230M07 PG / EN1A Precision Ground Bright ground freecutting steel


BS970: 1955 BS970: 1991 COLOUR CODE DESCRIPTION
230M07PG230M07 PGdashBright ground freecutting steel


CHEMICAL ANALYSIS
Car0.15 max
Sil0.05 max
Mang0.90 / 1.30
Phos0.09 max
Sul0.25 / 0.35
Chr-
Moly-
Nick-
Lead-


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 230M07 PG
BRITISH BS 970:1955 EN1A Precision Ground
GERMAN DIN 9SMn28
FRENCH AFNORS250
SWEDISH SS1912
AMERICAN SAE1214
EUROPEAN STEEL NO.1.0715
EUROPEAN STEEL NAME11SMn30
EUROPEAN STANDARDEN10277-3


QUICK VIEW SYSTEM
MACHINEABILITY200
WELDABILITYNot recommended
HARDENABILITYPoor
SELECTION GUIDE AND USAGE EXAMPLESRepetiton parts and shafts where the diameter tolerance is critical


SIZES.

Size (ins. dia) 1/45/163/87/161/25/83/47/811.1/81.1/41.1/21.3/42



Size (mm. dia) 6.008.0010.0012.0015.0016.0020.0025.0030.0035.0040.0045.0050.00