目前 鋼 鋼 圓 角 槽 鋼 鋼 圓 角 槽 附錄A（資料性附錄）常用黑色金屬材料標 GB912注：表1鋼板的名稱、牌號及規格1圖樣標記示例（無圖長×寬Q195A冷軋鋼板GB/Tt1.5GB/T11鋼板的名稱、牌號及規格1（續圖樣標記示例（無圖長×寬Q235B冷軋鋼板GB/TGB/T長×寬Q235B冷軋鋼板GB/T長×寬Q235B熱軋鋼板GB/T長×寬Q235B冷軋鋼板GB/T長×寬Q235B熱軋鋼板GB/T長×寬GB/T長×寬GB/T長×寬GB/TGB/TGB/TGB/TGB/TGB/TGB/TGB/TGB/TGB/TGB/T板厚圖樣標記示例（有圖Q235Bt30GB/TQ235Bt32GB/TQ235Bt34GB/TQ235Bt35GB/TQ235Bt36GB/TQ235Bt40GB/TQ235Bt45GB/TQ235Bt50GB/TQ235Bt55GB/TQ235Bt60GB/TQ235Bt65GB/TQ235Bt70GB/TQ235Bt75GB/TQ235Bt80GB/TQ235Bt85GB/TQ235Bt90GB/TQ235Bt100GB/TQ235Bt110GB/TQ235Bt120GB/TQ235Bt3GB/TQ235Bt3.5GB/TQ235Bt4GB/TQ235Bt4.5GB/TQ235Bt5GB/TQ235Bt6GB/TQ235Bt7GB/T熱軋花紋鋼板長×寬Q235Bt8GB/T注：熱軋花紋鋼板長×寬×8表2鋼管的名稱、牌號及規格1圖樣標記示例（無圖外徑φ32×2.520φGB/T22鋼管的名稱、牌號及規格1續圖樣標記示例（無圖外徑φ38×2.520φGB/Tφ42×2.520φGB/Tφ45×2.520φGB/Tφ50×2.520φGB/Tφ54×320φGB/Tφ57×320φGB/Tφ60×320φGB/Tφ63.5×320φGB/Tφ68×320φGB/Tφ70×320φGB/Tφ73×320φGB/Tφ76×320φGB/Tφ83×3.520φGB/Tφ89×3.520φGB/Tφ95×3.520φGB/Tφ102×3.520φGB/Tφ108×420φGB/Tφ114×420φGB/Tφ121×420φGB/T圖樣標記示例（有圖外徑φ20φGB/Tφ20φGB/Tφ20φGB/Tφ20φGB/Tφ20φGB/Tφ20φGB/Tφ20φGB/Tφ20φGB/Tφ20φGB/Tφ20φGB/Tφ20φGB/Tφ20φGB/Tφ20φGB/Tφ20φGB/Tφ20φGB/Tφ20φGB/Tφ20φGB/Tφ20φGB/Tφ20φGB/T圖樣標記示例（有圖外徑φ20φGB/Tφ20φGB/Tφ20φGB/Tφ20φGB/Tφ20φGB/Tφ20φGB/Tφ20φGB/T表31直徑圖樣標記示例（無圖熱軋圓鋼φ6.5Q235BφGB/T熱軋圓鋼φ8Q235BφGB/T熱軋圓鋼φ10Q235BφGB/T熱軋圓鋼φ12Q235BφGB/T熱軋圓鋼φ14Q235BφGB/T熱軋圓鋼φ15Q235BφGB/T熱軋圓鋼φ16Q235BφGB/T熱軋圓鋼φ18Q235BφGB/T331（續直徑圖樣標記示例（無圖熱軋圓鋼φ20Q235BφGB/T熱軋圓鋼φ22Q235BφGB/T熱軋圓鋼φ25Q235BφGB/T熱軋圓鋼φ28Q235BφGB/T熱軋圓鋼φ30Q235BφGB/T熱軋圓鋼φ32Q235BφGB/T熱軋圓鋼φ34Q235BφGB/T熱軋圓鋼φ36Q235BφGB/T熱軋圓鋼φ38Q235BφGB/T熱軋圓鋼φ40Q235BφGB/T熱軋圓鋼φ42Q235BφGB/T熱軋圓鋼φ45Q235BφGB/T熱軋圓鋼φ48Q235BφGB/T熱軋圓鋼φ50Q235BφGB/T熱軋圓鋼φ53Q235BφGB/T熱軋圓鋼φ56Q235BφGB/T熱軋圓鋼φ60Q235BφGB/T熱軋圓鋼φ65Q235BφGB/T熱軋圓鋼φ70Q235BφGB/T直徑熱軋圓鋼φQ235BφGB/T熱軋圓鋼φQ235BφGB/T熱軋圓鋼φQ235BφGB/T熱軋圓鋼φQ235BφGB/T熱軋圓鋼φQ235BφGB/T熱軋圓鋼φQ235BφGB/T熱軋圓鋼φQ235AφGB/T熱軋圓鋼φQ235AφGB/T熱軋圓鋼φQ235AφGB/T熱軋圓鋼φQ235AφGB/T熱軋圓鋼φQ235AφGB/T熱軋圓鋼φQ235AφGB/T熱軋圓鋼φQ235AφGB/T熱軋圓鋼φQ235AφGB/T熱軋圓鋼φQ235AφGB/T熱軋圓鋼φQ235AφGB/T熱軋圓鋼φQ235AφGB/T20、35、45、熱軋圓鋼φ20φGB/T20、35、45、熱軋圓鋼φ20φGB/T表41圖樣標記示例（無圖25×25×3GB/T3、30