ZHIFENGGANGGUANYINGWEN（Straightsteel pipe），YIBANHANGUAN：YIBANHANGUANYONGLAISHUSONGDIYALIUTI。YONGQ195、Q21、Q23GANG、Q235BPUTANZHIZAO 。ZHIFENGGANGGUANYONGYIYUHANJIE0317BIAOZHUNXINGHAO6012JIGANGMU755RUANGANGGONGTONGZHIZAO。GANGGUANYAOJINXINGSHUIYA、WANQU、YABIANDENGSHIYAN，DUIBIAOMIANZHILIANGYOU   YAOQIU，TONGCHANGJIAOHUOZHANGDUWEI4-10m，CHANGYAOQIUDINGCHI（HUOBEICHI）JIAOHUO。HANGUANDEGUIGEYONGGONGCHENGKOUJINGBIAOSHI（HAOMIHUOYINGCUN）GONGCHENGKOUJINGYUSHIJIBUTONG，HANGUANANGUIDINGBIHOUYOUPUTONGGANGGUANHEJIAHOUGANGGUANLIANGZHONG，GANGGUANANGUANDUANXINGSHIYOUFENDAILUOWENHEBUDAILUOWENLIANGZHONG。

MAIHUHANZHIFENGGANGGUANCAIYONGDEHANJIEGONGYIWEIMAIHUHANJISHU，CAIYONGTIANCHONGWUHANJIE，KELIBAOHUHANJIMAIHU。SHENGCHANDEKOUJINGKEYIDADAO1500mm,LSAWSHIMAIHUHANZHIFENGGANGGUANDEYINGWENJIANCHENG，MAIHUHANZHIFENGGANGGUANDESHENGCHANGONGYIYOUJCOECHENGXINGJISHU、JUANZHICHENGXINGMAIHUHANJISHU。DANGKOUJINGJIAODASHIKENENGYONGLIANGKUAIGANGBANJINXINGJUANZHI，ZHEIYANGHUIXINGCHENGSHUANGHANFENGDEXIANXIANG。KEYIZHIXINGDEBIAOZHUNGB/T3091-2008DIYALIUTIGANGGUANSHENGCHANBIAOZHUN，GB/T9711.1-2 -1997SHIYOU   QIGANGGUANSHENGCHANSHIYONGBIAOZHUN，HAIKEYIZHIXING   API 5L GUANXIANGANGGUANZHIXINGBIAOZHUN。SHENGCHANCAIZHI：Q19-Q345E；245R；Q345QA-D；L245-L485；X42-X70。CHENGYACANSHUZHUYAOYOU2ST/T ，SWEIQUFUQIANGDU，TWEIBIHOU。MAIHUHANYIJINGFAZHANCHENGWEI，YOUSHUANGSIMAIHUHAN，HAIYOUDUOSIMAIHUHAN，XIAOLV   JINYIBUTIGAO。