User talk:ARSSteels

Welcome to Wikimedia Commons, ARSSteels!

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-- Wikimedia Commons Welcome (talk) 11:42, 27 September 2021 (UTC)

What is D Quality in TMT Bars?

In the Fe 550 & Fe 550D the term “Fe” denotes Iron,”550” stands for the minimum yield stress in N/mm2 and the letter “D” denotes that such bars have higher values of ductility (higher UTS/YS & % Elongation). These bars have lower percentages of sulphur and phosphorus which are harmful for steels used in construction. — Preceding unsigned comment added by ARSSteels (talk • contribs) 05:50, 17 March 2022 (UTC)