022Cr19Ni5Mo3Si2N S21953 - GB /T 713.7-2023

Grade	022Cr19Ni5Mo3Si2N
China ISC	S21953
Corresponding Standard	GB /T 713.7-2023 Steel Plate,Sheet and Strip for Pressure Equipments Part7:Stainless Steel and Heat Resisting Steel
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	Mo	N
Minimum Value	-	1.3	1	-	-	18	4.5	2.5	0.05
Maximum Value	0.03	2	2	0.03	0.015	19.5	5.5	3	0.12

022Cr19Ni5Mo3Si2N Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Hardness HBW
Solutioon treatment	≥630	≥440	≥25	HBW: ≤290 HRC: ≤31

1 Approximate Comparison Table Austenitic-Ferritic Stainless Steel

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 A959-16)	X2CrNiMoSiMnN19-5-3-2-2 (ISO 15510:2014)	4424-315-00-I	X2CrNiMoSi18-5-3/1.4424 (BS EN 10088-3:2014)

022Cr19Ni5Mo3Si2N Corresponding Standards(Same grade name, different standards)

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