??????? ?????? ?? ????? ????????
????? ???????? (???????? ?????) ??????? ????? ??????? ??????? ??????? GB / T 3458-2006 (???? ?? GB / T 3458-1982)
1 ????
????? ??? ??????? ????????? ???????? ???? ????????? ?????? ??????? ????? ????????? ???????? ??????? ???????? ?????? ???????? ??????.
????? ??? ??????? ???????? ?????????? ???? ?? ????? ???????? ????? ????????.
2 ??????? ?????????
??????? ??????? ????? ??? ??????? ????? ?? ???? ??????? ?? ??? ??????? ????? ?????? ???????? ??????? ???????? ????????? ??????? (???????? ?????????) ?? ????????? ?? ????? ??? ??? ???????? ??? ???? ?????? ?? ??? ??? ???? ???? ?? ??? ??????? ???? ?????? ??????? ??? ????? ??? ??? ???????. ?????? ?????? ??? ???????? ????? ???? ????????? ???? ???????.
GB / T 1480 ????? ??? ???????? ???????? ????? ????? ?????
GB / T 2596 ????? ????????? ???????? ????? ????? ????? ????? (????? ????? ????????) ???? (??? ?????? ??????????)
GB / T 3249 ???? ????? ??????? ???? ????? ????? ????? ???????? ???? ??? ????? ????
GB / T 4324 (???? ?????)? ??????? ????????? ??????????
GB / T 5314 ??? ??????? ????? ????? ???????
3 ???????
3.1 ???? ????????
3.1.1 ???????? ????? ????? ?????????? ??????? ?????? ??? FW-1? FW-2? ???-1 ???? ?????? FW-1 ?? ?????? ?????? ????? ???????? ?????? ?????? ???? ?????? ?????? ???????? ??? ??? ???? FW- 2 ?????? ???????? ?????? ????? ?? ?????? ???????? ???-1 ??? ?????? ?????? ???? ????????.
????? 3.1.2 ????? ???????? ???? ??????? ????? ??? 14 ??????? ??????.
3.2 ??????? ?????????
?????? ?? ??? ???????? ????? ??????? ????? ??????? ?????? 1.
?????? 1
???? (????) |
FW-1 |
FW-2 |
FWP-1 |
|
??????? (???????) |
Fe |
????????(fsss)<10um;0.0050 |
0.030 |
0.030 |
????????(fsss)≥10um;0.010 |
||||
Al |
0.0010 |
0.0040 |
0.0050 |
|
Si |
0.0020 |
0.0050 |
0.010 |
|
Mg |
0.0010 |
0.0040 |
0.0040 |
|
Mn |
0.0010 |
0.0020 |
0.0040 |
|
Ni |
0.0030 |
0.0040 |
0.0050 |
|
As |
0.0015 |
0.0020 |
0.0020 |
|
Pb |
0.0001 |
0.0005 |
0.0007 |
|
Bi |
0.0001 |
0.0005 |
0.0007 |
|
Sn |
0.0003 |
0.0005 |
0.0007 |
|
Sb |
0.0010 |
0.0010 |
0.0010 |
|
Cu |
0.0007 |
0.0010 |
0.0020 |
|
Ca |
0.0020 |
0.0040 |
0.0040 |
|
Mo |
0.0050 |
0.010 |
0.010 |
|
K+Na |
0.0030 |
0.0030 |
0.0030 |
|
P |
0.0010 |
0.0040 |
0.0040 |
|
C |
0.0050 |
0.010 |
0.010 |
|
O |
?????? 2 |
0.20 |
||
3.3 FW-1? ??? FW-2 ?????? ????? ??? ???????? ?? ????? ???????? ?? ???? ????? ?? ????? ?????? 2.
??????? ?????? (?????????). |
??? ????? ??????? ??? ????????/um |
???????? ??? ???? /? ≤ |
04 |
BET:<0.10 |
0.80 |
06 |
BET:0.10~0.20 |
0.50 |
08 |
Fsss: ≥0.8~1.0 |
0.40 |
10 |
Fsss:>1.0~1.5 |
0.30 |
15 |
Fsss: >1.5~2.0 |
0.30 |
20 |
Fsss: >2.0~3.0 |
0.25 |
30 |
Fsss: >3.0~4.0 |
0.25 |
40 |
Fsss: >4.0~5.0 |
0.25 |
50 |
Fsss: >5.0~7.0 |
0.25 |
70 |
Fsss: >7.0~10.0 |
0.20 |
100 |
Fsss: >10.0~15.0 |
0.20 |
150 |
Fsss: >15.0~20.0 |
0.10 |
200 |
Fsss: >20.0~30.0 |
0.10 |
300 |
Fsss: >30.0 |
0.10 |
?????? 1: ???? ?????? ??? GB / T 2596 ???? ????? ????? (????? ??? ????????) (??? ?????? ??????????). |
||
3.4 FW-1? FW-2 ??????? ?????????? ?? ??????? ????????? ?????? ????? ??? ???????? ?? ???? ????? ?????? ?? ??? ???????.
3.5 ???-1 ???? 0.075mm (-200 ????) ~ 0.045mm ??? ????? (+325 ????) ??? ?? 80? ???? ???????? ???????? ?? (4.0 ~ 8.0) ? / CM3.
