1018 1020 1045 1518 Cold Drawn Polished Bright Mild Carbon Round Steel Bars for

1018 1020 1045 1518 Cold Drawn Polished Bright Mild Carbon Round Steel Bars for

ZHONGNENG UNION Product Name Q235 ASTM A36 S235jr Q345b S355jr SAE1020 SAE1045 Carbon Round Iron Rod/Square Steel Bar Standard JIS, AISI, ASTM, DIN, TUV,BV,SUS,etc Material Q195, Q215,Q235,Q345,ST37, ...