To eliminate the change of hardness from super
heat generated in friction welding and to get the
proper high strength in coupling, ASAN takes high
tensile strength over 100§¸·f/§±
through quenching & tempering by HRc 30.
Also, after Q/T treatment thread part both pin
and box to be induction hardened at HRC 50
hardness.
[Heat Treatment]
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Copyright ¨Ï 1999, Asan Friction Welding Co., Ltd. Admin call to ASAN@asanfw.com 982-5 Keumsan-Ri, Waekwan,
Chilgok-Gun, Kyongbuk, Korea
Tel:+82-54-974-3325~6 ¡¡Fax:+82-54-974-3324
