ML40Cr - GB /T 28906-2025

Grade	ML40Cr
Corresponding Standard	GB /T 28906-2025 Hot Rolled Wire Rod for Cold Heading
Classification	Alloy Steel
Properties	Forgability Weldability

ML40Cr Chemical Element Composition Content (%)

Component	C	Si ^①	Mn	P	S	Cr
Minimum Value	0.38	0.1	0.6	-	-	0.9
Maximum Value	0.43	0.3	0.9	0.025	0.02	1.2

ML40Cr Mechanical Properties

Tensile Strength σ_b Mpa	Reduction of Area ψ %
≤620	≥58

Approximate Comparison Table Cold Heading Steel

China		United States		International Organization for Standardization	Germany		France	Russia	United Kingdom
GB	ISC	ASTM/AISI	UNS	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	GOST	BS EN/BS
ML40Cr	A20404	5140	G51400	41Cr4E (C16)	41Cr4	1.7035	38C4 42C4	40Х	3/2

ML40Cr 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"!