| Material |
Excellent |
Good |
Poor |
Not
Recommended |
Aluminum
1100 -------------
3003 -------------
5052 -------------
Heat Treatable
2024 -------------
6061 -------------
7075 ------------- |
O, H2, H4 -----
O, H2 ----------
O ---------------
O ---------------
O ---------------
O ---------------
|
H6 -----------------
H4 -----------------
H2, H4 ------------
----------------------
T3, T4, T6 --------
---------------------
|
H8 ------------------
H6, H8 -------------
H6, H8 -------------
T3, T4 -------------
---------------------
----------------------
|
-------------
-------------
-------------
T6 ---------
T8 ---------
T6 ---------
|
Copper
Alloy 110 --------
|
Rf
65-90
(max. thickness 0.325") |
Rf
91-99
(max. thickness 0.250") |
|
|
Brass
(only lead free - i.e. Cartridge Brass CA260, SAE70 or ASTME36 are
some of the most common examples) |
¼
and ½ hard |
¾
hard |
hard
- spring |
|
| Bronze |
¼
and ½ hard |
¾
hard |
hard
- spring |
|
Beryllium-
Copper |
Soft
- Rb 45-78 |
|
½
hard -
Rb 88-96 |
Rb
96 + |
Phosphor-
Bronze |
|
|
|
Rb
96 + |
| Monel
Metal |
¼
and ½ hard |
|
|
|
Nickel
Silver
(65% Cu 18% Ni) |
¼
hard -
Rb 50-75
½ hard -
Rb 68-82 |
Rb
82-90 |
Rb
90-93 |
Rb
94 + |
Carbon
Steel
Low Carbon
(C1010 - C1020)
Med. Carbon
(C1021 - C1035)
Med./High Carbon
(C1036 - C1059)
High Carbon
(C1060 - C 1090)
|
Rb 50-75
(max. thickness 0.400")
Rb 50-75
(max. thickness 0.325")
Rb 50-75
(max. thickness 0.300")
Rb 50-75
(max. thickness 0.275")
|
Rb 75-85
(max. thickness 0.375")
Rb 75-85
(max. thickness 0.300")
Rb 75-85
(max. thickness 0.275")
Rb 75-85
(max. thickness 0.250")
|
Rb 85-94
(max. thickness 0.300")
Rb 85-94
(max. thickness 0.250")
Rb 85-94
(max. thickness 0.225")
Rb 85-94
(max. thickness 0.200")
|
Rb 95 +
Rb 95 +
Rb 95 +
Rb 95 +
|
Alloy
Steel
(4130,4140,4620, 5140, 6150, 8615, 8620, etc.) |
Rb 75 max.
(max. thickness 0.250") |
Rb 80 max.
(max. thickness 0.300") |
Rb 85 max.
(max. thickness 0.325") |
Rb 90 + |
Stainless
Steel
200, 300 Series 400
Series
(Heat Treatable) |
------------------ Rb
75 max.
(max. thickness 0.100") |
Rb 85 max.
(max. thickness 0.150")
Rb 85 max.
(max. thickness 0.150") |
Rb 85 max.
(max. thickness
0.150-0.250")
Rb 85 max.
(max. thickness 0.150-0.250") |
Rb 90+
Rb 90+ |
