ASTM A684/A684M 1086 Introduce
ASTM A684/A684M 1086 is a high-strength, low-alloy steel plate which is popularly used in applications ranging from transportation to construction, oil and gas, manufacturing, chemical and power plants. This steel plate has excellent mechanical properties, making it ideal for the oil and gas, automotive and aerospace industries. It is also easy to form and weld and offers excellent resistance to abrasion. It should be noted that proper welding and/or heat treatment process should be used when working with ASTM A684/A684M 1086 and approved welding procedures should be used.
Smelting temperature:1975°C - 1932°C
Application:Cold rolled high carbon steel strip
ASTM A684/A684M 1086 Material Chemical Composition
The chemical composition of the ASTM A684/A684M 1086 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Carbon (C) | 0.8000 | 0.9300 |
| Manganese (Mn) | 0.3000 | 0.5000 |
| PhOsphorus (P) | - | 0.0300 |
| Sulfur (S) | - | 0.0350 |
| Silicon (Si) | 0.1500 | 0.3000 |
| Nickel (Ni) | - | 0.3000 |
| Chromium (Cr) | - | 0.2500 |
| Molybdenum (Mo) | - | 0.1000 |
| Copper (Cu) | - | 0.3000 |
| (Cr+Ni+Cu+Mo) | - | 0.8000 |
| Silicon (Si) | 0.1500 | 0.3000 |
| Nickel (Ni) | - | 0.3000 |
| Molybdenum (Mo) | - | 0.1000 |
| Copper (Cu) | - | 0.3000 |
| Chromium (Cr) | - | 0.2500 |
ASTM A684/A684M 1086 Material Mechanical Properties
ASTM A684/A684M 1086 steel is highly weldable, which means it can be joined easily with other pieces of steel to make strong and durable connections. Its weldability is mainly attributed to its low carbon content, as carbon is known to reduce weldability. The steel is also resistant to cracking and has excellent tensile strength, making it a great choice for welded structures.
The mechanical properties of the ASTM A684/A684M 1086 steel are as follows:
| YieldRp0.2 | ≤ 874 (MPa) |
| TeileRm | ≤ 739 (MPa) |
| ImpactKV/Ku | 34(J) |
| ElongationA | 24% |
| Reduction in cross section on fractureZ | 43% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 132 |
ASTM A684/A684M 1086 Material Thermal Properties
The thermal performance parameters of the ASTM A684/A684M 1086 steel are as follows:
| Temperature (°C) | 41 | 773 | 821 |
| Modulus of elasticity (GPa) | - | 787 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 32 |
| Thermal conductivity (W/m·°C) | - | 13.3 | 42.2 |
| Specific thermal capacity (J/kg·°C) | - | 433 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.31 | - | - |
| Deity (kg/dm³) | - | - | 341 |
| Poisson’s coefficient, ν | - | - | 342 |
ASTM A684/A684M 1086 Material Machining Technology
Machining is when the shape, size and finish of a material is changed by the application of cutting tools and other manipulations. It is one of the most important processes in modern manufacturing, and at the same time one of the most complex. ASTM A684/A684M 1086 is a type of steel – and more specifically, a carbon steel alloy – that is widely used in many different industries such as automotive, medical and aerospace.