This half-pipe tipping trailer is manufactured with Hardox® steel. Hardox is a new extra high-strength and durable steel. Lower in weight and higher in durability than ordinary mild steel, it is produced by SSAB Oxelösund. Chieftain is a registered member of HIMB “Hardox™ in my body” and all of Chieftain’s designs that utilize Hardox are SSAB approved. Please see Chieftain’s HIMB certificate for details.