GB/T 699-2015 優質碳素結構鋼
本(ben)(ben)標準規定了優(you)(you)質(zhi)碳素結構鋼(gang)(gang)棒(bang)材(cai)(cai)的分類與代(dai)號,訂貨(huo)內(nei)容,尺(chi)寸、外形及(ji)重量,技術要求,試驗方法,檢(jian)驗規則,包裝、標志和(he)質(zhi)量證(zheng)明書。本(ben)(ben)標準適用(yong)于(yu)公稱直(zhi)(zhi)徑或厚度不(bu)大于(yu)250mm熱軋和(he)鍛制優(you)(you)質(zhi)碳素結構鋼(gang)(gang)棒(bang)材(cai)(cai)。經供(gong)需雙方協商,也可供(gong)應公稱直(zhi)(zhi)徑或厚度大于(yu)250mm熱軋和(he)鍛制優(you)(you)質(zhi)碳素結構鋼(gang)(gang)棒(bang)材(cai)(cai)(...