???????? ?????
???????? ?? ?????? ????? ???????? ???????? ??? ???? ??????? ?? ??? ???? ?????? ????? 27. ??? ????? ?? ?? ??????? ??????? ??? ???????? ?????? ??? ??????? ??? ?????? ??????? ???? ????????? ?????????? ???????? ????? ????? ?? ???? ??????? ??? ??? KOBOLD ? ??? ???????? ?? ??? ???????? ??????? ???? ?????? ??? 1735 ?? ??? ???? ?????.
?????? ???????? ?? ????? ??????? ???????????? ??????? ????????? ?????? ?????. ???????? ?????? ???? ????? ?????? ?????? ?????? ??? ?????? ?????????? ???????? ?????????? ????????. ????????-60 ?? ???? ??? ??? ??????? ??? ?????? ?????? ?????? ???? ???? ????????? ???????.
???????? ?? ???? ????? ??? ????? ???????? ?????? ??????? ????? ??? ?? ????????? ???????? ??? cobalamins. ????? ??? ??????? B-12 ??? ??? ????? ????????. ???????? ?? ???? ??? ???????? ???? ?????????? ????????? ?????????? ????? ?? ???? ?????? ???????? ??????? ????? ????? ??????.
???????? ????? ???????:
?????? ????? ???????? * ?? ??? ????? ???? ????? ?????? ???????? ????? ????????? ????? ?????? ???? ????????? ???
* ?????? ??? ???? ???? ?? ???????? ???????? ?? ????? ?????? ?????
????? ????? ????????:
???? |
F.s.s.s(um) |
??????% Max. |
????????% |
????? ???? g/in3 |
|
Type A |
Type B |
||||
Co06 |
0.6-0.9 |
0.6 |
≥99.8 |
7-9 |
8-11 |
Co12 |
1.0-1.4 |
0.5 |
≥99.8 |
8-10 |
11-13 |
Co25 |
2.0-3.0 |
0.4 |
≥99.8 |
9-13 |
13-15 |
??????? ?????? ?????? ????????:
?????? |
Max. % |
?????? % |
C |
0.03 |
0.02 |
Ca |
0.02 |
0.005 |
Cu |
0.01 |
0.005 |
Fe |
0.03 |
0.008 |
Mg |
0.01 |
0.002 |
Mn |
0.01 |
0.001 |
Na |
0.02 |
0.005 |
Ni |
0.02 |
0.01 |
S |
0.005 |
0.0005 |
Si |
0.01 |
0.002 |
??? ???? ?????? ????????:
???? % |
99.0 |
???? ???????? °C |
1495 |
???? ??????? °C |
2900 |
????? G/Cm3 |
8.92 |
????? ??????? @ 20 °C |
253 |
Coef. of Exp. @ 20 °C |
12.5 x 10-6 |
??????? ???????? ???? ???-?? |
6.24 |
?????? ???????? |
????? |
???? |
????? ??????? |
??? ??? ???? ?? ????? ?? ????? ????????? ??? ????? ?? ??????? ??? ?? ???? ?????? ??????????: sales@chinatungsten.com or by telephone:+86 592 5129696.
???? ?? ?????????>>