????????????{?????????}???????????
????????????
????????GB ????????GB 20#????????
?????????:
????????????????????-??????-???????-0510-88268136
??????????
?????????????-?????????????-??????????????-????????????????-????????????????????0510-88268136
?????????????????219-1000mm?????20-300mm?????????????????219-1600mm?????20-300mm?????????????????600-2000mm?????80-600mm???????20#??35#??45#??16Mn??27SiMn??15CrMo??42CrMo??40Cr??12CrMoVG????????????-???????????????
????????ASTM A53 Gr.B????????????ASTM A106/A53 Gr.B????????????????? Bs1387-1985 ???erw?????????п??? ASTM A333 -40??-101??????????.??ASTM A179?????????????????????. ?????????5.8??????6?????????????12????????????????????????
??????1/2??-28??,21.3-711.2mm?????SCH30??SCH40??STD??XS??SCH80??SCH160??XXS etc. ?????????????б??????????????????????????????????????????
?????????????????????????????????????????????????????????????????????????????????????????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
|
?????λ???
?? ? ? ?? 
