无码人妻精一区二区三区_亚洲日韩一区二区三区_AV午夜久久蜜桃传媒软件_无码人妻视频一区二区三区

�???????????�??

?o�???�?|???

??????

�|?�?? > ?o�???�??�?? > ??1?�????�???'�??o???

304???�??�????-�?�?o???

  • 304???é??é????-è§?è?o???
  • 304???é??é????-è§?è?o???
  • 304???é??é????-è§?è?o???

?o�?????????

?�?????????-�?�?o???

?o�????-??o�???A?o�

??o?o|?-??o�???8?o�

??1�?1????o|???8-120

�???o|???5.6-60???mm???

�?o?o1�???????M5-M100

???????????�???GB6170-86

???????-??o�??????�??�?? A4-70

�?��???�??????????????�????

???�????��?????
  • ?o�???�?|???
    • ...

304???�??�????-�?�?o???

304???é??é????-è§?è?o???

304???�??�????-�?�?o??????????-|??????

???�?? % �?? �?? ??3 �?� ??? ??? ?�? ??�
304 ????�? 8 18 a?? a?? a?? a?? a?? a??
????�� 10.5 20 0.08 2 1 0.03 0.1 0.035

304???�??�????-�?�?o??????????????��??

????o| 7.93g/cm3
?????1 1398-1454 a??

 304???�??�????-�?�?o?????�????????????�???????o??�??��?????????�????

???�?? ????????o?o|RmN/mm?2 ?�??????o?o|RP0.2N/mm?2 ?????????A5 % ????�?????o|HB
304 520 205 40 a?�187

 304???�??�????-�?�?o??????�????�???????????1??�

 �?????�?????????o??????????0Cr19Ni9 (0Cr18Ni9)???�??�???????????????�?�????�??�??????�??�???????????�?2�????��?????200?3??????????�??�????????�|???o???�??�???????1�???1????�?????????????�??????�????????�??�??�??�????��?????�??????????????�?'�??�????��???????2????????2?-???-????�???�???????????-?�????????????��????????????�????????�????o|-196?�C~800?�C??????

 304???�??�????-�?�?o????o???��????'?o???��?????

 1???304????o???�?????o?1??3????????�?�??-�?????�??�??????????o????�???��???1??3????�???????????�???�???????�??�????????????�???��????????????-�?1??3??????�?o??�????????????��??�?��????????�???????????�????????

 2???�???????�?o?�????????????�??????�?-????�??�????? ??�???�????????????�???��?????????????�??? ???????????-??�????3??o1??????????o-??�??????1???2?�?�???�?????�????????�???????o??????-?�'??�???�??????????'??????????�?�?|�????????�?????�?�??�????????�??�????�?????????????????????�??�?????o??????????-|???�??????�????????????????�?1�??�?�???????-????304???�??�????o??????�?�??????�??????o�???�??�?????

 3???304???�??�???1??3???�?o??1?????????�???????�?�?????????????o?-???��?????

??��??�??�??