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ASTM
A27 Grade 70-40 Carbon
Steel Casting for General Application
Composition =
0.25 C max, 1.20 Mn Max, 0.80 Si Max, 0.06 S Max, 0.05 P Max
ASTM A148 - Grade 80-50
High Strength SteelCastings
for Structural Purposes
Composition =
C, Mn, Si, S per agreement; 0.06 S Max, 0.05 P Max
ASTM A958 - Grade 8620, Class 80/50
Steel Castings with Tensile and Chemical Requirements Similar to
Wrought Grades
Composition
= Min/Max Specified for C, Mn, Si, Ni, Cr, Mo; Max for S and P.
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