Khetha i-42Crmo kunye ne-40CrNiMo i-alloy materials.Ukunyangwa, ukucwangciswa komatshini, unyango lobushushu, ukudutyulwa kokudubula kunye nokunye ukusetyenzwa ukuphucula ukuxhathisa kwe-Abrasion kunye nokumelana nempembelelo yeemveliso, kunye nokwandisa ubomi babo benkonzo.