ASTM A684/A684M 1085 Introduce
ASTM A684/A684M 1085 steel is used in a variety of industries, such as construction, automotive, aerospace, and energy. In construction, it is typically used to make bridges, towers, and various other structures. It is also used to make automotive components, as well as for aerospace parts and components for energy production.
Smelting temperature:1233°C - 1279°C
Application:Cold rolled high carbon steel strip
ASTM A684/A684M 1085 Material Chemical Composition
The chemical composition of the ASTM A684/A684M 1085 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Carbon (C) | 0.8000 | 0.9300 |
| Manganese (Mn) | 0.7000 | 1.0000 |
| 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 1085 Material Mechanical Properties
ASTM A684/A684M 1085 steel is an alloy of iron, carbon, and other elements. It is typically used in the construction of bridges and other infrastructure. This steel is known for its strength and durability in various environments. It also has excellent chemical properties, making it a popular choice for various applications.
The mechanical properties of the ASTM A684/A684M 1085 steel are as follows:
| YieldRp0.2 | ≤ 819 (MPa) |
| TeileRm | ≤ 552 (MPa) |
| ImpactKV/Ku | 14(J) |
| ElongationA | 41% |
| Reduction in cross section on fractureZ | 21% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 224 |
ASTM A684/A684M 1085 Material Thermal Properties
The thermal performance parameters of the ASTM A684/A684M 1085 steel are as follows:
| Temperature (°C) | 13 | 294 | 467 |
| Modulus of elasticity (GPa) | - | 712 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 33 |
| Thermal conductivity (W/m·°C) | - | 13.3 | 44.2 |
| Specific thermal capacity (J/kg·°C) | - | 424 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.12 | - | - |
| Deity (kg/dm³) | - | - | 412 |
| Poisson’s coefficient, ν | - | - | 144 |
ASTM A684/A684M 1085 Material Machining Technology
Machining ASTM A684/A684M 1085 steel is a complex process that requires a high degree of skill and safety awareness. The process offers multiple advantages, such as the accuracy, repeatability and cost savings, which make the material suitable for a wide range of industries. Moreover, the machining process can be done using a variety of cutting tools and techniques, such as CNC turning and milling.