ML45 U40452 - GB /T 6478-2015

Grade	ML45
China ISC	U40452
Corresponding Standard	GB /T 6478-2015 Steels for Cold Heading and Cold Extruding
Classification	Carbon Steel
Properties	Good Forgability

ML45 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S
Minimum Value	0.43	0.1	0.6	-	-
Maximum Value	0.48	0.3	0.9	0.025	0.025

ML45 Mechanical Properties

diameter d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW
d=25 (sample diameter)	Normalizing temperature AC3 +30~50°C	≥600	≥355	≥16	≥40	Hot Rolled State ≤229

1 Approximate Comparison Table Cold Heading Steel

China		Taiwan, China	Japan	South Korea	United States		International Organization for Standardization	Germany		France	Russia
GB	ISC	CNS	JIS	KS	ASTM/AISI	UNS	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	GOST
ML45	U40452	SWRCH45K	SWRCH45K	SWRCH45K	1044	G10440	CE45E4 (C6)	Cq45 (C45C)	1.1192	XC45	45

2 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

China		Japan	United States	International Organization for Standardization	European Standard
YB	GB	JIS	ASTM	ISO	EN
QML45	ML45	SWRCH45K	1045	C45EC	C45EC

ML45 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"!