ASTM A322 AISI 51L17 Introduce
ASTM A322 AISI 51L17 is used in many different types of applications, including bearings, automotive components, and tools/instruments. It is an ideal material for use in areas where it is exposed to high temperatures, as its properties allow it to maintain its strength even at elevated temperatures. This makes it so popular among many construction applications, especially those that require a stable, high-temperature resistant material. ASTM A322 AISI 51L17 is a versatile steel that is perfect for a variety of different structural and engineering applications. It is a highly corrosion resistant material, making it ideal for use in many food processing and marine environments. Additionally, it offers excellent strength and durability at elevated temperatures, making it the perfect material for many construction applications.
Smelting temperature:1324°C - 1185°C
Application:Alloy steel bar. Level
ASTM A322 AISI 51L17 Material Mechanical Properties
ASTM A322 AISI 51L17 steel is known for its excellent strength to weight ratios, giving it superior mechanical properties over other grades of steel. It is capable of withstanding high pressures and tensile stress, making it suitable for large-scale machines and high-performance automotive components. ASTM A322 AISI 51L17 steel also exhibits excellent fatigue resistance, meaning it is capable of withstanding lengthy loads and repeated stressing. Furthermore, its mechanical properties are predictable and consistent, making it much easier to design and manufacture parts.
The mechanical properties of the ASTM A322 AISI 51L17 steel are as follows:
| YieldRp0.2 | ≤ 694 (MPa) |
| TeileRm | ≤ 377 (MPa) |
| ImpactKV/Ku | 21(J) |
| ElongationA | 24% |
| Reduction in cross section on fractureZ | 31% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 142 |
ASTM A322 AISI 51L17 Material Thermal Properties
The thermal performance parameters of the ASTM A322 AISI 51L17 steel are as follows:
| Temperature (°C) | 11 | 997 | 967 |
| Modulus of elasticity (GPa) | - | 499 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 24 |
| Thermal conductivity (W/m·°C) | - | 12.3 | 34.2 |
| Specific thermal capacity (J/kg·°C) | - | 212 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.42 | - | - |
| Deity (kg/dm³) | - | - | 231 |
| Poisson’s coefficient, ν | - | - | 423 |
ASTM A322 AISI 51L17 Material Machining Technology
Other machining considerations for ASTM A322 AISI 51L17 steel include the use of coolant and cutting fluid, as well as controlling the cutting speed, feed rate, and spindle speed. Coolant and cutting fluid can help reduce friction and heat buildup, while controlling the cutting speed, feed rate, and spindle speed can help prevent tool breakage, work hardening, and burr formation.