51CrMoV4 1.7701 - DIN 17221-1988

Grade	51CrMoV4
Germany W-Nr.	1.7701
Corresponding Standard	DIN 17221-1988 Hot Rolled Steels for Springs Suitable for Quenching and Tempering Technical Deliverfy Conditions
Classification	Spring Steel
Properties	Strength Elasticity Fatigue Resistance Quench Hardness

51CrMoV4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo	V
Minimum Value	0.48	0.15	0.7	-	-	0.9	0.15	0.08
Maximum Value	0.56	0.4	1.1	0.03	0.03	1.2	0.25	0.15

51CrMoV4 Mechanical Properties

condition	Hardness HBW
Cold Shearable Condition C	≤280
Softening Annealed Condition G	≤248
Spheroidized Condition GKZ	≤225

New and Old Grade Replacement List

Approximate Comparison Table Spring Steel

China		Taiwan, China	Japan	South Korea	United States		International Organization for Standardization	Germany		France	United Kingdom
GB	ISC	CNS	JIS	KS	AISI	UNS	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	BS EN/BS
55CrMnMoA	A34603	SUP13	SUP13	SPS9	4160	G41600	60CrMo3-3	≈51CrMoV4	1.7701	≈51CDV4	705H60

51CrMoV4 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"!