 |
Beryllium
Bronze Bar:
Specification£º
§¶5-§¶10¡Á1000-3000
§¶11-§¶30¡Á1000-2000
§¶31-§¶200¡Á500-2000
chemical composition
£º
| chemical
composition £º |
Be
1.8-2.0%
Ni+Co 0.2% Min
Ni+Co 0+Fe 0.6% Max
Others 0.5% Max
Cu+Ag Balance
|
(Beryllium
1¡£8~2.0%)
(Nickel+Cobalt ¡Ý0.2%)
(Nickel+Cobalt+iron¡Ü0.6%)
(Plumbum 0.2-0.6%)
(Other impurity ¡Ü0.5%)
(Surplus Copper) |
| Alloy |
Hardness |
Heat
treatment |
Pull
intensity |
Bend
intensity |
Extent
rate |
Electric
rate |
| 25
C17200
and
M25
C17300 |
A
(TB00)
|
|
42-60 |
14-25 |
20-60 |
15-19 |
|
H
(TD04)
|
63-92 |
52-74 |
8-30 |
15-19 |
| 63-88 |
52-74 |
8-30 |
15-19 |
|
59-85 |
52-74 |
8-20 |
15-19 |
| 59-85 |
52-74 |
8-20 |
15-19 |
| AT
(TF00) |
3hr
315-330 |
116-141 |
91-124 |
3-10 |
22-28 |
|
HT
(TH04) |
2-3hr
315-330 |
130-159 |
112-141 |
2-9 |
22-28 |
| 126-155 |
108-138 |
2-9 |
22-28 |
| 123-152 |
105-134 |
4-9 |
22-28 |
| 123-152 |
101-131 |
4-9 |
22-28 |
| 165
C1700 |
A
(TB00) |
|
42-60 |
14-25 |
20-60 |
15-19 |
|
H
(TD04) |
63-92 |
52-74 |
8-30 |
15-19 |
| 63-88 |
52-74 |
8-30 |
15-19 |
| 59-85 |
52-74 |
8-20 |
15-19 |
| 59-85 |
52-74 |
8-20 |
15-19 |
| AT
(TF00) |
3hr
315-330 |
105-134 |
87-109 |
3-10 |
22-28 |
|
HT
(TH04) |
2-3hr
315-330 |
119-148 |
101-131 |
2-5 |
22-28 |
| 119-148 |
101-131 |
2-5 |
22-28 |
| 116-141 |
98-127 |
2-5 |
22-28 |
| 116-141 |
94-124 |
2-6 |
22-28 |
| 3
C17500
and
10
C17500 |
A
(TBOO) |
|
24-39 |
7-22 |
20-35 |
20-30 |
| H
(TDO4) |
45-57 |
35-53 |
10-15 |
20-30 |
| AT
(TFOO) |
3hr480 |
70-92 |
56-71 |
10-25 |
45-60 |
| HT
(THO4) |
2hr480 |
77-99 |
66-88 |
5-25 |
48-60 |
tolerance: (mm)
|
Product |
thickness
min max |
standard tolerance |
| Hard
drawn |
3.8
- 12 |
0.05
|
| Round
bar |
12
- 25 |
0.08 |
| Diameter |
25
- 50 |
0.10 |
| |
50
- 75 |
0.2%
of size |
| Hard
drawn |
3.8
- 12 |
0.08 |
| Six-horn
bar |
12
- 25 |
0.10 |
| Diagonal
length |
25
- 50 |
0.13 |
|
50
- 75 |
0.2%
of size |
Extrude |
20
- 30 |
0.50 |
Round
bar |
30
- 38 |
0.75 |
Diagonal
length
|
38
- 150 |
1.50 |
|
 |
 |
|
|
 |
|
|
