing

2205 annealed tubes

Duplex boiler tube

Duplex boiler tube

2205 stainless steel tubing

2205 stainless steel welded tube

Duplex steel tube

Duplex mechanical tubing

Duplex heat exchanger tube

Duplex heat exchanger tube

Duplex seamless tube

Duplex seamless tube

2205 Stainless steel tubing supplier in Asia, check duplex seamless tube fractional sizes and stock

Mechanical properties of Duplex 2205 tubes

Mechanical properties Yield,min,ksi[MPa] Tensile,min,ksi[MPa] Hardness,HB(max) Elongation,%(min)
S31803 65 [450] 90 [620] 290 25
S32205 65 [450] 95 [655] 290 25

Chemical composition of 2205 tubing

Grade C≤ P≤ Cr S≤ Mn≤ Si≤ Ni N Mo Cu
S31803 0.03 0.03 21.0–23.0 0.02 2.00 1.00 4.5–6.5 0.08–0.20 2.5–3.5 -
S32205 0.03 0.03 22.0–23.0 0.02 2.00 1.00 4.5–6.5 0.14–0.20 3.0–3.5 -

2205 duplex stainless steel tubing physical properties

Thermal Conductivity @ 20C W/m/°K 15
Specific Heat (0-100°C) J/kg/°K 500
Thermal Expansion μm/m/°C 13
Electrical Resistivity Ohm-cm 8.5
Modulus Elasticity GPa 200
Density g/cm3 7.8

2205 stainless steel tubing roughness

Outside surface roughnes Inside surface roughness
RA 20 defect level max. 50 μm RA 20 defect level max. 20 μm

Duplex heat exchanger tubes equivalent

Grade Old British UNS No Euronorm Japanese JIS Swedish SS
BS En No Name
2205 318S13 S31803 / S32205 1.4462 X2CrNiMoN22-5-3 SUS 329J3L 2377

Size chart of Duplex steel tubes

WT mm inch Sch Kg/m OD mm
1.065 1/4 10S 0.050 13.072
2.024 1/4 40S 0.064 13.072
3.002 1/4 80S 0.081 13.072
1.065 3/8 10S 0.064 17.015
2.031 3/8 40S 0.086 17.015
3.020 3/8 80S 1.012 17.015
2.011 1/2 10S 1.002 21.034
2.077 1/2 40S 1.029 21.034
3.073 1/2 80S 1.065 21.034
2.011 3/4 10S 1.030 26.067
2.087 3/4 40S 1.071 26.067
3.091 3/4 80S 2.023 26.067
2.077 1 10S 2.013 33.040
3.038 1 40S 2.054 33.040
4.055 1 80S 3.029 33.040
6.0352) 1 160 4.030 33.040
2.077 10S 2.073 42.016
3.056 40S 3.044 42.016
4.085 80S 4.053 42.016
6.0352) 160 5.069 42.016
2.077 10S 3.016 48.026
3.068 40S 4.011 48.026
5.008 80S 5.049 48.026
2.077 2 10S 3.099 60.033
3.091 2 40S 5.052 60.033
5.054 2 80S 7.060 60.033
8.0742) 2 160 11.029 60.033
3.005 10S 5.035 73.003
5.016 40S 8.077 73.003
7.001 80S 11.059 73.003
3.005 3 10S 6.056 88.090
5.049 3 40S 11.047 88.090
7.062 3 80S 15.051 88.090
11.0132) 3 160 21.067 88.090
3.005 10S 7.053 101.060
5.074 40S 13.078 101.060
8.008 80S 18.092 101.060
3.005 4 10S 8.050 114.030
6.002 4 40S 16.032 114.030
8.056 4 80S 22.067 114.030
13.0492) 4 160 34.005 114.030
6.055 5 40S 22.010 141.030
9.053 5 80S 31.044 141.030
15.0882) 5 160 49.087 141.030
3.04 6 10S 14.004 168.028
7.011 6 40S 28.069 168.028
10.097 6 80S 43.021 168.028
14.027 6 120 54.075 168.028
18.0262) 6 160 68.059 168.028
8.018 8 40S 43.020 219.008
12.07 8 80S 65.063 219.008
18.023 8 120 91.030 219.008
23.0012) 8 160 112.097 219.008

Duplex seamless tube pressure rating

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

Tolerance of duplex boiler tubes

NPS Designator Permissible Variations in Outside Diameter
Over In. Under In.
Over 1-1/2 to 4, incl 1/32 (0.031) 1/32 (0.031)
1/8 to 1-1/2, incl 1/64 (0.015) 1/32 (0.031)
Over 8 to 18, incl 3/23 (0.093) 1/32 (0.031)
Over 4 to 8, incl 1/16 (0.062) 1/32 (0.031)

Grade of duplex tube