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321 stainless steel seamless pipe

Description

321 stainless steel seamless pipe

Brief Description

    By the addition of Ti element, 321 stainless steel seamless pipe has high endurance strength and antioxidant properties, and has good organizational stability, especially under high temperature and flue gas environment, it is not easy to be oxidation and corrosion with role of water vapor, so it is very suitable for manufacturing steam boiler pipes that always work under high temperature and high pressure. 

 

Normal Sizes  For Stainless Steel Seamless Pipe
Outer Diameter*Wall Thickness(mm)
6*1 22*5 34*4 45*5 57*5 89*2 114*8 168*4
8*1 22*6 34*5 45*6 57*6 89*2.5 120*3.5 168*5
10*1 25*2 34*6 45*8 57*8 89*3 120*4 168*6
10*2 25*2.5 34*7 48*3 57*10 89*3.5 120*4.5 168*8
12*1 25*3 38*2 48*3.5 57*12 89*4 120*5 180*5
12*2 25*4 38*2.5 48*4 57*13 89*4.5 120*6 194*4.5
14*2 27*2 38*3 48*5 60*3 89*5 120*8 219*4
14*3 27*3 38*4 48*6 60*3.5 89*6 133*3 219*4.5
16*2 27*4 38*5 48*8 60*4 89*8 133*4 219*5
16*2.5 27*5 38*6 48*10 60*4.5 89*10 133*4.5 219*6
16*3 28*3 42*3 51*3 60*5 102*4 133*5 219*8
18*2 30*3 42*3.5 51*3.5 60*6 102*5 133*6 273*5
18*2.5 32*2 42*4 51*4 60*8 102*6 133*8 273*6
18*3 32*2.5 42*5 51*5 60*10 108*3 133*12 273*8
19*2 32*3 42*6 51*6 60*12 108*4 140*4 325*6
19*2.5 32*3.5 42*7 51*8 76*2 108*4.5 140*4.5 325*8
19*3 32*4 42*8 51*10 76*2.5 108*5 159*3 377*6
20*2 32*5 42*10 57*2 76*3 108*6 159*4 377*8
20*3 32*6 45*2 57*2.5 76*3.5 108*8 159*5 377*10
21*3 32*8 45*2.5 57*3 76*4 114*3 159*6 426*6
22*2 34*2.5 45*3 57*3.5 76*5 114*4 159*8 426*10
22*3 34*3 45*3.5 57*4 76*6 114*5 162*5 480*8
22*4 34*3.5 45*4 57*4.5 76*8 114*6 166*4.5 630*8
Customized size is also available.
 

Technical Data

Chemical Composition
 321 stainless steel 
C 0.08
Si 1.00
Mn 2.00
Cr 17.00~19.00
N -
P 0.035
S 0.03
Ni 9.00~12.00
Ti 5*C%

Mechanical property
321 Tensile Strength: σb (MPa)≥520
Yield strength : σ0.2 (MPa)≥205
Elongation: δ5 (%)≥40
Hardness : HRB<90 HV<200 HBS<187
Density : 8.0g/cm3

 

 

 

 
                                                                                                                                      
Application

 
321 Stainless Steel Seamless Pipe is mainly used for making
heat resistant materials, automobiles & aircraft exhaust pipes, boilers & furnace covers and pipes, chemical installations, heat exchangers, jet engines, pressure cookers

 

321 stainless steel seamless pipe

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