27SiMn???????426*45?????????????????????
27SiMn???????426*45???????????
27SiMn???????426*45 ???68?? ???:????0510-88268136
27SiMn???????426*45??? ????????г????(?????????)
27SiMn???????:
27siMn??????????б??GB/T17396-1998?????????????ú???????????????????????????????????????
20??45??27SiMn???
????27siMn?????????????????????????????????????????????????????????????????????????????????????????辭????????????????????????????????????????????????????????????????????????????????????????????????е??????е????????. ????HB285?????????????????? 27siMn???????????????????? ???? ??? ????????? ?? ?? ??????(????????)(??) C Si Mn Cr Mo Ni B V ???? siMn 8 A1O272 27siMn O??24??O??32 1.10??1.40 1.10??1.40 ???? ??? ?? ?? ?????????磯mm ????? ??????? ??????????????????????HBSl00??3000?? ?? ?? ?? ?? ????????b??MPa ??????s??MPa ????????5(??) ???????????(??) ???????Aku2??J ??????????C ????? ?????????? ????? ????δ?? ????δ?? ?? SiMn 27SiMn 25 920 ? 450 ????? 980 835 12 40 39 217 ??????????25??920????450???? ????1000MPa,????850MPa??????12????????????40?? ak 490.3kJ/m2?? ???? Ac3 880 Ar3 750 ?????? J HRC36/16mm 10%??? 45????55mm ?????? 25????35 ?????????HBS10/3000 <=217
?????????????????????????????????????????????????????????????????????????????????????????С???????????????????????????????????????????????????????????,??????????????20#??45#??16MN??Q345??A/B/C/D/E????27SIMN??15CrMO??12Cr1MOV??10CrMO910??304??304L??316??316L??321??P11??P22??P91??T91.??й???GB8162-99?????GB8163-99????????????ù?????????GB3087-99??GB5310-85????????ˉ?ù??GB5312-8???ù??...
???????????0510-88264321??88223334 ???棺0510-88223334 ?????18921237777
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