65Mn 碳素结构钢是一个用途广泛的钢种,具有较高的综合力学性能,可用于锯片、弹簧、刀具等行业。唐山国丰热轧薄板厂生产的65Mn钢板搜狗彩票,在下游用户由3. 5 mm 厚度冷轧3. 1 mm 时偶尔出现断裂现象,无法继续轧制。为此对钢卷产生缺陷的部位进行分析,结果得出冷轧开裂产生的关键原因是材料内部组织片状珠光体偏大,通过减少钢中夹杂物,有利于提高材料的塑性。
2 SHIYANFANGFA
( 1) HONGGUANJIANCE。CHAKANGANGJUANDUANLIEQINGKUANG,CAIJITUPIANJINXINGHONGGUANJIANCE。
( 2) JIAZAWUJIANCE。ZAIKAILIEBUWEIQUSHIYANGBINGDUIDUANMIANJINXINGPAOGUANG,JINXINGJIAZAWUPINGJI。
( 3) KAILIEDUANKOUXINGMAOHENENGPUFENXI。KAILIECHUQU10mm × 10 mm SHIYANG,JINXINGDIANJINGDUANKOUXINGMAOFENXI,BINGDUIDUANKOUJINXINGNENGPUCHENGFENFENXI。
( 4) JINXIANGFENXI。ZAIGANGJUANKAILIEBUWEIJIEQUJINXIANGSHIYANGMOZHI、PAOGUANG,ZAIJINXIANGXIANWEIJINGSHANGJINXINGJINXIANGGUANCHA。
( 5) LIXUEXINGNENGJIANCE。ZAI65Mn LENGYABANSHANGQU250mm × 25 mm LASHENSHIYANG,CEDINGSHIYANGDEKANGLAQIANGDU、QUFUQIANGDU、DUANMIANSHOUSUOLV。
3 JIEGUOYUTAOLUN
3. 1 HONGGUANJIANCE
GUANCHALENGYADIYIDAOCIKAILIEYANGBAN,DUANLIEQUEXIANZAIGANGBANBIANBU,QISHIFANGXIANGYUYAZHIFANGXIANGCHUIZHI,DUANLIEYANKUANDUFANGXIANG,SHENDUYUE200 mm CHUZONGXIANGKAILIE,CHENGWANYUEXING,BIANBUHENGLIE,KUANDU1 ~ 3 mm,SHENDU300mm ZUOYOU,LIEWENKUANDUROUYANKEJIAN。
CAILIAOZHONGDEJIAZAWUYINQIGANGDEGEXIANGYIXING,QIEYUJITIDEJIEHEXINGJIAOCHA,DUANLIEWANGWANGSHICONGTIAOZHUANGJIAZAWUYUJITIJIEMIANCHUCHANSHENGDEXIANWEILIEWENKAISHIDE。
( 2) ZUZHIZHONGZHUGUANGTIPIANJIANJUYUEDA,DUIWEICUOYUNDONGDEZUAIJIANXIAO,SUXINGBIANXINGKANGLIJIANXIAO,CAILIAODESUXINGYUEDI。
搜狗彩票( 3) TONGGUOYOUHUALF GAICHULIGONGYI,BAOZHENGJIAZAWUCHONGFENBIANXING,BAOZHANGRUANCHUISHIJIAN,SHIJIAZAWUCHONGFENSHANGFU; JIAQIANGLIANZHUQUANCHENGBAOHUJIAOZHU,BAOZHENGJIAOZHUGUOCHENGWENDINGXING,FANGZHIZHONGJIANBAOJIJIEJINGQIYEMIANBODONGZAOCHENGJUANZHA,YINGXIANGGANGSHUICHUNJINGDU。TONGSHIJIANGDIZHONGYAWENDUHEJUANQUWENDU,YOUXIAODITIGAOLECAILIAODESUXING,GAISHANLECHANPINZHILIANG,CHEDIXIAOCHULELENGYALIEWENXIANXIANG。http://jledai.com
搜狗彩票