Number

S
mm

L
mm

H
mm

Be-Cu
g

Al-Cu
g

182-17
182-19
182-21
182-22
182-24
182-26
182-27
182-30
182-32
182-35
182-36
182-41

17
19
21
22
24
26
27
30
32
35
36
41

230
240
250
260
270
280
285
300
315
325
330
330

35
35
38
38
39
39
39
42
42
43
43
45

725
745
942
963
1175
1221
1253
1532
1622
1821
1829
2129

621
652
831
835
1022
1053
1102
1325
1427
1633
1673
1948

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