SUM23 - JIS G 4804-2021

SUM23 Chemical Element Composition Content (%)

Component	C	Mn	P	S
Minimum Value	-	0.75	0.04	0.26
Maximum Value	0.09	1.05	0.09	0.35

1 Approximate Comparison Table Free-Cutting Structural Steel

China		Japan	United States	International Organization for Standardization	Russia
GB	ISC	JIS	ASTM/AISI	ISO	GOST
Y08	U71082	SUM23	1215	9S20	А11

2 Approximate Comparison Table Free-Cutting Structural Steel

China	Japan	United States	International Organization for Standardization
GB	JIS	ASTM/AISI	ISO
Y08	SUM23	1215	9S20

3 Approximate Comparison Table Free-Cutting Structural Steel

China	Japan	United States	International Organization for Standardization
GB	JIS	ASTM/AISI	ISO
Y08S GB/T 8731-2025	SUM23 JIS G4804-2021	1215 ASTM A29/A29M-20	11SMn30 ISO 683-4-2016

SUM23 Corresponding Standards(Same grade name, different standards)

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