44SMn28 1.0762 - EN 10277-2018

Grade	44SMn28
European Standard Steel Grade	1.0762
Corresponding Standard	EN 10277-2018 Bright steel products - Technical delivery conditions
Classification	Carbon Steel
Properties	Machinability

44SMn28 Chemical Element Composition Content (%)

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

44SMn28 Mechanical Properties

thickness t mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
5≤t≤10	Cold Drawing (+C)	760~1030	≥600	≥5
10<t≤16	Cold Drawing (+C)	710~980	≥530	≥5
16<t≤40	Cold Drawing (+C)	660~900	≥460	≥6
40<t≤63	Cold Drawing (+C)	650~870	≥430	≥7
63<t≤100	Cold Drawing (+C)	630~840	≥390	≥7
16<t≤40	Rolling and Decapping (+SH)	630~820			≤241
40<t≤63	Rolling and Decapping (+SH)	620~790			≤231
63<t≤100	Rolling and Decapping (+SH)	610~780			≤228
16<t≤40	Quenching and Tempering, Peeling (+QT+SH)	700~850	≥420	≥16
40<t≤63	Quenching and Tempering, Peeling (+QT+SH)	700~850	≥410	≥16
63<t≤100	Quenching and Tempering, Peeling (+QT+SH)	700~850	≥400	≥16
5≤t≤10	Quenching and Tempering, Cold Drawing (+QT+C)	850~1000	≥595	≥9
10<t≤16	Quenching and Tempering, Cold Drawing (+QT+C)	850~1000	≥595	≥9
16<t≤40	Quenching and Tempering, Cold Drawing (+QT+C)	700~900	≥490	≥11
40<t≤63	Quenching and Tempering, Cold Drawing (+QT+C)	700~900	≥490	≥12
63<t≤100	Quenching and Tempering, Cold Drawing (+QT+C)	700~900	≥490	≥12

1 Approximate Comparison Table

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

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

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

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!