Carbon Steel Solid Round Bars: AISI 1020( or S20C) , 1045( or S45C) , 1518, 4130, 4140, ST52-3, S355J2H Diameters up to 990mm. Emails for Sales Enquiries: = = = = = = = = = = = = Joanne.sales@ yihefa.com.sg Yang.sales@ yihefa.com.sg Yihefa@ singnet.com.sg Tansh@ yihefa.com.sg