Hi
I am working for a fabrication company in South Africa. We have BS970: 709M40 (EN19) material 140mm in diameter, 230mm wide. We have done induction hardening and the client specification requires 350HB, +/-20HB. After the hardening was done we have an average of 430HB, how can we reduce this back to the required value of 370HB, please advice.
Regards
Amos.Q Majola
Quality Control Manager
Cell: (+27)79-8897173
Tel: (+27)16-986 8205
e-mail: amos@turnmill.co.za
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