JIS G7105 16MnCr5 Introduce

JIS G7105 16MnCr5 is a well-known and highly sought-after alloyed steel used in innovative products and components throughout many industries. It has an impressive range of unique mechanical and chemical properties that make it an ideal material for a wide range of applications. Its high strength, wear and corrosion resistance, good formability and its excellent mechanical properties make it a valuable choice for a variety of demanding tasks.

Smelting temperature:1839°C - 1364°C

Application:Heat-treated steel, alloy steel, free-cutting steel - Part 18: Bright alloy steel and low alloy steel

JIS G7105 16MnCr5 Material Chemical Composition

The chemical composition of the JIS G7105 16MnCr5 steel are as follows:

ElementMinMax
Silicon (Si)0.15000.4000
Sulfur (S)-0.0350
PhOsphorus (P)-0.0350
Manganese (Mn)1.00001.3000
Chromium (Cr)0.80001.1000
Carbon (C)0.13000.1900

JIS G7105 16MnCr5 Material Mechanical Properties

The mechanical properties of the JIS G7105 16MnCr5 steel are as follows:

YieldRp0.2 ≤ 971 (MPa)
TeileRm≤ 172 (MPa)
ImpactKV/Ku41(J)
ElongationA14%
Reduction in cross section on fractureZ44%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)122

JIS G7105 16MnCr5 Material Thermal Properties

The thermal performance parameters of the JIS G7105 16MnCr5 steel are as follows:

Temperature (°C)43264195
Modulus of elasticity (GPa)-423-
Mean coefficient of thermal expaion ×10-6/(°C)--23
Thermal conductivity (W/m·°C)-21.344.2
Specific thermal capacity (J/kg·°C)-434-
Specific electrical resistivity (Ω mm²/m)0.13--
Deity (kg/dm³)--422
Poisson’s coefficient, ν--223