Process for the heat-after treatment of a pig iron port

Details Process for the heat-after treatment of a pig iron port Process for the heat-after treatment of a pig iron port

1988-02-11

1990-08-14

Yee, Deborah

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

148134, C21D 500

Patent

active

049484370

ABSTRACT:
A iron alloy material for the manufacture of brake drums, specially of massive and ventilated brake discs and other braking bodies, which has a pearlitic structure with a 5% maximum portion of ferrite, and a tensile strength of at least 200N/mm.sup.2 and consists essentially of:

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