Carbon steel round bar Specifications:ck45(s45c, c45), s20c, c60, st52-3, astm a105, 16mncr5 and so on. Delivery condtion:hot forged+normalzied+rough machined. Size:dia180mm- dia700mm. Steel ingot:eaf+lf+vd. Ultra-sonic test: as per sep 1921 group iii c/c As forged condition straightness: 4mm/m, rt bar straightness: 2mm/m As forged diameter tolerance: -0/+8mm; rt diameter tolerance:-0/+3 mm Grain size: as per astm e112-96 grade 5 or finer for normalized/annealed/qt condition Non-metal inclusion: as per astm e45 a/b/c/d heavy 2, thin 2.5 Quantity: 15mt or double per size Mill certificate as per en 10204/3.1.B Payment:l/c at sight. Delivery time:within 70 days after l/c date. Size:170mm to 700mm