Steel strap composition and manufacturing process

A heat treated steel strap usable in a strapping machine has a tensile strength of at least about 170 KSI, and an elongation of at least about 6.5 percent. The steel strap is fabricated from a coiled steel reduced by cold rolling. The strap has a composition of 0.30 to 0.36 percent carbon, 0.90 to 1...

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Bibliographische Detailangaben
Hauptverfasser:	VAN HOUTEN, JON E, KAMMER, RAINER, KRUSE, ERICH, MILLER, DENNIS A
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
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Beschreibung
Zusammenfassung:	A heat treated steel strap usable in a strapping machine has a tensile strength of at least about 170 KSI, and an elongation of at least about 6.5 percent. The steel strap is fabricated from a coiled steel reduced by cold rolling. The strap has a composition of 0.30 to 0.36 percent carbon, 0.90 to 1.25 percent manganese, and 0.75 to 1.10 percent silicon. The strap is heated to a temperature of about 815 DEG C to about 900 DEG C and quenched to a temperature of about 370 DEG C to about 510 DEG C. The strap has a seal joint break strength of about 4350 pounds when the strap has a width of about one inch and a thickness of 0.030 inches. A method for forming the strap is also disclosed.