K-SPAN PPGI STEEL COILS - conforming to ASTM A 653-05 Structural quality (SS) , suitable for rollforming , prre-painted recommended. Minimum base material to be ASI 1018, preferably use AISI 1020 . Minimum elongation is to be 22 %, 25 % - 30 % is deal. Hardness range shall be 70-78 Rb. Coil Weight- Max 2.2MT, as per MIC UBM 240 & MIC UBM 120 Steel Coil Specificiations.