230M07Pb / EN1A Leaded Bright drawn leaded freecutting steel


BS970: 1955 BS970: 1991 COLOUR CODE DESCRIPTION
230M07 Pb Leaded Freecutting230M07PbmagentaBright drawn leaded freecutting steel


CHEMICAL ANALYSIS
Car0.15 max
Sil0.05 max
Mang0.90 / 1.30
Phos0.09 max
Sul0.25 / 0.35
Chr-
Moly-
Nick-
Lead0.15 / 0.35


INTERNATIONAL SPECIFICATION COMPARISON
BRITISH BS 970:1991 230M07Pb
BRITISH BS 970:1955 EN1A Leaded
GERMAN DIN 9SMn28Pb
FRENCH AFNORS250Pb
SWEDISH SS1914
AMERICAN SAE12L14
EUROPEAN STEEL NO.1.0718
EUROPEAN STEEL NAME11SMnPb30
EUROPEAN STANDARDEN10277-3


QUICK VIEW SYSTEM
MACHINEABILITY250
WELDABILITYNot recommended
HARDENABILITYPoor
SELECTION GUIDE AND USAGE EXAMPLESAs EN1A but where even better machining speeds, tool life and surface finish is required


SIZES.

Size (ins. dia) 1/83/167/321/49/325/1611/323/87/161/29/165/811/163/4
13/167/829/3215/1611.1/161.1/81.3/161.1/41.5/161.3/81.1/21.5/81.3/4
1.7/822.1/82.1/42.3/82.1/22.5/82.3/433.1/43.1/2   



Size (mm. dia) 3.004.005.006.007.007.238.009.009.2610.0012.0013.0014.0015.00
16.0017.0018.0019.0020.0022.0024.0025.0026.0027.0028.0030.0032.0035.00
36.0040.0042.0045.0050.0054.0055.0060.0065.0080.00    


Size (ins. A/F) 0.1870.2180.2480.2820.3240.3750.4370.4450.5000.5250.5620.6000.6250.687
0.7500.8120.8200.8750.9200.9371.0001.0101.0621.1001.2501.3001.5001.875
2.0502.2203.150           


Size (mm A/F) 457810121314161718192224
273032364146485055607080  


Size (mm sq) 1545