S32205 Tubing/Piping
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S32205 Tubing/Piping
Duplex S32205 is a nitrogen enhanced duplex stainless steel that was developed to combat common
corrosion problems encountered with the 300 series stainless steel. “Duplex” describes a family of stainless
steel that are neither fully austenitic, like 304 stainless, nor purely ferritic, like 430 stainless steel. The
structure of 2205 duplex stainless steel consists of austenitic pools surrounded by a continuous ferritic
phase. In the annealing condition, 2205 contains approximately 40-50% ferrite. Ofen referred to as the
work horse grade, 2205 is the most widely used grade in the duplex stainless steel tube.
S32205 Chemical composition, % according to ASTM A789 ASTM A790
C Si Mn P S Cr Mo Ni N Cu
Min 22.0 3.0 4.50 0.14
Max 0.03 1.00 2.00 0.030 0.02 23.0 3.50 6.50 0.20
Tag: 1.4462 piping, S32205 Tubing, s31803 piping, S32205 PIPING
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