SUM24L - JIS G 4804-2008

SUM24L Chemical Element Composition Content (%)

Component	C	Mn	P	S	Pb
Minimum Value	-	0.85	0.04	0.26	0.1
Maximum Value	0.15	1.15	0.09	0.35	0.35

Approximate Comparison Table Free-Cutting Structural Steel

China	Japan	United States	International Organization for Standardization
GB	JIS	ASTM/AISI	ISO
Y12Pb GB/T 8731-2025	SUM24L JIS G4804-2019	12L14 ASTM A29/A29M-16	11SMnPb30 ISO 683-4-2016

SUM24L Corresponding Standards(Same grade name, different standards)

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