905M39 / EN41B Black 1.1/2% chromium aluminium molybdenum nitriding steel


BS970: 1955 BS970: 1991 COLOUR CODE DESCRIPTION
EN41B905M39orange/blackBlack 1.1/2% chromium aluminium molybdenum nitriding steel


CHEMICAL ANALYSIS
Car0.35 / 0.43
Mang0.40 / 0.65
Phos0.025 max
Sul0.025 max
Chr1.40 / 1.80
Moly0.15 / 0.25


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 905M39
BRITISH BS 970:1955 EN41B
GERMAN DIN  
FRENCH AFNOR 
SWEDISH SS 
AMERICAN SAE 
EUROPEAN STEEL NO. 
EUROPEAN STEEL NAME 
EUROPEAN STANDARD 


QUICK VIEW SYSTEM
MACHINEABILITY45
WELDABILITYNot recommended
HARDENABILITYMedium strength nitriding
SELECTION GUIDE AND USAGE EXAMPLESRollers, ball joints and shackle pins


SIZES.