ASTM A512 Grade 1018 Introduce
ASTM A512 Grade 1018 is a type of medium carbon steel alloy. This alloy has several beneficial properties, including good weldability, toughness, ductility, machinability, and strength. This article has highlighted the chemical properties of ASTM A512 Grade 1018 steel, which include its composition, grain size, and hardenability. Due to its beneficial chemical properties, ASTM A512 Grade 1018 is used in a variety of applications such as gears, shafts, bearing components, and hydraulic cylinders. It is also a preferred choice for general industrial machining operations due to its moderate hardness, strength, and ductility.
Smelting temperature:1611°C - 1627°C
Application:Cold drawn butt welded carbon steel mechanical pipe
ASTM A512 Grade 1018 Material Mechanical Properties
ASTM A512 Grade 1018 steel is one of the most common materials used in the construction and engineering industries, often used to create structural components and various types of powertrain components. As such, it is important to understand the various mechanical properties of this steel, including its tensile strength, ductility, hardness, and other characteristics.
The mechanical properties of the ASTM A512 Grade 1018 steel are as follows:
| YieldRp0.2 | ≤ 871 (MPa) |
| TeileRm | ≤ 149 (MPa) |
| ImpactKV/Ku | 31(J) |
| ElongationA | 12% |
| Reduction in cross section on fractureZ | 22% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 112 |
ASTM A512 Grade 1018 Material Thermal Properties
The thermal performance parameters of the ASTM A512 Grade 1018 steel are as follows:
| Temperature (°C) | 12 | 418 | 579 |
| Modulus of elasticity (GPa) | - | 586 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 14 |
| Thermal conductivity (W/m·°C) | - | 12.3 | 23.2 |
| Specific thermal capacity (J/kg·°C) | - | 234 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.44 | - | - |
| Deity (kg/dm³) | - | - | 432 |
| Poisson’s coefficient, ν | - | - | 331 |
ASTM A512 Grade 1018 Material Machining Technology
Machining is an invaluable tool in the manufacturing industry, and is used to shape ASTM A512 Grade 1018 steel into practically any form or shape desired. By having a better understanding of the machining processes, tools, and finishing techniques employed with ASTM A512 Grade 1018 steel, manufacturers can more effectively and efficiently create the parts and components necessary for their products.