Screen Floor Set 64.09.5000.103. Make- Indigenous. As Per Annexure Attached. With Mat Erial Containing Material En-32B, Composition Of Material Carbon Case Hardening Steel, Chemical Co Mposition In Percentage Carbon: 0.10-0.18, Si: 0.10-0.35, Mn: 0.6-1, Ni: 0.30 For Size Over 13Mm. Heat Tre Atment-Heat Treatment To Be Given To The 1 1/8 In. Diameter Test Bar, Black Carburise At Temp. Between 880 Degree Centigrade And 930 Centigrade, Refine At A Temperature Of 870/900 Degree Centigrade Cool In Air , O Il, Or Water. Harden In Water From A Temp. Of 760/780 Degree Centigrade. Mechanical Properyties-Tensil E Strength, Tons/Sq. Inch, Min. 32, Elongation Per Cent Min. 30, Izod Impact Value Ft.Lb, Min 40. ]