焊材烘干温度时间表教学内容.doc

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1、精品好文档，推荐学习交流淄博业翔工贸有限公司常用焊材烘干温度及保温时间 类别牌号温度（℃）时间（h）碳钢和低合金钢焊条J4221501J4263001J4273501J5021501J506、J5073501J506RH、J507RH350～4301J507MoW3501J5573501J556RH4001仅供学习与交流，如有侵权请联系网站删除谢谢5精品好文档，推荐学习交流J606、J6073501J607RH350～4001J7073501J707RH4002低温钢焊条W607、W7073501钼和铬钼耐热钢焊条R

2、207、R3073501R307H4001R317、R407、R5073501铬镍不锈钢焊条A1021501A1072501A1321501A1372501仅供学习与交流，如有侵权请联系网站删除谢谢5精品好文档，推荐学习交流A202、A3021501A207、A3072501A002、A022、A212、A2421501铬不锈钢焊条G2021501G2072501G3021501G307200～3001熔炼焊剂HJ4312502HJ350、HJ260300～4002HJ250300～3502烧结焊剂SJ101300～

3、3502SJ102仅供学习与交流，如有侵权请联系网站删除谢谢5精品好文档，推荐学习交流SJ1033502SJ601300～350Therearefourpeopleinmyfamily.Theyaremyparents,myelderbrotherandI.Mymotheris1housewife,andsheworksthe2(hard)inmyfamily.I3(usual)helpherwiththehouseworkonweekends.Myfatherisa4(teach).Hehasmanylovely5

4、(student).Andheloveshisjobverymuch.Mybrotheris6actor.Hehas7(work)forfiveyearsandhelivesinanotherflat8(lonely)now.Heoften9(invite)ustogotohishometohavedinner.Iamamiddleschoolstudent.Ienjoy10(play)tennisinmysparetime.Myfamilymembershaveacloserelationship.Ihaveaha

5、ppyfamily.Myparentscareaboutmystudyverymuch.WhenIdoverywellin1exam,myparentscelebrate2forme.Mymotherusuallycooksadeliciousmeal3myfatheralways4(give)meabookasapresent.HeknowsthatIam5(interest)inreadingbooksverymuch.Buttheyalsothinkitisimportanttodevelop6(person)

6、independence.Forexample,someparentsdon’texpecttheirchildrentodothehouseworkathome.Becausetheythink7mostimportantthingforthemisto仅供学习与交流，如有侵权请联系网站删除谢谢5精品好文档，推荐学习交流studywell.Butmyparentshavedifferent8(opinion).Theyalwaysaskmetohelp9thehouseworkathome.SoIcanlookaf

7、ter10(I)well.仅供学习与交流，如有侵权请联系网站删除谢谢5