ASTM A1008/A1008M SHS Grade 26 Introduce
The chemical properties of ASTM A1008/A1008M SHS Grade 26 steel are critical for its performance in specific applications. As a low carbon steel, ASTM A1008/A1008M SHS Grade 26 is ideal for fabrication processes that require tight bends and close tolerances. Its ability to be cold rolled or hot rolled is dependent on the chemical composition; proper heat treatment can result in improved ductility.
Smelting temperature:1156°C - 1997°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 Grade 26 Material Chemical Composition
The chemical composition of the ASTM A1008/A1008M SHS Grade 26 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Vanadium (V) | - | 0.0080 |
| Titanium (Ti) | - | 0.0080 |
| Sulfur (S) | - | 0.0300 |
| PhOsphorus (P) | - | 0.1200 |
| Nickel (Ni) | - | 0.2000 |
| Niobium (Nb) | - | 0.0080 |
| Molybdenum (Mo) | - | 0.0600 |
| Manganese (Mn) | - | 1.5000 |
| Copper (Cu) | - | 0.2000 |
| Chromium (Cr) | - | 0.1500 |
| Carbon (C) | - | 0.1200 |
ASTM A1008/A1008M SHS Grade 26 Material Mechanical Properties
Elongation is the capacity of a material to stretch under a given load. The elongation of ASTM A1008/A1008M SHS Grade 26 steel ranges from 29–33%, depending on the material's chemical composition. The higher the elongation, the more ductile the material is, and the better it can withstand external loadings.
The mechanical properties of the ASTM A1008/A1008M SHS Grade 26 steel are as follows:
| YieldRp0.2 | ≤ 456 (MPa) |
| TeileRm | ≤ 999 (MPa) |
| ImpactKV/Ku | 31(J) |
| ElongationA | 13% |
| Reduction in cross section on fractureZ | 31% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 241 |
ASTM A1008/A1008M SHS Grade 26 Material Thermal Properties
The thermal performance parameters of the ASTM A1008/A1008M SHS Grade 26 steel are as follows:
| Temperature (°C) | 23 | 694 | 951 |
| Modulus of elasticity (GPa) | - | 758 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 31 |
| Thermal conductivity (W/m·°C) | - | 24.3 | 14.2 |
| Specific thermal capacity (J/kg·°C) | - | 333 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.34 | - | - |
| Deity (kg/dm³) | - | - | 224 |
| Poisson’s coefficient, ν | - | - | 414 |
ASTM A1008/A1008M SHS Grade 26 Material Machining Technology
When machining ASTM A1008/A1008M SHS Grade 26 steel, it is important to keep several factors in mind. The use of sharp tools is essential for achieving good results. A slower speed and feed rate should also be used to prevent chipping and deformation of the material. Additionally, the use of a coolant and cutting fluids can help reduce friction and prevent thermal trauma.