Quench and Tempering Steel
Document status: [ Inactive ]
Heat Treatable Steel
Document status: [ Revised ]
Heat Treatable Steel (Formerly OPEL 5145)
Ball and Roller Bearing Steel
Ball and Roller Bearing Steel (Formerly OPEL 52100)
Spring Steel
Document status: [ Not for New Design ]
Stainless Steel, Ferritic (Formerly OPEL 81415)
