ASTM A576 Grade 15L27 Introduce
ASTM A576 Grade 15L27 is a special-grade steel that has unique mechanical properties, making it a popular and cost-effective choice for many engineering and construction projects. The steel contains a low-carbon content and is corrosion-resistant, making it highly durable. The steel also has a tensile strength of 170,000 psi ETF, a Rockwell hardness of 160-190, and an impact strength of 20 foot-pounds. These mechanical properties make ASTM A576 Grade 15L27 an ideal material for high-strength applications needing a strong and durable material.
Smelting temperature:1973°C - 1835°C
Application:Super hot rolled carbon steel rod
ASTM A576 Grade 15L27 Material Mechanical Properties
The mechanical properties of the ASTM A576 Grade 15L27 steel are as follows:
| YieldRp0.2 | ≤ 159 (MPa) |
| TeileRm | ≤ 455 (MPa) |
| ImpactKV/Ku | 33(J) |
| ElongationA | 13% |
| Reduction in cross section on fractureZ | 42% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 413 |
ASTM A576 Grade 15L27 Material Thermal Properties
The thermal performance parameters of the ASTM A576 Grade 15L27 steel are as follows:
| Temperature (°C) | 43 | 154 | 458 |
| Modulus of elasticity (GPa) | - | 196 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 13 |
| Thermal conductivity (W/m·°C) | - | 33.3 | 43.2 |
| Specific thermal capacity (J/kg·°C) | - | 331 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.24 | - | - |
| Deity (kg/dm³) | - | - | 124 |
| Poisson’s coefficient, ν | - | - | 113 |
ASTM A576 Grade 15L27 Material Machining Technology
When machining ASTM A576 Grade 15L27 steel, it is important to select suitable cutting tools. High-speed steel (HSS) is the most common choice for this application, as it can offer the best performance and offers good heat resistance. Cobalt-based cutting tools can be effective in some cases, but are usually more expensive. It is also important to keep in mind that high cutting speeds should be avoided when using HSS cutting tools.