Helle Steel Specifications
I'm occasionally asked what type of steel is used in the core of the Helle laminated
blades. It is blended especially for Helle, and does not correspond to any of
the standard types. For the technically minded, the composition is:
C-0.7%, Si-0.70%, S-0.002%, P-0.19%, MN-0.44%, Ni-0.28%, Cr-14%, Mo-0.52%.
The non-laminated blades are Sandvik 12C27.
C-0.6%, Si-0.4%, MN-0.4%, CR-13.5%
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