Mouse over element names to get quick help on its effects in the alloy.
For comparison with other alloys open steel composition graph builder & analyzer.
Select steels from the Interactive Knife Steel Composition Chart.
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R2(Kobelco Steel) - PM Steel, also known as SG2. Apparently Kobelco supplies R2 to Takefu steel, which sells it under SG2 name. Hence the listings of the same knives as R2 or SG2 on different markets. Makers who work with R2 steel in custom knives forge it and different HT process compared with stamped SG2 blades, as such those knives should perform better. Working hardness up to 64HRC.
- Kobelco Steel R2 and equivalent steel knives reviews
Knife Steel Chart Mobile Support:Help & support for the Knife Steel Chart for Android.
Help & support for the Knife Steel Chart for iOS.
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