35SMn20 Type 8 - ISO 683-9-1988

Grade	35SMn20
ISO Numeric Designation	Type 8
Corresponding Standard	ISO 683-9-1988 Heat-Treatable Steels, Alloy Steels and Free-Cutting Steels — Part 9: Wrought Free-Cutting Steels
Classification	Carbon Steel
Properties	Good Machinability

35SMn20 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S
Minimum Value	0.32	0.15	0.9	-	0.15
Maximum Value	0.39	0.4	1.4	0.06	0.25

New and Old Grade Replacement List

Corresponding Standard	Grade
ISO 683-9-1988	Grade ISO Numeric Designation
ISO 683-4-2016	Grade

1 Approximate Comparison Table Free-Cutting Structural Steel

China	International Organization for Standardization
GB	ISO
Y40Mn	35SMn20

2 Approximate Comparison Table Free-Cutting Structural Steel

China	Japan	United States	International Organization for Standardization	Germany		France	European Standard		Russia	United Kingdom
GB	JIS	ASTM	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	EN	Numerical Grade	GOST	BS EN/BS
Y40Mn	SUM42	1141 1139	44SMn28 35SMn20	38SMn28	1.0760	38SMn28	38SMn28	1.0760	A40Г	38SMn28

35SMn20 Corresponding Standards(Same grade name, different standards)

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