Grade 022Cr21Ni25Mo7CuN
China ISC S31783
Corresponding Standard GB /T 32569-2016
Welded Stainless Steel Tubes for Seawater Desalination Plants
Classification Austenitic Stainless Steel
022Cr21Ni25Mo7CuN Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo N
Minimum Value - - - - - 20 23.5 - 6 0.18
Maximum Value 0.03 1 2 0.03 0.03 22 25.5 0.75 7 0.25
022Cr21Ni25Mo7CuN Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
≥1100°C, rapid cooling ≥690 ≥310 ≥30 HRB: ≥100

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