50CrVA Spring Steel 50CrV4

Short Description:

Chemical Composition: C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(％) V(％) 0.46～0.54 0.17～0.37 0.50～0.80 ≤0.030 ≤0.030 0.80～1.10 ≤0.35 ≤0.25 0.10 ~ 0.20 Mechanical Propoerties: Yield Strength Rp0.2(MPa) Tensile Strength Rm(MPa) Impact Energy KV(J) Elongation A(%) Hardness ≥ 1127(115) ≥ 1274(130) ≥ 98 ≥ 10 ≤ 321HB Heat treatment specification and metallographic structure: Heat treatment specification: hot-rolled steel is delivered in ...

FOB Price: US $0.5 - 9,999 / Piece

Min.Order Quantity: 100 Piece/Pieces

Supply Ability: 10000 Piece/Pieces per Month

Port: Shenzhen

Payment Terms: L/C,D/A,D/P,T/T

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Chemical Composition:

C(％)	Si(％)	Mn(％)	P(％)	S(％)	Cr(％)	Ni(％)	Cu(％)	V(％)
0.46～0.54	0.17～0.37	0.50～0.80	≤0.030	≤0.030	0.80～1.10	≤0.35	≤0.25	0.10 ~ 0.20

Mechanical Propoerties:

Yield Strength R_p0.2(MPa)	Tensile Strength R_m(MPa)	Impact Energy KV(J)	Elongation A(%)	Hardness
≥ 1127(115)	≥ 1274(130)	≥ 98	≥ 10	≤ 321HB

Heat treatment specification and metallographic structure:

Heat treatment specification:

hot-rolled steel is delivered in heat-treated or non-heat-treated state, and cold-drawn steel is delivered in annealed state.

Metallographic structure:

quenched at 850℃±20℃, oil-cooled; tempered at 500℃±50℃ (for special needs, ±30℃), the organization is tempered troostite or a mixed organization of troostite and sorbite.

Critical point temperature (approximate value) Ac1=752℃, Ac3=788℃, Ar3=746℃, Ar1=688℃.