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Turning inserts and grades

Choosing the right turning insert grades determines cutting tool performance and is essential for achieving secure, efficient, and cost-effective turning operations. Which grade to use depends on the material to be machined, machining conditions, and the desired machining outcome. Sandvik Coromant offers a wide range of grades designed for different materials and cutting conditions, ensuring optimal tool life, productivity, and surface quality.

FAQ

What are turning insert grades?
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Turning insert grades are classifications that define the insert material, substrate, coating, and properties of cutting inserts used for metal turning. They influence wear resistance, toughness, and performance in specific applications. 

Why is selecting the right insert grade important?
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Selecting the correct grade ensures longer tool life, better surface finish, and higher productivity. Using the wrong grade can lead to premature wear, poor quality, and increased costs.

How do I choose the right turning insert grade?
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Choose the insert grade based on component material, machining method (finishing, medium, roughing), and conditions (good, average, difficult). Insert geometry and grade work together. Use the information on these pages as a starting point to find the right grade for your component.

Which insert grade is best for steel turning?
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Grades optimized for steel typically offer high wear resistance and toughness. Our steel insert grade assortment consists of CVD- and PVD-coated carbide grades for various machining conditions where steel turning insert grades GC4425, GC4415 and GC4405 deliver great performance. Learn more about Turning inserts and grades for steel on the dedicated page.

Knowledge articles for: Turning Insert & grade information