浜у??涓??

璐?姘?浣???澧ㄩ?搁??杞ц?
璐?姘?浣???????璐ㄤ腑???ヤ??????般???????肩???????绱?锛?瀹??锋?????剁?缁?(璐?姘?浣?+灏???椹??浣?)?轰?锛?姣?????浣?????杞ц?寮哄害?撮?锛??ф?ф?村ソ锛???纾ㄦ?т????炬??楂????????ㄩ?????搁????绂诲??搁????浜с??璐?姘?浣?????杞ц????ㄤ?灏??????㈣?杞с??妫???涓?涧????甯﹂?㈢簿杞с??楂???绾挎??棰?绮捐涧?????垮????杞с??
??瀛︽???? wt.%
浠g?? (GB/T 1504) | C | Si | Mn | Cr | Ni | Mo |
SGA I | 2.9-3.6 | 1.2-2.2 | 0.2-0.8 | 0.2-1.0 | 3.01-3.50 | 0.5-1.0 |
SGA II | 2.9-3.6 | 1.0-2.0 | 0.2-0.8 | 0.3-1.5 | 3.51-4.50 | 0.5-1.0 |
?ц?藉??搴???/p>
浠g?? (GB/T 1504) | 杈?韬?‖搴?/p> | ????寮哄害 | ??澶ц???m | ??澶у????t | ?ㄩ?? |
SGA I | 55-78 | ??50 | ?1350 | 35 | 灏??????㈣?杞с??妫???涓?涧?????㈢簿杞с??楂???绾挎??棰?绮捐涧?????垮????杞?/p> |
SGA II | 60-80 | ??50 |