Number

S
mm

L
mm

Be-Cu
g

Al-Cu
g

140-8
140-10
140-12
140-14
140-17
140-19
140-22
140-24
140-27
140-30
140-32
140-34
140-36
140-41
140-46
140-50
140-55
140-60
140-65
140-70
140-75

8
10
12
14
17
19
22
24
27
30
32
34
36
41
46
50
55
60
65
70
75

95
100
110
140
160
170
195
220
240
260
275
290
310
345
375
410
450
490
530
570
610

40
50
65
95
105
130
170
190
285
320
400
455
530
615
950
1080
1380
1950
2250
2850
3200

35
45
60
85
95
115
152
170
260
290
365
410
480
555
860
950
1200
1700
2000
2550
2800

Beryllium copper:  GBEx ⅡC

Be: 1.8% - 2.3%

Ni: 0.2% - 0.5%

Others: < 0.5%

Cu: Rest

Hardness: 35-40 HRC (HB283-365)

Tensile Strength: 1117 N/mm2 ~ 1326 N/mm2

Aluminum bronze: GBEx ⅡB

Al: 10% - 12%

Ni: 4% - 6%

Fe+Mn: < 5.8%

Cu: Rest

Hardness: 20-30 HRC (HB229-291)

Tensile Strength: 782 N/mm2 ~ 989 N/mm2