钢材种类规格.ppt
§25钢材的种类和规格,2019/6/6,1,七 钢材的规格,1 热轧钢板 “ 宽×厚度×长度”,2,2 热扎型钢 1)工字钢,如 “I20a”,2019/6/6,3,2) 槽钢 ,如 “ 20b”,2019/6/6,4,槽钢相拼,2019/6/6,5,3)角钢 等肢角钢,如 “63×5”,2019/6/6,6,等肢角钢相拼,2019/6/6,7,不等肢角钢,如 “125×80×8”,2019/6/6,8,不等肢角钢长肢相拼,2019/6/6,9,不等肢角钢短肢相拼,2019/6/6,10,4) 钢管 ,如 “273×5” 5) H型钢,如 “HK300×300×11×19” “HZ200×100×5.6×8.5”,2019/6/6,11,