Method of making heat treated stainless steel needles

Details Method of making heat treated stainless steel needles Method of making heat treated stainless steel needles

1993-10-05

1995-05-02

Yee, Deborah

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

606222, 163 5, C21D 602, C21D 926

Patent

active

054116139

ABSTRACT:
Surgical needles are produced from martensitic precipitation-hardening stainless steel and then vacuum heat treated and vacuum cooled to increase its tensile strength while retaining the polished surface of the needle. A needle made by this process is also disclosed.

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