How to select the right turning grade for Cast Iron based materials?

A mapping of Cast Iron Turning grades and how to select the right one.

Material grouping and Grades references for Cast Iron

SMG K (Cast Iron) is divided in 7 sub-groups, to capture specific material characteristics and reduce the complexity of every specific material.

Based on grade portfolio, you can find a starting grade recommendation which can be optimized depending on the application, based on below mentioned grade mapping.

SMG	Description	Reference
K1	Grey cast iron	EN-GJL-250
K2	Compacted graphite irons (CGI)	EN-GJV-400
K3	Malleable cast iron (MCI)	EN-GJMB-550-4
K4	Nodular cast irons (SGI)	EN-GJS-500-7
K5	Austempered ductile irons (ADI)	EN-GJS-1000-5
K6	Austenitic lamellar cast irons	EN-GJLA-XNiCuCr15-6-2
K7	Austenitic nodular cast irons	EN-GJSA-XNiMn23-4

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Mapping of Cast Iron Turning grades

cast iron turning grades

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