a572 grade 50 steel platform to build mill
Jan 31, 2005 · ASTM A572 Grade50,55,60 HSLA Structural Steel Plate-AGICO. ASTM A572 Specification refers to High-Strength Low-Alloy Steel Plate for structural building, among the 5 steel grades of 42, 50, 55, 60 and 65, Grade 50 is one most common steel in applications where need more strength and less weight, use steel plate of this grade other than ordinary carbon steel will make the
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a572 grade 60 hea beams specification