51CrV4
2014-11-06 11:38:06 Origin： Remark：0 Click：
Specifications 51CrV4 steel strip, sheet, round bar, 51CrV4 Ex-stock steelmaking, forging & cold rolling, Heat treatment, Cold working.
ALLOY STEEL DATA SHEET - Grade DIN 51CrV4
MATERIAL CATEGORY: hardened and tempered steel
PRODUCT DESCRIPTION
Alloy structural steel is provided with higher yield strength, tensile strength, endurance strength, yield ratio (about 0.85 generally ) enough plasticity and toughness.
The concentration of alloy element of this kind of steel is quite high, mainly are corrosion resistant steel, heat resistant steel, wear resistant steel, and other special steels of physical and chemical properties. Alloy structural steel has preferable mechanical property than that of carbon structural steel, high performance of heat treatment especially.
The alloy is usually produced by EAF /VD /LF followed by electroslag refining (ESR) if necessary for special purpose. Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different level according to the buyers' requirements.
Bars are usually supplied bright in the annealed condition, or bright annealing specially.
Final heat treatment - heat treatment / QT.
MATERIAL SPECIFICATIONS - DIN EN 10083-2 (2006), DIN 17200 (1987)
CHEMICAL COMPOSITION (mass weight %)
Carbon, C (％): 0.47 ~ 0.55
Silicon, Si (％): ≤ 0.40
Manganese, Mn (％): 0.70 ~ 1.10
Phosphorus, P (％)≤: 0.025
Sulfur, S (％)≤: 0.025
Chromium, Cr (％): 0.90 ~ 1.20
Molybdenum, Mo (％): -
Nickel, Ni (％): -
Silicon, Si (％): ≤ 0.40
Manganese, Mn (％): 0.70 ~ 1.10
Phosphorus, P (％)≤: 0.025
Sulfur, S (％)≤: 0.025
Chromium, Cr (％): 0.90 ~ 1.20
Molybdenum, Mo (％): -
Nickel, Ni (％): -
Vanadium, V (%): 0.10 ~ 0.25
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
|Quenching |hot working temp./℃|First: 850
|quenching|hot working temp./℃|Second: —
|quenching|cooling medium: oil
|tempering|hot working temp./℃: 600
|tempering |cooling medium: water, oil
|quenching|hot working temp./℃|Second: —
|quenching|cooling medium: oil
|tempering|hot working temp./℃: 600
|tempering |cooling medium: water, oil
Tensile strength, |σb/MPa|≥: 1280
Yield strength, |σs/MPa|≥: 1150
Elongation, |δ5(％)|≥: 10.0
Reduction of area, |ψ(％)|≥: 40.0
Impact, |AKV/J|≥: 78
Hardness / HBS|≥: 255
Yield strength, |σs/MPa|≥: 1150
Elongation, |δ5(％)|≥: 10.0
Reduction of area, |ψ(％)|≥: 40.0
Impact, |AKV/J|≥: 78
Hardness / HBS|≥: 255
TYPICAL APPLICATIONS
Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on.
Mechanical gears, gear shaft, main axis, valve rod.
Mechanical parts - connecting rod, bolt and nut, Multidiameter shaft, Pressure vessel.
PRODUCT PROFILE
Round bar / Wire rod (Diameter): 5.5mm to 800mm
Square bar / Flat bar: 3mm to 1000mm
Plate / Steel strip: 0.1mm to 1000mm
Steel sheet: thickness 0.50 ~ 6.00mm, width 1000mm X length 1000/2000mm - Standard size
Length: random length or based on the customer's special requirement
Forged steel shape: stepped shafts, other different shapes based on OEM,
TECHNICAL SALES ASSISTANCE
If you meet further on any technical enquiry. pleased to email or call our resident team of qualified production engineers. E-mail: sales@ccsteels.com
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