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3/32 X 3 GROUND FLAT STOCK £/18"
To BS 4659 B01
bars are goround to width +0-0.010" and thickness +/- 0.001"
lengths 6" up 18" and 3ft long some sizes
stock bars are annealled HB229 max
C Mn Cr W V
0.95 1.20 0.55 0.55 0.20
harden -Quench in oil from 780c to 820c
for hardness of Hrc 63/64
Temper for 1 hour at
150c HRc 62
200c " 60
250c " 58
350c " 56
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