Application scope of high-speed steel
Aerospace manufacturing
High temperature alloy cutting tools
Titanium alloy turbine blade milling cutter, with a hardness of>60 HRC even at continuous cutting temperature>650 ℃, and a tool life increase of 3 times;
Aircraft engine nickel based alloy drill bit, capable of withstanding wear at a speed of 120 meters per minute, with a hole diameter tolerance of ± 0.01mm.
Extreme environment remediation tool
Repair tools for nuclear reactor components, with a red hardness decay rate of less than 5% in radiation resistant environments;
Deep space probe parts processing mold, suitable for thermal cycling deformation from -180 ℃ to 300 ℃.
Core components of the automotive industry
High load gear cutting tools
The gear rolling cutter for gearbox has a single grinding life of 800 pieces when processing carburizing steel (hardness 55 HRC);
The crankshaft deep hole drill rod has a torsional strength of 1200 MPa and a 40% increase in fracture toughness.
Precision stamping mold
Continuous punching die for car door hinges, with a lifespan of over 500000 times (200000 times for ordinary molds), and a 70% reduction in blade breakage rate;
The cutting die for high-strength steel plate (1200 MPa grade) has an increased grinding interval of 15000 strokes.
Industrial cutting and molds
Heavy cutting tools
High temperature alloy special cutting tool, with a cutting speed of 120m/min (conventional tool 60m/min);
Composite material drill bit (PDC embedded matrix) increases drilling efficiency by 25% in oil drilling.
Corrosion resistant precision mold
Carbon fiber molding mold, surface mirror polished to Ra0.04 μ m, resistant to resin acid corrosion;
Glass bottle die-casting mold, high temperature hardness 58 HRC, mold life>1 million times.
Key performance boundary
Heat treatment process:
Quenching: 1270-1290 ℃ salt bath treatment (to avoid decarburization)
Triple tempering: 540-560 ℃ x 3 times (hardness 63-65 HRC);
Application restrictions:
Limited toughness (impact value 8-12 J/cm ²), not suitable for heavy impact load conditions;
The high tungsten content results in a 30% lower grinding efficiency compared to molybdenum based high-speed steel.
The core application cases of 1.3343/M2 high-speed steel are summarized based on its high hardness (63-65 HRC), wear resistance, and impact resistance, covering three major fields: cutting tools, mold manufacturing, and special components
High performance cutting tools
Aviation difficult to process material cutting tools
When the cutting temperature of the titanium alloy turbine blade milling cutter is greater than 650 ℃, the hardness is still greater than 60 HRC, and the tool life is three times longer than that of ordinary tool steel;
Nickel based high-temperature alloy drill bits are suitable for machining at a line speed of 120m/min, with a hole diameter tolerance of ± 0.01mm.
Precision gear machining for automobiles
The gearbox gear rolling cutter can process 800 pieces of 55 HRC carburizing steel gears in a single grinding operation;
The torsional strength of the crankshaft deep hole drill rod is 1200 MPa, and the fracture toughness is increased by 40%.
Impact resistant mold system
Metal sheet stamping die
The continuous die life of the car door hinge is greater than 500000 times (200000 times for ordinary molds), and the blade breakage rate is reduced by 70%;
The grinding interval of the 1200 MPa high-strength steel plate cutting die reaches 15000 strokes.
Special material forming mold
The surface of the carbon fiber resin molding mold is polished to Ra0.04 μ m and resistant to acidic corrosion;
Mobile phone metal shell precision punching die is compatible with 0.5mm ultra-thin sheet metal punching.
Special industrial components
Extreme working condition tool
The red hardness attenuation rate of the repair tool for nuclear reactor components in a radiation resistant environment is less than 5%;
The drilling efficiency of PDC embedded drill bits in oil drilling has increased by 25%.
Lightweight structural components
Electric vehicle 1180 MPa high-strength seamless tube cold rolling mill, with a tensile strength 8-10 times that of ordinary steel;
High temperature resistant bearing rings for aircraft engines (working temperature 540 ℃).
Key processes and limitations
Core parameters of heat treatment:
Quenching: 1220-1240 ℃ salt bath treatment (strict decarburization control);
Tempering: 540-560 ℃ x 3 times (hardness 63-65 HRC);
Application boundary restrictions:
Limited toughness (impact value 8-12 J/cm ²), and materials with higher toughness need to be used for overweight impact conditions;
The grinding efficiency is 20% lower for steel grades with lower vanadium content.