A36 Steel Rectangular Bar, Unpolished (Mill) Finish, ASTM A36 ASTM Merchant Bars Long Products Flat Bar Steel. The A36 carbon steel rectangular bar has been hot rolled, has an unpolished (mill) surface, meets American Society for Testing and Materials International ASTM A36 specifications, and has a standard tolerance.
Ss400 ASTM A36 Square Bar Steel 8X8 Carbon Steel Bar ASTM A36 / A36M - 19 Standard Specification for Carbon Ss400 ASTM A36 Square Bar Steel 8X8 Carbon Steel Bar. Scope. 1.1 This specification 2 covers carbon steel shapes, plates, and bars of structural quality for use in riveted, bolted, or welded construction of bridges and buildings, and for general structural purposes. 1.2 Supplementary requirements are provided for use