ASTM A684/A684M 1050 Introduce
ASTM A684/A684M 1050 is a kind of high-strength, low-alloy structural steel plate which is readily weldable, machinable and can be formed. It is a highly alloyed and low carbon steel. ASTM A684/A684M 1050 is used in applications ranging from transportation to construction, oil and gas and manufacturing, chemical and power plants.
Smelting temperature:1866°C - 1146°C
Application:Cold rolled high carbon steel strip
ASTM A684/A684M 1050 Material Chemical Composition
The chemical composition of the ASTM A684/A684M 1050 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Carbon (C) | 0.4800 | 0.5500 |
| 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 |
| Carbon (C) | 0.2800 | 0.3400 |
ASTM A684/A684M 1050 Material Mechanical Properties
ASTM A684/A684M 1050 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 1050 steel are as follows:
| YieldRp0.2 | ≤ 943 (MPa) |
| TeileRm | ≤ 568 (MPa) |
| ImpactKV/Ku | 34(J) |
| ElongationA | 12% |
| Reduction in cross section on fractureZ | 12% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 122 |
ASTM A684/A684M 1050 Material Thermal Properties
The thermal performance parameters of the ASTM A684/A684M 1050 steel are as follows:
| Temperature (°C) | 21 | 699 | 637 |
| Modulus of elasticity (GPa) | - | 671 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 41 |
| Thermal conductivity (W/m·°C) | - | 14.3 | 24.2 |
| Specific thermal capacity (J/kg·°C) | - | 432 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.11 | - | - |
| Deity (kg/dm³) | - | - | 343 |
| Poisson’s coefficient, ν | - | - | 232 |
ASTM A684/A684M 1050 Material Machining Technology
ASTM A684/A684M 1050 steel is a medium carbon, low alloy steel that is often used in the manufacturing of bridge components, crane booms, vehicle frames, guardrails, tilting chassis, and other structural components. The steel has excellent weldability and formability, making it easier to fabricate components leading to less material waste. The steel also has excellent mechanical properties that allow it to be tough, ductile, and machinable.