Composition:
0.60 % carbon,
0.7% manganese,
0.90% chromium,
0.30% silicon
Heat treating characteristics:
1525 F critical
600 F austempering
63 Rockwell C as quenched
Advantages:
This is a wonderful tool steel - high resistance to warpage, very tough, and
typically used in leaf springs, hence it adds flexibility.
Source:
Acquired from the usual steel suppliers. Typically, a 1.5" x
1/4" thick bar x 22' is under $75, which means that a normal knife blank runs
maybe $3..$5. There is little motivation to recycle old leaf springs to get
5160! |