WC6 - What does WC6 stand for? The Free Dictionary
References in periodicals archive
The samples chosen were from aluminum alloy D16 with a CM WC6 coating (hard-alloy coating) and steel 30CMSA.
The experimental results of the recording and processing of AE resultant signals in CM surface layers during friction of WC6 type agree well with theoretical studies.
They could call the different models the WC2, the WC4, WC6
and WC8 as well as making an over-priced sports toilet called the PP.