Heating system for drill steel pipe billet and heating method thereof

MICROTREATMENT OF IRON-BASED ALLOY, APPARATUS AND METHOD THEREFOR AND ARTICLES RESULTING THEREFROM

Steel sheet temperature control device and temperature control method

Apparatus for microtreatment of iron-based alloy

LASER-HARDENED FILLET-ROLLED CRANKSHAFT

Packaging bore for eliminating washout failure

Tie strap with hardened integrated rivet for a saw chain

Thermal treatment method for micromechanical horological parts

Fabrication process of coated stamped parts

METAL HEAT TREATING METHODS AND DEVICES

METHOD FOR REDUCING STRESS IN A CONDUIT BRACE ASSEMBLY

Microtreatment of iron-based alloy, apparatus and method therefor, and articles resulting therefrom