Macro Defects in Steel - Defects in Steel Products

Defects in Steel Products

Defects in steel products are defined as deviations in appearance, shape, dimension, macro-structure/micro-structure, and/or chemical properties when compared with the specifications given in the technical standards or any other normative documents in force. Defects are detected either through visual inspection or with the help of instruments and equipments.

There are four main metallurgical processes for the manufacture of finished steel products where the steel products can pick up defects. The defects picked up during these processes are (i) casting defects, (ii) rolling defects, (iii) forging defects, and (iv) welding defects. (Fig 1).

Spalling surface
Figure 1: Metallurgical processes and steel product defects.

Reference: Website http://ispatguru.com/metallurgical-processes-and-defects-in-steel-products, 2017.