4.0MM DIA SILVER STEEL £/330mm

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4.0MM DIA SILVER STEEL £/330mm

330mm or 2m To BS 1407 1970 Tollerance +0-0.018mm C Mn Cr 1.2 0.4 0.4 can be used unhardened if required harden at 770 - 780c and quench in water temper 150-300c hard 120 150 200 250 300 350 400c 66 65 64 62 59 56 54 50 63 63 62 61 58 55 53 48 all HRC values