ML45 - GB /T 5953.1-2009

Grade	ML45
Corresponding Standard	GB /T 5953.1-2009 Steel Wire for Cold Heading and Cold Forging— Part 1: Intended for Heat Treatment
Classification	Carbon Steel

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	Reduction of Area ψ %	Hardness HBW
d≤6	SALD	590~760	≥55
6＜d≤12	SALD	570~720	≥55
12＜d≤25	SALD	470~620	≥50	HRB ≤96
d≤25	SA	450~600	≥60	HRB ≤89

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

ML45 Corresponding Standards(Same grade name, different standards)

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