The Challenge of Difficult-to-Machine Alloys
Titanium and nickel superalloys are classified as difficult-to-machine materials due to their high strength at elevated temperatures, low thermal conductivity, work-hardening tendency and chemical reactivity with cutting tools. Incorrect machining parameters lead to rapid tool wear, built-up edge, surface smearing, residual stresses and white layer formation — all of which can compromise component integrity in critical aerospace and oil and gas applications.
Successful machining of these alloys requires specialist knowledge of cutting tool geometry, grade and coating selection, cutting parameters, coolant strategy (high-pressure through-spindle coolant is essential for titanium) and workholding to minimise vibration.
Successful machining of these alloys requires specialist knowledge of cutting tool geometry, grade and coating selection, cutting parameters, coolant strategy (high-pressure through-spindle coolant is essential for titanium) and workholding to minimise vibration.
Titanium Machining
Ti-6Al-4V is the most widely used titanium alloy, accounting for over 50% of titanium usage globally. It combines high strength (UTS 930-1170 MPa), excellent corrosion resistance and good fatigue strength at weights 40% less than equivalent steel components.
Applications: aerospace structural brackets and fittings, fasteners, landing gear components, biomedical implants, marine components and chemical processing equipment. India's specialist titanium machining facilities use coated carbide and PCD tooling with high-pressure coolant — essential for heat management in titanium cutting.
Applications: aerospace structural brackets and fittings, fasteners, landing gear components, biomedical implants, marine components and chemical processing equipment. India's specialist titanium machining facilities use coated carbide and PCD tooling with high-pressure coolant — essential for heat management in titanium cutting.
Inconel Machining
Inconel 718 is the most widely specified nickel superalloy for aerospace engine components, oil and gas downhole tools and industrial gas turbines. Its combination of high-temperature strength, corrosion resistance and oxidation resistance makes it irreplaceable for components operating above 650 deg C.
Inconel machining requires low cutting speeds, positive-geometry carbide inserts, high-pressure coolant and frequent tool changes. Our machining partners have optimised Inconel processes over years of aerospace and oil and gas component supply.
Inconel machining requires low cutting speeds, positive-geometry carbide inserts, high-pressure coolant and frequent tool changes. Our machining partners have optimised Inconel processes over years of aerospace and oil and gas component supply.
Documentation
AMS Material Certification, AS9100D Certificate of Conformance, CMM Dimensional Report, FPI Report (titanium), Heat Treatment Certificate, Full material traceability to heat/lot number, Certificate of Origin.
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AS9100D ISO 9001 NADCAP Capable Full Traceability CMM Inspected AMS Spec Compliant
HS Code
8108.90
India Origin
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