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SG Iron- Continuously Cast Spheroidal Graphite Iron
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USASPEAD
USALED
USASPEAD 40M
USACASE 32M
USASPEAD 202
USACUT 55
USANGLE
MMC
USABEND
USAFLAT
USAMILD
USACASE
USEN 6
USAKEY
USASPEAD 40
USASPEAD 55
USAWELD
USALOY 16/USEN 16
USALOY 19/USEN 19
USALOY 4140/USEN 4140
USALOY 24/ USEN 24
USALOY 24T/ USEN 24T
USEN 31
NITROY 40B
USALOY 34/USEN 34
USALOY 36/USEN 36
USALOY 351/USEN 351
USALOY 8620/USEN 8620
MAC 416 Se
MAC 431 Se
MAC 303 Se
MAC 316 Se
MMC GREY CAST IRON
SG IRON
MMC SILVER STEEL
USASPEAD (Annealed)
USASPEAD N.S.O.H.
USASPEAD 'D2'
USAKEY(Bright Drawn)
Woodruff Keys
USAFOIL (Steel)
PLASTIC Shim
USAFOIL (Brass)
PENTON
LEADED GUNMETAL
PHOSPHOR BRONZE
Rounds As Cast
Squares As Cast
General
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Colour
Orange / Silver
As Cast
BS 2789: 1985: Grade 420/12, 500/7
Chemical Compostition
C
Mn
Si
S
P
Mg
Percentage
3.5
0.3
2.6
0.015
0.05
0.05
*The figures quoted represent the typical analysis range for SG Iron. The British standard does not specify chemical composition.
Form of Supply
As Cast:
3 metre lengths.
Sawn blanks and cut lengths as required.
Tolerances - Grey and SG Iron Grades
Up to 100mm.
-0mm+1.0mm
Over 100mm. to 200mm.
-0mm+1.5mm
Over 200mm. to 300mm.
-0mm+2.0mm
Over 300mm. to 400mm.
-0mm+3.0mm
Rounds As Cast Stock Size Range
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Size (mm dia)
50
60
75
80
90
100
120
140
150
160
170
180
190
210
220
240
Squares As Cast Stock Size Range
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Size (mm. Sq.)
50
60
80
100
150
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