С????????=?????????-?????????????\????????
С????????=?????????
??????????GB/T8162-1999???????????????е????????
???
????GB/T8162?????й???????
????ASTM A53???????????????????????
????ASME SA53 ??????????ˉ??????????淶
???????????????????????豸?????????е?????????
?????????
????10??20??35??45??Q345??15CrMo??12Cr1MoV??A53A??A53B??SA53A??SA53B
?????????????\????????
???????????????????????????????????????????????,??????г??????????,????????????綨??.
?????????????????????????????????????????????????????????????????????????????????????????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
|