ASTM A1008/A1008M SHS-280 Introduce
The ASTM A1008/A1008M steel standard covers cold-rolled, carbon, structural, high-strength low-alloy, and high-strength low-alloy with improved formability steel sheet and strips in coils, cut lengths, or formed shapes. Steel products with these specifications are used in many industries and applications, such as automotive and aviation components, appliance bodies, office furniture, and railroad equipment.
Smelting temperature:1679°C - 1118°C
Application:Standard Specification for Steel Sheet, Cold-Rolled, Carbon, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability
ASTM A1008/A1008M SHS-280 Material Chemical Composition
The chemical composition of the ASTM A1008/A1008M SHS-280 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Copper (Cu) | - | 0.2000 |
| Titanium (Ti) | - | 0.0080 |
| Niobium (Nb) | - | 0.0080 |
| Vanadium (V) | - | 0.0080 |
| Molybdenum (Mo) | - | 0.0600 |
| Nickel (Ni) | - | 0.2000 |
| Chromium (Cr) | - | 0.1500 |
| PhOsphorus (P) | - | 0.1200 |
| Sulfur (S) | - | 0.0300 |
| Manganese (Mn) | - | 1.5000 |
| Carbon (C) | - | 0.1200 |
ASTM A1008/A1008M SHS-280 Material Mechanical Properties
Tensile strength, also referred to as ultimate tensile strength (UTS), is the maximum stress a material can withstand before it breaks. The tensile strength of ASTM A1008/A1008M SHS-280 steel can range from 391–441 MPa, depending on its chemical composition. Typically, higher levels of strength are associated with lower levels of carbon, and ASTM A1008/A1008M SHS-280 steel has a minimum tensile strength of 391 MPa.
The mechanical properties of the ASTM A1008/A1008M SHS-280 steel are as follows:
| YieldRp0.2 | ≤ 132 (MPa) |
| TeileRm | ≤ 955 (MPa) |
| ImpactKV/Ku | 23(J) |
| ElongationA | 22% |
| Reduction in cross section on fractureZ | 13% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 434 |
ASTM A1008/A1008M SHS-280 Material Thermal Properties
The thermal performance parameters of the ASTM A1008/A1008M SHS-280 steel are as follows:
| Temperature (°C) | 31 | 956 | 343 |
| Modulus of elasticity (GPa) | - | 398 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 32 |
| Thermal conductivity (W/m·°C) | - | 32.3 | 33.2 |
| Specific thermal capacity (J/kg·°C) | - | 411 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.42 | - | - |
| Deity (kg/dm³) | - | - | 122 |
| Poisson’s coefficient, ν | - | - | 444 |
ASTM A1008/A1008M SHS-280 Material Machining Technology
ASTM A1008/A1008M SHS-280 steel is a low-carbon steel that is commonly used in commercial and industrial construction applications. It is especially beneficial for components that require strength, as well as formability and machinability. In addition to its physical characteristics, ASTM A1008/A1008M SHS-280 steel also has a variety of thermal properties that are beneficial for certain applications.