低温下具有超高强度和优良韧性的q355b合金钢管及其制造方法

　　BENPCTSHENQINGYAOQIU2006NIAN4YUE3RITIJIAODEMEIGUOFEILINSHISHENQINGNo.11/395,322 DEYOUXIANQUAN。

　　FAMINGBEIJING

　　1.FAMINGLINGYU

　　BENFAMINGSHEJIZAIDIWENXIAJUYOUCHAOGAOQIANGDUHEYOULIANGRENXINGDEq355bHEJINGANGGUAN，HAISHEJI ZHIZAOZHEIZHONGGANGGUANDEFANGFA。SUOSHUGANGGUANTEBIESHIYONGYUZHIBEIQICHEYUESHUXITONGDERONGQIZUJIAN， QIYIGELIZISHIQICHEANQUANQINANGDEQITIFASHENGQI。

　　LINGWAI，KAIFABINGCESHILEKETIHUANDEDITANGANGZUHEWU、DIHEJINLEIXINGHEBUTONGDERECHULIGONGYIYIJIANGDIZHIZAOCHENGBEN。

　　2.XIANYOUJISHUDEJIANYAOMIAOSHU

　　RIBENZHUANLIGONGKAINo.10-140249[SHENQINGRI1996NIAN11YUE5RI]HERIBENZHUANLIGONG KAINo.10-140283[SHENQINGRI1996NIAN11YUE12RI]GAIKUODIMIAOSHULEBEIRENWEIKEYIYONGYU QICHEANQUANQINANGDEQITIFASHENGQIDEGANGHUAXUE。ZHEIXIEWENJIANTIDAOZHONGDETIAOJIANSHIMEIYOURE CHULI、XIAOCHUYINGLIHEBIAOZHUNHUAHUOCUIHUOHEHUIHUO。ZHEIXIECHUBANWUMEIYOUTIDAOJINJINCUIHUOZUO WEIRECHULIBUZHOUDEKENENGXING。ZAIZHEIXIEQUANLIYAOQIUZHONGMEIYOUTIDAOJIXIEXINGNENG。ZAISUOYOUSHI SHILIZHONGJINSHISHILI#21SHICUIHUOHEHUIHUODEGANG，DANSUOBAOGAODEUTSJINWEI686MPa (99ksi)。JISHIZAISHISHILI#26ZHONGSUOTIGONGDEGAOJIXIEXINGNENGYESHIXIANGDUIDIDE，QIZHONG UTSDEDAZHIWEI863MPa(125ksi)。YINCI，ZHEIXIECHUBANWUSHEJIXIANGDUIDIDEDENGJI (QIWANGDEMUBIAOSHI590MPa(86ksi))。LINGWAI，ZHEIXIECHUBANWUXIANSHILEZAI-40℃XIASHI YONGLUOCHUI(DW)XINGYABIANSHIYANDEDAODEDIWENXIADEYANZHANXING。MUQIANBEIJIESHOUYONGYUZHENGMINGDI WENXIAYANZHANXINGDECESHISHIPOLIESHIYAN，QIZAIXIANSHICUIXINGFANGMIANGENGYOUXIAO。XIANGXINZAIZHEIXIEWEN JIANZHONGSUOXIANSHIDEDABUFENSHISHILIDOUSHIZAIJINGGUODWSHIYANHOUBEICHENGZUOYOUYANZHANXINGDE，ER SHISHISHANGZAIPOLIESHIYANZHONGBUHUIBIAOXIANCHUDIWENXIADEYANZHANXINGWEI，YOUYUBUFUHEZHENGFUDEGUI ZHANG(LIRUUS DOT)ERBUJUYOUYONGYUMOUXIEANQUANQINANGQITIFASHENGQIYINGYONGDEZIGE。

　　RIBENZHUANLIGONGKAINo.2001-49343[SHENQINGRI1999NIAN10YUE8RI]BEIRENWEIJIEJUELE JINYONGYUZHIBEIDIANZUHANJIEGUANDEGANG(ERWGONGYI)。QUANLIYAOQIUXIANDINGLEERWGONGYIDEGE ZHONGFANGMIANYIJIKEXUANZERECHULIJINXINGBIAOZHUNHUAHUOCUIHUOHEHUIHUO，KEXUANZEDEHOUXULENGLA， KEXUANZEDEHOUXURECHULI(BIAOZHUNHUAHUOCUIHUOHEHUIHUO)。GAIWENJIANJIEJUELEJINLIANGZHONGBUTONGDE， FEICHANGCHANGJIANDEGANGHUAXUE，YIGESHIDITANGANG，LINGYIGETIDAOLEGEZHONGHEJINYUANSUDEGONGTONGXIAN ZHI。GAIWENJIANMEIYOUANSHIJINJINCUIHUORECHULIDEKENENGXING。TIGONGLEDUOGESHISHILIDUICAILIAO JINXINGCUIHUOHEHUIHUO，DANSUODEDAODEJIXIEXINGNENGXIANGDUIDI。ZAICUIHUOHEHUIHUOSHIYAN#18ZHONGSUO DEDAODEDAJIEGUOSHI852MPa(123ksi)。

　　XIANGXINZAIJP 10-140249、JP 10-140283HEJP 2001-49343ZHONGJUNYOUSumitomo TICHUDEGANG“HUAXUE”YIJIHOUMIANZAIKondoDENGRENZAIUS6878219 B2HUOGONGKAIWEIUS 2005/0039826 A1DELIANXUSHENQINGZHONGSUOJIANDINGDEGANGHUAXUE，SHISHISHANGXIANDINGLEJUYOUZHEIXIEKUAN FANWEIDEGANG，YIBAOKUOZAI1990NIANZHIQIANYIJINGZAIMEIGUOZHIZAOHEXIAOSHOUDESAE 1010TONGYONG GANG。ZHENGRUZAISUOTIDAODESHENQINGZHONGSUOMIAOSHUDE，SHENQINGRENZHIDAOSHIYONGXIANDAIJISHUZHIZAOSAE 1010GANGDENGJITONGCHANGBAOZHENGPLIANGDIYU0.025，SLIANGDIYU0.01。