20Cr18Ni15Si4Al S30640 - GB T 20878-2024

Grade	20Cr18Ni15Si4Al
China ISC	S30640
Corresponding Standard	GB /T 20878-2024 Stainless Steels - Designation and Chemical Composition
Classification	Austenitic Stainless Steel

20Cr18Ni15Si4Al Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Al
Minimum Value	0.16	3.2	-	-	-	17	13.5	0.18
Maximum Value	0.24	4	2	0.03	0.03	19.5	16	1.5

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