Duplex Pipe, Duplex Tube, Super Duplex Pipe, Stainless Duplex Pipe, Duplex UNS S31803, UNS S32205 Duplex Stainless Steel, Duplex Stainless Steel Pipe, Austenitic-Ferritic Stainless Steel Tubes
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Duplex Stainless Steel Pipe | Austenitic-Ferritic Stainless Steel Tubes

Duplex Pipe / Duplex Tube / Super Duplex Pipe / Stainless Duplex Pipe
Duplex Stainless Steel Pipe Duplex Stainless Steel Pipe

Chemical Composition
Grade Chemical Composition
C (max) Si (max) Mn (max) P (max) S (max) Cr Ni Mo N Cu
S32750 0.030 0.8 1.2 0.030 0.015 24.0-26.0 6.8-8.0 3.0-5.0 0.24-0.32 0.5 max
S13803 0.030 1.0 2.0 0.030 0.020 21.0-23.0 4.50-6.50 2.50-3.50 0.08-0.20

Physical Propertie
Grade Physical Propertie
Y.S. MPa (min) T.S. MPa (min) Elongation % Hardness HRC
S32750 550 800 15 31
S13803 450 620 25 31

Size range for duplex pipes
W.T. 1.0 1.2 1.5 1.65 2.0 2.11 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0
15
16
18
19.05
22
25.4
31.8
35
38.1
42
45
50.8
55
60
65
70
75
80
90
101.6
114.3
121
127
133
141.3
159
168.3
Note: For sizes other than given, please check with our office for further confirmation.
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