ASTM A684/A684M 1080 Introduce
ASTM A684/A684M 1080 plate has great formability, as well as being workable, hard, and weldable. It also exhibits good ductility and toughness, making it ideal for fabrication and welding. ASTM A684/A684M 1080 plate also offers excellent resistance to abrasion for both interior and exterior parts.
Smelting temperature:1167°C - 1271°C
Application:Cold rolled high carbon steel strip
ASTM A684/A684M 1080 Material Chemical Composition
The chemical composition of the ASTM A684/A684M 1080 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Carbon (C) | 0.7500 | 0.8800 |
| Manganese (Mn) | 0.6000 | 0.9000 |
| 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 1080 Material Mechanical Properties
ASTM A684/A684M 1080 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 1080 steel are as follows:
| YieldRp0.2 | ≤ 929 (MPa) |
| TeileRm | ≤ 155 (MPa) |
| ImpactKV/Ku | 13(J) |
| ElongationA | 33% |
| Reduction in cross section on fractureZ | 24% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 112 |
ASTM A684/A684M 1080 Material Thermal Properties
The thermal performance parameters of the ASTM A684/A684M 1080 steel are as follows:
| Temperature (°C) | 32 | 659 | 498 |
| Modulus of elasticity (GPa) | - | 643 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 12 |
| Thermal conductivity (W/m·°C) | - | 42.3 | 21.2 |
| Specific thermal capacity (J/kg·°C) | - | 324 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.13 | - | - |
| Deity (kg/dm³) | - | - | 441 |
| Poisson’s coefficient, ν | - | - | 423 |
ASTM A684/A684M 1080 Material Machining Technology
Another advantage of machining ASTM A684/A684M 1080 steel is that it does not require excessive amounts of heat for the process. The low melting point of the metal makes it easy to cut with mechanical tools instead of heat-based techniques, which can save time, resources and money.