碳钢管内外q355b合金钢管及其制造方法

　　BENFAMINGTICHUDETANGANGGUANNEIWAIq355bHEJINGANGGUANJIQIZHIZAOFANGFASHUYUGONGYEYONGFANGFUGUANDAOFUHEGUANJISHULING YU。

　　TANGANGGUAN、DIHEJINGUAN、HEJINGANGGUAN、ZHUTIEGUAN、YINGSULIAOGUANZAIFANGFUDEGONGYEYONGHEMINYONGGUANDAOZHONGGUANGFANSHI YONG，ZHEIXIEGUANDAOQIANGDUGAO、GANGDUDA、ZAOJIADI，TONGCHANGKEYIMANZUYIBANDESHEJIYAOQIU，RANER，TAMENDEBUZU ZHICHUSHINAIFUSHIXINGCHAHUOBUNAIFUSHI，ZAISHIJIDEFANGFUGONGCHENGZHONG，HAIXUDUIZHEILEIGUANDAOJINXINGNEIWAIFANGFUCHULI， TONGCHANGZHEILEIGUANDAODEWAIFANGFUCAILIAOZHUYAOYOU：LIQING、HUAXUETULIAO、SULIAO、JUYIXIJIAODAI、DUXIN、DUNIEDENG; ZHEILEIGUANDAODENEIFANGFUCAILIAOZHUYAOYOU：HUAXUETULIAO、SHUZHISHAJIANG、BOLI、DUXIN、DUNIEDENG。ZHEIXIEFANGFUCAILIAO SUIRANDUIYUGUANDAODEFANGFUQIYIDINGDEZUOYONG，DANCUNZAIDEQUEDIANSHI：ZHEIXIEFANGFUCAILIAODABUFENCUNZAIHUAXUELAOHUAXIAN XIANG，FANGFUCENGYITUOLUO，SHOUMINGBUZHANG;FEIJINSHULEIDEFANGFUCAILIAOQIANGDUDI，YIFUSUN，BINGQIETAMENBUNAISUAN、JIAN YIJIGEZHONGFUSHIJIEZHIHUNHEWUDEFUSHI，FEIJINSHULEIFANGFUCAILIAOYEBUSHIYINGJIAOGAODEWENDUHUANJING;SHANGSHUNEIWAIFANG FUCHULIDEGUANDAOHANJIELIANJIEHOUFANGFUBUKOUKUNNAN。

　　MUQIAN，YIJINGTICHULESHANGSHUGUANDAOCAIYONGNEIWAIq355bHEJINGANGGUANDAODECUOSHI，RUSHENQINGHAOWEI97247903.1DE SHIYONGXINXINGZHUANLI“GUANDAOFANGFUCENG”，QIJISHUNEIRONGSHIZAIJINSHUGUANDAODELIANGCEMIANHANJIEBUXIUGANGDUANJIETOU、GUANDAO NEIWAICAIYONGHOUDUWEI1mmYISHANGDEq355bHEJINGANGGUAN，YIJINEIWAIq355bHEJINGANGGUANYUBUXIUGANGDUANGUANTONGGUOHANJIEMI FENGLIANJIE。ZHEIZHONGJINSHUGUANDAOCAIYONGNEIWAIq355bHEJINGANGGUANDEJIEGOUJIBENKEYIJIEJUEGUANDAONEIWAIDEFANGFUWENTI，DAN HAICUNZAIZAOJIAGAO、NEIWAIq355bHEJINGANGGUANYUZHONGJIANDEGUANDAOJIEHEBUGOULIXIANGDENGBUZU。

　　BENFAMINGZHUANLIDEMUDESHIZHENDUISHANGSHUXIANYOUJISHUZHONGDEBUZU，TICHUYIZHONGGENGJINGJIHEXINGNENGGENGJIADETANGANGGUAN NEIWAIq355bHEJINGANGGUANJIEGOUJIQIZHIZAOFANGFA。

　　BENFAMINGRUCIDEDADAO：

　　YIZHONGTANGANGGUANNEIWAIq355bHEJINGANGGUAN，QIZHONGJIANWEITANGANGGUAN1，TADELIANGCEDUANJUYOUHANJIELIANJIEDEBUXIUGANG DUANGUAN2，TANGANGGUAN1DENEIWAIYUANZHOUBIAOMIANSHANGJUYOUNEIWAIq355bHEJINGANGGUAN3、4，GAINEIWAIq355bHEJINGANGGUAN3、4 YUSHANGSHUDEBUXIUGANGDUANJIETOU2TONGGUOHANJIEMIFENGLIANJIE，QITEZHENGZAIYU：

　　1)GAINEIWAIq355bHEJINGANGGUAN3、4DEHOUDUWEI0.2-0.4mm，BINGQIEQIZHANGDUBITANGANGGUAN1DELIANGCEDUANGE ZHANGCHU10-30mm;

　　2)GAITANGANGGUAN1DELIANGCEDUANDEHANJIEDEBUXIUGANGDUANGUAN2DEZHANGDUYINGDANGBIZHUANGRUDENEIWAIq355bHEJINGANGGUAN 3、4DELIANGCEDUANGEZHANGCHU30-50mm;

　　3)GAITANGANGGUAN1DENEIWAIYUANZHOUBIAOMIANYUNEIq355bHEJINGANGGUAN3DEWAIYUANZHOUBIAOMIANHEWAIq355bHEJINGANGGUAN4 DENEIYUANZHOUBIAOMIANZHIJIANGEJUYOUYIZHANJIECENG5。