ASTM A576 Grade 15L48 Introduce
ASTM A576 Grade 15L48 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 15L48 an ideal material for high-strength applications needing a strong and durable material.
Smelting temperature:1889°C - 1189°C
Application:Super hot rolled carbon steel rod
ASTM A576 Grade 15L48 Material Mechanical Properties
The mechanical properties of the ASTM A576 Grade 15L48 steel are as follows:
| YieldRp0.2 | ≤ 385 (MPa) |
| TeileRm | ≤ 391 (MPa) |
| ImpactKV/Ku | 33(J) |
| ElongationA | 24% |
| Reduction in cross section on fractureZ | 34% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 432 |
ASTM A576 Grade 15L48 Material Thermal Properties
The thermal performance parameters of the ASTM A576 Grade 15L48 steel are as follows:
| Temperature (°C) | 32 | 722 | 731 |
| Modulus of elasticity (GPa) | - | 633 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 33 |
| Thermal conductivity (W/m·°C) | - | 12.3 | 32.2 |
| Specific thermal capacity (J/kg·°C) | - | 132 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.22 | - | - |
| Deity (kg/dm³) | - | - | 424 |
| Poisson’s coefficient, ν | - | - | 312 |
ASTM A576 Grade 15L48 Material Machining Technology
ASTM A576 Grade 15L48 steel is a versatile material that is widely used in a range of machining applications. It requires special consideration when machining due to its hardenability and alloying elements. Cutting tools suitable for this task include high-speed steel and cobalt-based tools. The cutting speed should be kept low to ensure a successful machining process, and the feed rate should be as low as possible. Additionally, proper cooling should be used to reduce tool wear.