×30×3GB/T3、40×40×3GB/T3、4、45×45×3GB/T4、5、50×50×4GB/T4、56×56×4GB/T4、5、63×63×5GB/T5、6、70×70×5GB/T5、6、75×75×5GB/T6、7、80×80×6GB/T8、90×90×8GB/T8、GB/TGB/TGB/T10、12GB/T10、12GB/T40×25×3GB/T41（續圖樣標記示例（有圖3、GB/T4、5、GB/T6、GB/T6、GB/TGB/T8、GB/TGB/T8、10GB/T10、12GB/T表51Q235AGB/TQ235AGB/TQ235AGB/TQ235AGB/TQ235AGB/TQ235AGB/T551（續GB/T6.5GB/T8.5GB/TGB/TGB/TGB/TGB/TGB/TGB/TGB/TGB/T7.5GB/T9.5GB/TGB/T10GB/TGB/T11GB/T表6表61Q235AQ235AGB/TQ235AGB/TQ235AQ235AGB/TQ235AGB/TQ235AQ235AGB/TQ235AGB/TQ235A7.5GB/TQ235AGB/TQ235AQ235BGB/TQ235A8.5GB/TQ235A9.5GB/TQ235AQ235BGB/TH表7H1HQ235AH100×6×8Q235AH×8GB/THQ235AHQ235AH6.5×9GB/THQ235AH7GB/T7H1（續HQ235AHQ235AH×10GB/THQ235AHQ235AH7.5×11GB/THQ235AHQ235AH8GB/THQ235AHQ235AH5.5×8GB/THQ235AHQ235AH×12GB/THQ235AHQ235AH×9GB/THQ235AHQ235BH×14GB/THQ235AHQ235BH6.5×9GB/THQ235AHQ235BH×15GB/THQ235AHQ235BH×11GB/THQ235AHQ235BH×19GB/THQ235AHQ235BH×13GB/THQ235AHQ235BH×21GB/THQ235AHQ235BH×14GB/THQ235AHQ235BH×16GB/THQ235AHQ235BH×17GB/THQ235AHQ235BH×24GB/T表8表8鋼板的名稱、牌號及規格2板厚熱軋鋼板長×寬×24（無圖GB/Tt26（有圖GB/T注：上述鋼板需達到一定量方能訂貨。鋼板的長度和寬度超出GB/T708和GB/T709表9鋼管名稱、牌號及規格2圖樣標記示例（無圖外徑壁厚冷軋無縫鋼管φ20φ2GB/T冷軋無縫鋼管φ20φ3GB/T3、冷軋無縫鋼管φ20φ3GB/T3、冷軋無縫鋼管φ20φ3GB/T3、4冷軋無縫鋼管φ20φ3GB/TQ235A埋弧焊鋼管φQ235Aφ×6SY/TQ235A埋弧焊鋼管φQ235Aφ×6SY/TQ235A埋弧焊鋼管φQ235Aφ×6SY/TQ235A埋弧焊鋼管φQ235Aφ×6SY/TQ235A埋弧焊鋼管φQ235Bφ×6SY/TQ235A埋弧焊鋼管φQ235Bφ×6SY/TQ235A埋弧焊鋼管φQ235Bφ×6SY/T99鋼管名稱、牌號及規格2圖樣標記示例（有圖外徑壁厚Q235A埋弧焊鋼管φQ235Bφ×6SY/TQ235A焊接鋼管φQ235Aφ×2.5GB/TQ235A焊接鋼管φQ235Aφ×2.8GB/TQ235A焊接鋼管φQ235Aφ×2.8GB/TQ235A焊接鋼管φQ235Aφ×3.2GB/TQ235A焊接鋼管φQ235Aφ×3.5GB/TQ235A焊接鋼管φQ235Aφ×3.5GB/TQ235A焊接鋼管φQ235Bφ×3.8GB/TQ235A焊接鋼管φQ235Bφ×4GB/TQ235A焊接鋼管φQ235Bφ×4GB/TQ235A焊接鋼管φQ235Bφ×4GB/TQ235A焊接鋼管φQ235Bφ×4GB/TQ235A焊接鋼管φQ235Bφ×4.5GB/TQ235A焊接鋼管φQ235Bφ×4GB/TQ235A焊接鋼管φQ235Bφ×4GB/TQ235A焊接鋼管φQ235Bφ×4GB/TQ235A焊接鋼管φQ235Bφ×4GB/TQ235A焊接鋼管φQ235Bφ5GB/TQ235A焊接鋼管φQ235Bφ×5GB/T99鋼管的名稱、牌號及規格2（續圖樣標記示例（有圖外徑壁厚Q235A焊接鋼管φQ235BφGB/TQ235A焊接鋼管φQ235BφGB/TQ235A焊接鋼管φQ235BφGB/TQ235A焊接鋼管φQ235BφGB/TQ235A焊接鋼管φQ235BφGB/TQ235A焊接鋼管φQ235BφGB/TQ235A焊接鋼管φQ235BφGB/T注：無縫鋼管的長度在市場上不超過9m。牌號目前以20鋼為主，如用Q235A