GB 1591 16MnRE Introduce

GB 1591 16MnRE, or the Chinese Standard of hot-rolled steel, is a widely used material for construction and engineering purposes. With its high strength, hardness, and ductility, GB 1591 16MnRE steel is used in a variety of structures, from buildings to bridges. As such, it's important to understand the mechanical properties of this steel in order to create durable and reliable structures.

Smelting temperature:1383°C - 1513°C

Application:Low alloy high strength structural steel

GB 1591 16MnRE Material Mechanical Properties

The mechanical properties of the GB 1591 16MnRE steel are as follows:

YieldRp0.2 ≤ 348 (MPa)
TeileRm≤ 677 (MPa)
ImpactKV/Ku33(J)
ElongationA31%
Reduction in cross section on fractureZ23%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)221

GB 1591 16MnRE Material Thermal Properties

The thermal performance parameters of the GB 1591 16MnRE steel are as follows:

Temperature (°C)11184759
Modulus of elasticity (GPa)-256-
Mean coefficient of thermal expaion ×10-6/(°C)--33
Thermal conductivity (W/m·°C)-24.334.2
Specific thermal capacity (J/kg·°C)-421-
Specific electrical resistivity (Ω mm²/m)0.22--
Deity (kg/dm³)--223
Poisson’s coefficient, ν--214

GB 1591 16MnRE Material Machining Technology

GB 1591 16MnRE is a high-quality boron steel that is used for a wide range of applications requiring strength and weldability. It is a low-carbon steel alloy with a high content of boron, an element that is added to the alloy to improve the mechanical properties. The most common grade of GB 1591 16MnRE steel is 50B, which is widely used for automotive structural parts, agricultural and mining machinery parts, construction machinery parts, and other components requiring strength and weldability. It is also used to manufacture machine tool components, and as a result, is frequently encountered in machining operations.