Description :
Tenders for Supply Of Chart For Determining The Inclusion Content Of Secondary Refined Steels,chart For Determining The Inclusion Content Of Air Melted Steel,grain Size Chart For Classification Of Steel Astm E 19,plate 1a Untwined Grain Flat Etch,plate 1b Untwined Grain Flat Etch,plate Ii Twined Grains Flat Etch,plate Iii Twined Contrast Etch,plate Iv Austienite Grains In Steel,plate Ir Sulphide Alumina Silicate Globular Oxide,plate 2,plate I Graded Series Photos Of Alloy And Killed Carbon Steels,plate Ii Ungrades Series Photos Of Alloy And Killed Carbon Steels,plate Iii Ungraded Series For Strand Cast Steel Transverse