JIS G7701 51CrMnV1 Introduce

JIS G7701 51CrMnV1 is a type of steel that has been developed for use in many industries. This type of steel is known for its high strength, excellent structural stability, corrosion resistance and toughness. It is produced using a combination of metallurgy and heat treatment processes. The result is a steel that is highly sought after for a variety of different applications.

Smelting temperature:1362°C - 1928°C

Application:Tool steel

JIS G7701 51CrMnV1 Material Chemical Composition

The chemical composition of the JIS G7701 51CrMnV1 steel are as follows:

ElementMinMax
Vanadium (V)0.05000.2500
Silicon (Si)0.10000.4000
Sulfur (S)-0.0300
PhOsphorus (P)-0.0300
Manganese (Mn)0.70001.0000
Chromium (Cr)0.90001.2000
Carbon (C)0.48000.5500

JIS G7701 51CrMnV1 Material Mechanical Properties

The mechanical properties of the JIS G7701 51CrMnV1 steel are as follows:

YieldRp0.2 ≤ 327 (MPa)
TeileRm≤ 322 (MPa)
ImpactKV/Ku24(J)
ElongationA22%
Reduction in cross section on fractureZ44%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)341

JIS G7701 51CrMnV1 Material Thermal Properties

The thermal performance parameters of the JIS G7701 51CrMnV1 steel are as follows:

Temperature (°C)23528716
Modulus of elasticity (GPa)-197-
Mean coefficient of thermal expaion ×10-6/(°C)--23
Thermal conductivity (W/m·°C)-41.311.2
Specific thermal capacity (J/kg·°C)-214-
Specific electrical resistivity (Ω mm²/m)0.24--
Deity (kg/dm³)--324
Poisson’s coefficient, ν--311