Tender For supply of steel blanks to is: 1570 (pt-ii) latest version, grade 40cb, p60, size 220+ 0.5 mm od x 190+ 0.5 mm le , steel blanks to is: 1570 (pt-ii) latest version, grade 40cb, p60, size 190+ 0.5 mm od x 70+ 0.5 mm le , steel blanks to is: 1570 (pt-ii) latest version, grade 40cb, p60, size 220+ 0.5 mm od x 80+ 0.5 mm le , steel blanks to is: 1570 (pt-ii) latest version, grade 40cb, p60, size 70+ 0.5 mm od x 100+ 0.5 mm le