ralcosteels.comralcosteels.com/images/catlogue2.pdf · 2017-09-24 · The base steel material shall...
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ralcosteels.comralcosteels.com/images/catlogue2.pdf · 2017-09-24 · The base steel material shall be hot dipped galvanized Zinc coated thickness as per ASTM A525-G90 (Zinc coated