Year1
- 牌号：
- 51crV4
- 规格：
- 齐全
[Sales hotline Li Ting 3] [-] [:]
Spring steel
(.) Spring steel has good mechanical properties and process properties, high hardenability, and the addition of vanadium makes the steel The grains are refined, the overheat sensitivity is reduced, the strength and toughness are improved, it has high fatigue strength, and the yield ratio is also high, but the weldability is poor and the plasticity due to cold deformation is low.
Purpose
It is a higher-grade spring, used as important spring with large cross-section and high load, as well as valve spring, piston spring and safety valve spring with working temperature of ℃.
Chemical composition
Carbon:.~
Silicon:
Manganese.~
Sulfur:
Phosphorus:
Chromium:.~
Nickel
Copper:
Vanadium: .~
Mechanical properties
Tensile strength:
Yield strength:
Elongation ():
Reduction of area ():
Hardness: hot rolling, cold drawing + heat treatment,
Heat treatment specifications and metallographic structure
Heat treatment specifications: quenching ℃℃, oil cooling and tempering ℃℃ (special 3℃ when needed).
●Delivery status: Hot-rolled steel is delivered in a heat-treated or non-heat-treated state, and cold-drawn steel is delivered in a heat-treated state.
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