?????????????299*243??????????
???????????????????????????????????????????????????????ˉ????????????????????????????????????β???????????????????? ???????????????????????????????????????????????????????β?????????????β??????? ????????????????????Ρ????????ε?????????????????????760mm??????????????? ??β???б??????ε??????????????????????а???????????????????塢??????????????д??????????????????????????????????????????????????
????????ù??|???????????????
????10# 0.07~0.13 0.17~0.37 0.35~0.65 ??0.035 ??0.035
????20# 0.17~0.23 0.17~0.37 0.35~0.65 ??0.035 ??0.035
????35# 0.32~0.39 0.17~0.37 0.35~0.65 ??0.035 ??0.035
????45# 0.42~0.50 0.17~0.37 0.50~0.80 ??0.035 ??0.035
????40cr 0.37~0.44 0.17~0.37 0.50~0.80 ??0.035 ??0.035 0.08~1.10
????25Mn 0.22~0.2 0.17~0.37 0.70~1.00 ??0.035 ??0.035 ??0.25
?????????????????????????????????????????????????????????????????????????????????????????????????????????????????,???и????ˉ????????????????;???????????и?????????????????????п????????? ?????ι??????????????????????????????????????????????????????????????????????????????????????????? ?????????????????????????????????????????????. ?????????????????????????????????????????????????????????????????????????????????????10#??20#??35#??45#??16Mn??27SiMn??10CrMo910??15CrMo??35CrMo????й???GB/T8162-99?????GB/T8163-99??????GB/T3087-99?е???? ˉ???GB/T5310-95?????ˉ???GB/T6479-2000??????ù??27SiMn???????????????GB/T9948-85????????GB9948-88??????????????. ?????????????????? ?硡????0635-8878611 2126991??2126992 ??????: 0635-2126992 ???????13589464666??13780734515 13506350422 ???????????? ?????????д??????3??13??
???????????£?
?????? ?????????? ???????????????????? ?????????????????
|