T5 tool steel/SKH4/2756/W18Cr4V2Co8/ HS 18-1-2/1.3265 HSS high speed tool steel
T5 steel is a type of high-speed tool steel known for its excellent combination of hardness, wear resistance, and toughness. It belongs to the tungsten high-speed steel group and is commonly used in various cutting tool applications, including drills, taps, reamers, and milling cutters. T5 steel is renowned for its ability to maintain its hardness and cutting performance at elevated temperatures, making it suitable for high-speed machining operations in the aerospace, automotive, and manufacturing industries.
Chemical Composition:
| C(%) |
Si(%) |
Mn(%) |
Cr(%) |
W(%) |
V(%) |
P(%) |
S(%) |
| 0.65-0.80 |
0.20-0.40 |
0.10-0.40 |
3.75-4.50 |
17.25-18.75 |
0.90-1.30 |
≤0.030 |
≤0.030 |
Properties:
- High Hardness: T5 steel exhibits high hardness after heat treatment, providing excellent wear resistance and edge retention in cutting applications.
- Excellent Wear Resistance: It offers superior wear resistance due to its high chromium and tungsten content, making it suitable for machining abrasive materials such as stainless steel and hardened steels.
- Good Toughness: Despite its high hardness, T5 steel retains good toughness, reducing the risk of chipping or fracturing during high-speed machining operations.
- High Heat Resistance: T5 steel maintains its hardness and cutting performance at elevated temperatures, enabling prolonged tool life and consistent machining accuracy in high-speed machining environments.
- Good Machinability: It exhibits good machinability in the annealed condition, allowing for ease of machining, shaping, and forming processes.
- Excellent Edge Retention: T5 steel maintains sharp cutting edges even under high-speed and heavy-duty machining conditions, ensuring precision and efficiency in cutting operations.
- Uniform Hardness: T5 steel has uniform hardness throughout its cross-section after proper heat treatment, providing consistent cutting performance and dimensional accuracy in machined components.
Heat Treatment: T5 steel is typically subjected to heat treatment processes such as annealing, hardening, and tempering to optimize its mechanical properties. Annealing relieves internal stresses and improves machinability, while hardening increases hardness and wear resistance. Tempering reduces brittleness and improves toughness, allowing for the desired balance of hardness and toughness to be achieved.
Surface Treatment: Surface treatments such as coating, nitriding, or plating can be applied to T5 steel to further enhance its wear resistance, corrosion resistance, and overall performance in specific applications. These treatments can prolong tool life, improve cutting performance, and reduce friction and adhesive wear during machining operations.
Quality Assurance: T5 steel is manufactured to meet various international quality standards such as ASTM A600 and AISI T5. Quality assurance processes ensure consistency in chemical composition, mechanical properties, and dimensional accuracy of the material. Quality control measures are implemented throughout the production process to ensure that T5 steel meets the stringent requirements of end-users and applications.
Environmental Considerations: In manufacturing and machining processes involving T5 steel, environmental considerations such as waste management, emissions control, and energy efficiency should be taken into account to minimize environmental impact. Recycling and proper disposal of metalworking fluids, chips, and by-products are essential to reduce environmental pollution and ensure sustainable practices in the industry.
Applications:
- Cutting Tools: T5 steel is commonly used for manufacturing cutting tools such as drills, taps, end mills, and reamers used in high-speed machining operations.
- Milling Cutters: It finds application in the production of milling cutters for milling various materials, including steel, aluminum, and cast iron, in automotive, aerospace, and general machining industries.
- Turning Tools: T5 steel is employed in the production of turning tools for machining cylindrical components in precision engineering, automotive, and aerospace sectors.
- Drill Bits: It is utilized in the manufacturing of drill bits for drilling holes in metal, wood, and composite materials in construction, fabrication, and woodworking industries.
- Tapping Tools: T5 steel is used for manufacturing tapping tools for creating internal threads in metal components, providing precision and efficiency in threading operations.
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