070M55 / EN9 Bright / black "55" carbon steel


BS970: 1955 BS970: 1991 COLOUR CODE DESCRIPTION
EN9070M55yellow/whiteBright / black "55" carbon steel


CHEMICAL ANALYSIS
Car0.50 / 0.60
Sil0.10 / 0.40
Mang0.50 / 0.90
Phos0.05 max
Sul0.05 max


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 070M55
BRITISH BS 970:1955 EN9
GERMAN DIN CF53
FRENCH AFNORCX55
SWEDISH SS1674
AMERICAN SAE1055
EUROPEAN STEEL NO.1.1203
EUROPEAN STEEL NAMEC55E
EUROPEAN STANDARDEN10083-1


QUICK VIEW SYSTEM
MACHINEABILITY55
WELDABILITYSeek advice
HARDENABILITYSmall sizes suitable for induction hardening
SELECTION GUIDE AND USAGE EXAMPLESHigher medium tensile strength with good wear resisting properties. cams, gears and sprockets


SIZES.

Size (ins. dia) 5/83/4