51CrV4 ISO 683-18-2014 alloy-steel wire

51CrV4 ISO 683-18-2014 alloy-steel wire has properties that are superior to or unavailable to carbon steel wire.

There are many kinds of alloy steel wire, mainly the following:

1. Alloy tool steel wire: commonly used steel alloy tool steel, high-speed tool steel and alloy die steel, this kind of steel wire carbon content and alloy element content is high, high hardness, poor plasticity, drawing more difficult.

2. Bearing steel wire: used for the manufacture of bearing balls and rollers and some blade tools, mainly made of chromium bearing steel, requiring high hardness, wear resistance and fatigue resistance, as well as good toughness and certain corrosion resistance.

3. Alloy spring steel wire: used to make spring and other elastic components, with good elastic properties and fatigue strength.

4. Alloy welding steel wire: suitable for arc welding, gas welding, submerged arc automatic welding, electroslag welding and other purposes, has a great impact on the quality of the weld, its chemical composition and surface quality have strict requirements.

5. Alloy cold forging steel wire: It is used to make more important rivets and bolts, which has higher requirements for the surface quality and toughness of the steel wire.

6. Stainless steel wire: has excellent corrosion resistance, widely used in the need of corrosion resistance environment.

Material designation	51CrV4
Correspondence standard	ISO 683-18-2014 Heat treated steels, alloy steels and free cutting steels
classify	alloy steel

51CrV4 Chemical Element Content (%)

Component	C	Si	Mn	P	S	Cr	Cr	V
Minimum value	0.47	0.1	0.6	-	-	0.8	-	0.1
Maximum value	0.55	0.4	1	0.025	0.025	1.1	0.4	0.25

51CrV4 Mechanical properties

Thickness t mm	Heat treatment or condition	Tensile strength σb Mpa	Yield point σs Mpa	Elongation or elongation after breaking δ %	Hardness HBW	Shock absorption energy KV2 J
t≤80	S.annealed +peeled (+A +SH)				≤248
t≤16	Quenched and tempered and peeled (+QT+SH)	1100~1300	≥900	≥9
16＜t≤40	Quenched and tempered and peeled (+QT+SH)	1000~1200	≥800	≥10		≥30
40＜t≤80	Quenched and tempered and peeled (+QT+SH)	900~1100	≥700	≥12		≥30
t≤16	S.annealed +Cold drawn (+A +C)				≤311
16＜t≤40	S.annealed +Cold drawn (+A +C)				≤293
40＜t≤80	S.annealed +Cold drawn (+A +C)				≤287

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