44SMn28 - ISO 683-9-1988

Grade	44SMn28
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	Machinability

44SMn28 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S
Minimum Value	0.4	0.15	1.3	-	0.24
Maximum Value	0.48	0.4	1.7	0.06	0.33

1 Approximate Comparison Table Free-Cutting Structural Steel

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

France

European Standard

Russia

United Kingdom

ISC

CNS

JIS

ASTM/AISI

UNS

SAE

ISO

NF EN/NF

Numerical Grade

GOST

BS EN/BS

Y40Mn
Y45Mn

L20409

SUM42

SUM42
SUM43

SUM42

1141

G11410

SAE 1144

44SMn28

40M5

44SMn28

1.0762

А10Г

212M44

2 Approximate Comparison Table Free-Cutting Structural Steel

China	International Organization for Standardization	European Standard		Russia
GB	ISO	EN	Numerical Grade	GOST
Y40Mn	44SMn28	44SMn28	1.0762	A40G А40Г

3 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

4 Approximate Comparison Table

China	Japan	United States	International Organization for Standardization
GB	JIS	ASTM	ISO
Y45MnS	SUM43	1144	44SMn28

44SMn28 Corresponding Standards(Same grade name, different standards)

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