https://www.xpyjiping.com/blog/Steel procurement and specification articlesenhttps://www.xpyjiping.com/blog/compare-steel-supplier-quotations/https://www.xpyjiping.com/blog/compare-steel-supplier-quotations/Tue, 20 Oct 2026 02:52:00 GMTCompare steel quotations on specification, weight basis, processing, inspection and delivery scope. Includes a comparison table and a worked procurement example.https://www.xpyjiping.com/blog/astm-a500-vs-a53-pipe-tubing-buyers-guide/https://www.xpyjiping.com/blog/astm-a500-vs-a53-pipe-tubing-buyers-guide/Tue, 20 Oct 2026 02:52:00 GMTUnderstand the different scopes of ASTM A500 and A53, identify missing RFQ details, and review a practical pipe-versus-structural-tubing purchasing checklist.