4MMX 300MM GROUND FLAT STOCK £/500MM
£75.63 EX VAT
Out of stock
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