JIS G3311 SNCM415M Introduce

JIS G3311 SNCM415M is a high-strength steel grade used for a variety of industrial applications. It is widely recognized for its strength and toughness, making it an ideal choice for many applications. JIS G3311 SNCM415M is composed primarily of iron, with lesser amounts of carbon, manganese, phosphorus, silicon, sulfur, and other elements. The chemical composition of this steel can vary slightly, depending on the individual grade. In addition to its chemical composition, JIS G3311 SNCM415M also has unique physical properties that are important to consider. This grade of steel is highly formable and is able to maintain its shape through a variety of processes. Additionally, its high strength and ductility make it ideal for a variety of structural applications, such as bridges and buildings, as well as for industrial machinery.

Smelting temperature:1431°C - 1117°C

Application:Cold rolled special steel plate

JIS G3311 SNCM415M Material Chemical Composition

The chemical composition of the JIS G3311 SNCM415M steel are as follows:

ElementMinMax
Silicon (Si)0.15000.3500
Sulfur (S)-0.0300
PhOsphorus (P)-0.0300
Nickel (Ni)1.60002.0000
Molybdenum (Mo)0.15000.3000
Manganese (Mn)0.40000.7000
Copper (Cu)-0.3000
Chromium (Cr)0.40000.6000
Carbon (C)0.12000.1800

JIS G3311 SNCM415M Material Mechanical Properties

The mechanical properties of the JIS G3311 SNCM415M steel are as follows:

YieldRp0.2 ≤ 895 (MPa)
TeileRm≤ 828 (MPa)
ImpactKV/Ku22(J)
ElongationA31%
Reduction in cross section on fractureZ11%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)132

JIS G3311 SNCM415M Material Thermal Properties

The thermal performance parameters of the JIS G3311 SNCM415M steel are as follows:

Temperature (°C)21265629
Modulus of elasticity (GPa)-219-
Mean coefficient of thermal expaion ×10-6/(°C)--32
Thermal conductivity (W/m·°C)-31.314.2
Specific thermal capacity (J/kg·°C)-231-
Specific electrical resistivity (Ω mm²/m)0.23--
Deity (kg/dm³)--123
Poisson’s coefficient, ν--432