Material – BS 660

Standard Specification for Steel Castings for General Engineering Purposes

Group - Ferrous Mild Steel Alloys

Sub Group - BS 660 Steel Castings for General Engineering Purposes

Application - Intended for Valve, Pump, General Engineering, Automotive and Other Industries

Grade Belongs to the Industry - Casting

Chemical Composition
CarbonC %0.100 - 0.150
SiliconSi %0.450 max.
ManganeseMn %0.400 - 0.700
PhosphorusP %0.030 max.
SulphurS %0.030 max.
ChromiumCr %0.300 - 0.500
MolybdenumMo %0.400 - 0.600
NickelNi %0.300 max.
CopperCu %0.300 max.
TinSn %0.050 max.
VanadiumV %0.220 - 0.350
IronFe %Balance
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Heat Treatment
As Cast or Annealing or Normalizing or Hardening and Tempering
Mechanical Properties
Tensile Strength in Mpa460 - 660
Yield Strength in Mpa295 min.
Elongation in %17 min.
Reduction of Area in %-
Hardness in BHN-
Impact in Joule-

Cross Reference Table

Material Standard Country Grade Belong to the Industry
B7 BS British Casting
2074/L5H AS Australia Casting
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