Grade 022Cr19Ni5Mo3Si2N
China ISC S21953
Other Names
Old Grade
Corresponding Standard GB /T 31303-2014
Austenitic-Ferritic duplex stainless steel bars
Classification Duplex Stainless Steel
Properties Corrosion Resistance
Density 7.7 g/cm3
022Cr19Ni5Mo3Si2N Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu * Mo N Ti *
Minimum Value - 1.4 1.2 - - 18 4.5 - 2.5 0.05 -
Maximum Value 0.03 2 2 0.03 0.03 19 5.2 0.5 3 0.12 0.05
022Cr19Ni5Mo3Si2N Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
Hardness
HBW
≥590 ≥390 ≥20 ≥40 ≤290
1 Approximate Comparison Table Austenitic-Ferritic Stainless Steel
China United States
GB ISC UNS
022Cr19Ni5Mo3Si2N
(00Cr18Ni5Mo3Si2)
S21953 S31500
2 Approximate Comparison Table Austenitic-Ferritic Stainless Steel
China United States International Organization for Standardization United Kingdom
GB ISC UNS ISO Numerical Grade BS EN/BS
022Cr19Ni5Mo3Si2N
(GB/T 39033)
S21953 S31500
(ASTM A595-16)
X2CrNiMoSiMnN19-5-3-2-2
(ISO 15510:2014)
4424-315-00-Ⅰ X2CrNiMoSi18-5-3/1.4424
(BS EN 10083:2014)

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