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工(gong)字鋼(gang)也稱(cheng)為(wei)(wei)鋼(gang)梁(liang)（英文(wen)名稱(cheng) Universal Beam)，是截面為(wei)(wei)工(gong)字形狀(zhuang)的(de)長條鋼(gang)材(cai)。工(gong)字鋼(gang)分普通工(gong)字鋼(gang)和輕型工(gong)字鋼(gang)。是截面形狀(zhuang)為(wei)(wei)工(gong)字型的(de)型鋼(gang)。

工(gong)(gong)(gong)字(zi)(zi)鋼(gang)(gang)主要(yao)分為普通(tong)工(gong)(gong)(gong)字(zi)(zi)鋼(gang)(gang)、輕(qing)型(xing)工(gong)(gong)(gong)字(zi)(zi)鋼(gang)(gang)和寬(kuan)翼(yi)緣(yuan)(yuan)工(gong)(gong)(gong)字(zi)(zi)鋼(gang)(gang)。按(an)翼(yi)緣(yuan)(yuan)與(yu)腹板(ban)高度(du) 比又(you)分為寬(kuan)幅(fu)、中幅(fu)、窄(zhai)幅(fu)寬(kuan)翼(yi)緣(yuan)(yuan)工(gong)(gong)(gong)字(zi)(zi)鋼(gang)(gang)。前二(er)者生產的規格(ge)為10—60號，即 相應的高度(du)為10 cm—60 cm。在相同高度(du)下(xia)，輕(qing)型(xing)工(gong)(gong)(gong)字(zi)(zi)鋼(gang)(gang)翼(yi)緣(yuan)(yuan)窄(zhai)、腹板(ban)薄、重 量(liang)輕(qing)。寬(kuan)翼(yi)緣(yuan)(yuan)工(gong)(gong)(gong)字(zi)(zi)鋼(gang)(gang)又(you)稱(cheng)(cheng)H型(xing)鋼(gang)(gang)，斷面特(te)點是(shi)兩腿平行(xing)，且腿內側沒(mei)有(you)斜度(du)。 它屬于經(jing)(jing)濟斷面型(xing)鋼(gang)(gang)，是(shi)在四輥萬(wan)能(neng)軋(ya)機上(shang)軋(ya)制(zhi)的，所以又(you)稱(cheng)(cheng)“萬(wan)能(neng)工(gong)(gong)(gong)字(zi)(zi)鋼(gang)(gang)”。普通(tong)工(gong)(gong)(gong)字(zi)(zi)鋼(gang)(gang)、輕(qing)型(xing)工(gong)(gong)(gong)字(zi)(zi)鋼(gang)(gang)已經(jing)(jing)形(xing)成國家標準。

山東信誠飛宇(yu)金屬材料有(you)限公(gong)司(si)在制(zhi)造工(gong)藝、設備裝(zhuang)備。檢測手段。計量(liang)(liang)能力等方面均(jun)達國(guo)內領先水(shui)平，為產品提供可靠地質量(liang)(liang)保(bao)證。并獲得中華(hua)人民共和國(guo)交(jiao)通部頒發的(de)“全國(guo)質量(liang)(liang)管理達標證書”，“交(jiao)通工(gong)程批(pi)量(liang)(liang)制(zhi)造合格證書”及“省級重合同守信用(yong)企業”、“縣(xian)先進企業”等多(duo)種榮譽(yu)稱號。