???????????? ?????
???? ?????? ?????????? ?????? ???
????? ????????????
????? ???????????? ???? ??? ?? ??? 1778 ?? ??? ??????? ??????? ???? ????? ???? ????. ??? ????? ?? ????? ???? ?? ?????? ???????????? ?? ???? ??????? (?????)? ???? ???? ???? ????? ?? 1782 ???? ??? ????? ??????? ?? ?????? ????? ????? ????? ???? ????? ???? ????????????.
?? ????? ??? 1900. ????????? ???????? ????????? ??????? ??????? ???? ?? ????? ?????? ?????? ???? damage.It ?? ???????????? ???? ????? ?????? ?????? ?????? ????????? ????? ????? ?? ?????? ?? ??? ????. ????? ??? ???????????? ???? ????? ??? ????? ?? ????? ????? ????? ??????? ????? ???. ???????? ??? ??????? ???????????? ?????????? ??? ??????? ???? ???????????? ????? ????? ?? ?????? ??????? ?????? ?????????. ???? ????? ??? ?????? ?? ???????? ????????? ?????? ?? ????? ????? ??????? ?? ???? ???? ?? ?????????? ?? ????? ????? ?????.
????? ????????????
???????????? ?? ???? ??? ?????? ????????. ?? ???? ?????? ?? ?? ????? ????? ???? ??? ????? ????? ???? ?? ???? ???? ?????? (2623 ° C / 4753 ° F) ?? ???? ???????. ??? ?? ????? ???? ???? ???? ?????? ?? ???????? ??? ???? ???? ????? ?????? ???????? ??? ???? ?? ??? ?????? ??? ???? ?? ??????? ?????? ?? ???? ???????.
???????????? ???? ?????? ?? ????? ????? ???? ?? 760 ???? ?????. ??? ?????? ?????? ?? ???? ??????? ???? ????? ???? ????? ??? ??????? ????? ?????? ?? ????????? ??? ???? ??? ????? ????? ???? ??????. ????? ????? ???? ????? ?????? ???? ????????? ????? ??? ???? ???????? ??????? ???????????? ???. ????? ????? ????? ??? ???? ????? ?? ?????? ???????????? ?? ????? ????? ?? ????.
???? ??????? ?? ???????????? ??? ????? ?? ????? ????? ???????? ??????? ?????. ???? ??? ??????? ??? ????? ?? ?? ??? ??? 8? ???????????? ?????? ???? ???? ??? ??? 300?000 ???? ??? ???? ?????. ??? ??? ???? ??? ?? ????? ?? ????? ????? ??????. ?? ??????? ?????? ????? ???????????? ????? ?? 0.5? ??? 8?? ????? ??? ??????? ????????. ?????? ?????? ?????? ???? ????? ?? 78? ?? ??????? ?????? ????????????.
?????? ??????? ????????? ??????? ????????????
:
?????? |
Wt% |
|
Al |
?0.002 |
|
C |
?0.007 |
|
Cr |
?0.0025 |
|
Cu |
?0.002 |
|
Fe |
?0.01 |
|
Ni? |
?0.004 |
|
W |
?0.03 |
|
Co |
?0.002 |
|
Mg |
?0.001 |
|
Mn |
?0.001? |
|
O2 |
????? |
??? |
?0.15 |
?0.08 |
|
Mo |
99.95 ???? ?????? ???????? ??????? |
|
??????? ?????????? ??????? ?? ????? ????????????:
? |
?????* |
???* |
||
????? ??? ???????? ?? ??? ???? ??????? ?????? ???? |
||||
FSSS ??? ???? |
2.0 – 3.5 |
3.5 – 6.0 |
||
???????? ??? ???? |
>0.60 |
>0.60 |
||
???? ??????? g/In3 |
12 – 25 |
15 – 30 |
||
??????? ??????? g/cc |
1.9 – 3.5 |
2.0 – 4.0 |
||
????? ???? |
>150 |
0–2% |
>150 |
0–2% |
<150 |
98% Min |
<150 |
98% Min |
|
??? ??? ???? ?? ????? ?? ????? ????????????? ??? ????? ?? ??????? ??? ?? ???? ?????? ??????????: sales@chinatungsten.com or by telephone:+86 592 5129696.
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