Steel StructureChina ASTM Hot Rolled Cold Rolled 201 304 304L 316L 316 309 321 310S 904L H Beam I Beam Steel Structural Steel Beams, Find details about China Stainless Steel I Beam, Stainless Steel H Beam from ASTM Hot Rolled Cold Rolled 201 304 304L 316L 316 309 321 310S 904L H Beam I Beam Steel Structural Steel Beams