JIS B 0001

JIS B 0001 is a Japanese industrial standard that defines the basic dimensions, tolerances, and specifications for steel pipes and hollow sections. It ensures uniformity and quality in manufacturing so that pipes from different producers fit and function correctly in construction, engineering, and plumbing applications. Essentially, it provides a common framework for the sizes and standards of steel pipes, facilitating safe, reliable, and compatible use across various industries in Japan and internationally.