HM 46, DIN 51 502 H, U.S.STEEL 126, U.S.STEEL 127, Sperry Vickers I-286-S, HOESCH HWN 2333, Thyssen TH N-256 132, Denison Filterability TP 02100, SEB 181222, DIN 51 524-2 HLP, ISO 6743/4 HM, CETOP RP 91H HM, AFNOR NF E 48-603 HM