Summary Table

Generic Application ClassAu/Ni (10 µin)Au/Ni (30 µin)Au/Ni (50 µin)SnSnPbAuPdNi
1.0
1.1
1.2
1.3
2.0
2.1
3.0
A1.0
A2.0
A3.0
A4.0
A5.0
Fretting
Durability
G/F
G/P
?/P
?/P
P
P
P
P
F/P
P
P
P
P
P
VG
VG
VG
VG/G
VG/G
G
G/F
G/F
G
G/F
G/F
G/F
G/F
G/F
E
E
E
E
E/VG
VG
VG/G
VG/G
VG
VG
VG
VG
E/G
VG/G
G
G
G
G/F
G/F
F
F/P
F/P
G/P
P
F/P
P
P
P
G
G
G
G/F
G/F
F
F/P
F/P
G/P
P
F/P
P
P
P
G
G/F
G/F
G/F
G/F
F
F/P
F/P
G/P
E
VG/P
?
P
VG
E - Excellent
VG - Very Good
G - Good
F - Fair
P - Poor
? - Unknown

The above is based on 100 grams normal force, conventional configuration, normal sheltering, etc. it should be viewed in a generic manner. ratings can be shifted based on special design considerations.