Material – BS 3100 Grade BT3

Standard Specification for Steel Castings for General Engineering Purposes

Group - Ferrous Mild Steel Alloys

Sub Group - BS 3100 Grade BT3 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
PhosphorusP %0.030 max.
SulphurS %0.030 max.
IronFe %Balance
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Heat Treatment
As Cast or Annealing or Normalizing or Hardening and Tempering
Mechanical Properties
Tensile Strength in Mpa1000 min.
Yield Strength in Mpa695 min.
Elongation in %6 min.
Reduction of Area in %-
Hardness in BHN293 - 362
Impact in Joule20 J @ RT

Cross Reference Table

Material Standard Country Grade Belong to the Industry
Grade E75 BS British Casting
H40 BS British Pipe and Tube
Grade E75 ONORM Australia Pipe and Tube
H40 ONORM Australia Pipe and Tube
Grade E75 BDS Bulgaria Pipe
H40 BDS Bulgaria Pipe and Tube
H40 CSN Czech Republic Pipe and Tube