API 20F: A Stockholder’s Perspective

API 20F: A Stockholder’s Perspective

To give the full title: API Specification 20F: Corrosion-Resistant Bolting for use in the Petroleum and Natural Gas Industries, latest edition (2nd) May 2018 (Effective date 1 November 2018). This standard defines the requirements for the qualification, production and...
Round Bar Diameter Tolerances Explained

Round Bar Diameter Tolerances Explained

Don’t know your k9 from your h11? Then read on…. All steel bar is purchased to a nominal size (meaning the thickness or diameter depending on whether the bar is flat, square, round, hexagonal, etc). However, due to various types of finishing process that can be used...