Specification for wrought steels in the form of blooms, billets, bars and forgings, Carbon and alloy spring steels for the manufacture of hot formed springs— 35 стр.
Specification for wrought steels for mechanical and allied engineering purposes, Requirements for steels for the manufacture of hot formed springs— 16 стр.
Specification for wrought steels for mechanical and allied engineering purposes, Requirements for steels for the manufacture of hot formed springs— 16 стр.