3.6 ??????
3.6.1 FW-1? FW-2 ?????? ??????? ?????? ?? ??????? ??????? ?????? ?? ???? ???-1 ??? ??? ???? ????? ???????? ??????? ?????? ?? ???????? ??? ????? ????.
3.6.2 ???????? ??????? ??? ????? ?????.
4 ????? ????????
????? ??????? ????????? ???? ?????? ????? ???????? 4.1 ???????? / T 4324 ????.
4.2 ???????? ????? ????????? ????? ????? ???????? ???? ????? GB / T 3249 ?????.
?? ???? ????? ???????? 4.3 ????? ????? (????? ??Liaoduo) ???? ?????? GB / T 2596 ?.
4.4 FW-1? FW-2 ??????? ???????? ????? ????? ??? ???????? ?? ????? ????? ?????? ????? ?????? ?????.
4.5 ???-1 ??? ???????? ???? ?????? GB / T ??? ???? 1480? ????? ???? ???? ??????? ????? ?? ???? ??????? ???? ???????? ????? ??????.
4.6 ???? ????? ???????? ?????? ?? ???? ??????? ??????.
5 ????? ???????
5.1 ??????? ???????
?????? ?? ???? 5.1.1 ???????? ??????? ??? ?????? ?????? ????? ?? ???????? ???? ???? ??????? ??? ???????? ???? ????? ??????.
5.1.2 ???? ???? ???? ??? ?????? ??? ??? ?????? ???? ?????? ?????????? ????????? ??? ????? ????? ???????? ?????? ?? ????? ??? ??????? ??? ?? ???? ?? ????? ?????? ??????? ?? ???? ????? ???? ???? ??????? ?? ??? ??????? ??. ???????? ???? ???????? ???? ????? ????????? ?? ????? ??????.
5.2 ??????
????? ???? ?????? ??? ?????? ?????? ????? ?? ??? ??????? ?? ???? ???????.
5.3 ??? ??????? ?????? ???????
??? ????? ??????? ???? ?GB / T 5314 ??? ???? ??????? ??? ?????.
5.4 ????? ???????? ??????
????? ??????? ????????? ???????? ??????? 5.4.1 ??? ??? ?????? ?? ???? ??????? ??? ???????? ?? ?????? ?????? ?? ?????? ????? ??????. ???? ????? ????? ???????? ?? ??? ???? ???????? ????? ?? ???? ?? ???????? ????? ?????.
5.4.2 ?????? ??????? ????????? ????? ??? ???????? ?? ????? ????????? ??? ??? ??? ?? ??? ???? ???????? ?? ???? ?? ???????? ?? ?????? ?????? ??????? ????????. ????? ???? ???? ????? ????? ???????? ?? ??? ???? ???????? ?? ???? ?????? ????.
5.4.3 ?????? ??? ?????? ???? ?? ???? ???? ??? ????? ???????.
??? ??? 5.4.4 ???-1 ??? ??????? ????? ???????? ?????? ???????? ???? ??? ????? ???????? ?? ???? ??? ???? ????? ???? ????? ?? ??? ??????? ??? ???? ??????? ????? ????? ?????? ?? ?????? ????.
6 ??????? ??????? ???????? ?????? ????????
6.1 ?????? ??????? ???????? ????????? ??????? ????? ?? ????? ?????? ??????? ???????????? ??????? ?? ??? ?? ??? ??????? ?? ???? ???????.
??? ??? ????? 6.2 ?????? ??????? ????????: ??? ??????? ???? ?????? ?????? ??????? ???? ??????? ?????? ??????? ???? ??? ??? ?? "????"? "???"? ??????? ?? ?????? ????.
?????? ?? ????? 6.3 ?? ???? ?? ???????? ?????? ?? ???? ??????? ????? ??????:
?) ?????? ????? ???????? ?????? ???????.
?) ??? ??????? ????? ??????????.
?) ???
?) ????? ??????.
?) ??? ?? ??? ????????.
?) ????? ????? ????????? ??????? ?????? ?????? ??????.
?) ??? ????????.
?) ????? ?????.
6.4 ??? ??????? ??? ??? ??????? ?? ???? ?? ???? ?????? ????.
??? ?? ??? ????? 6.5 ?????? ?? ???? ??? ????? ??????? ???? ?????? ????? ?? ??? ???? ???????? FW-1? ??? ?? ?? ?????? FW-2 ???? ??????? ??? ????? ?? ????? ?? ???? ????? ???-1 ????? ????? ?? 12 ????.
??? ??? ???? ?? ????? ?? ????? ????????? ??? ????? ?? ??????? ??? ?? ???? ?????? ??????????: sales@chinatungsten.com or by telephone: +86 592 5129696
???? ?? ????????? >>