Super Metal Manufacturing Co. is an investor of EN39B Billets and Raw material. We are EN39B Black Bars case solidifying steel providers, conveying all through the India. EN39 B Black Round Bar is a 4.5% nickel, chromium, molybdenum review, appropriate for case solidifying to give a case safe surface with a high center quality up to 1310 N/mm². This review is usually provided as round bar. EN39A and EN39B are regular models for this review.