Valve

Seat Insert

Valves Seat Insert

Manufactured from various Alloyed Steel. Our Valve Seat Inserts are resistant to high wear at a high temperature. Used in Alloy Aluminium & Cast Iron Cylinder Heads they serve well to extend the life of Valve Seats. They are manufactured maintaining closest dimensional tolerances thereby assuring longer life to an engine giving maximum efficiency and uninterrupted performance.





Production Range

Manufacturing Technology Shell Molding
Size Range
Outer Diameter 25 to 120 mm
Inner Diameter 20 to 100 mm
Total Length 05 to 30 mm
Heat Treatment Technology
Annealing, Normalizing, Hardening and Tempering, Carburizing, Gas Nit riding, Induction Hardening
Manufacturing Technology Centrifugal / Forging / Bar
Size Range
Outer Diameter 60 to 300 mm
Inner Diameter 40 to 280 mm
Length up to 450mm
Machining Technology
Duplex Grinding, Surface Grinding, Centreless Grinding, CNC Turning, VMC, HMC, Leaser Marking.

Material Grades

%Mo %Cr %Ni %Ph %W %V Hardness-Hrc Application
ALLOY CI - 01 1 - 1.3 0.10 - 2 0.25 - 0.5 0.3 - 0.8 NA NA 40 - 50 Inlet vsi small/medium engines
Cr STEEL -011 2 - 2.5 12 - 14 NA NA NA NA 29 - 34 Inlet / Exh medium engines
Cr STEEL -02 NA 19 - 21 1 - 1.6 0.3 - 0.8 NA NA 42 - 48 Inlet medium engines
Cr STEEL -03 2 - 2.5 30 - 35 NA NA NA NA 37 - 43 Inlet / Exh medium duty engines
TOOL STEEL 6 - 7 3.5 - 4.5 NA NA 5.5 - 6 1.3-1.7 38 - 48 Exh of medium duty engines
%Mo %Cr % Co %Fe %w %Ni
WELTITE 5 - 7 12 - 14 NA BASE NA 40-44 32 - 38 Inlet of heavy duty engines
ETONITE 9 - 11 25 - 28 9 - 11 9 - 14 9. - 11 BAL 45 - 55 Exh of heavy duty engines
55 Cr-45Ni Gr NA 55 45 NA NA NA 42 - 48 Inlet/Exh heavy duty/marine engines
TRIBALLOY 26 - 29 7.5 - 8.5 BASE 3 max NA 3 max 50 min Inlet/Exh heavy duty/marine engines
STELLITE NA 29 - 32 BASE 3 max 11. - 14 3 max 50 - 55 Inlet/Exh heavy duty/marine engines

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