Alloy Specifications, Chemistries, and Technical Data
| Aliases |
|
ANSI AA NUMBER
|
295.0
|
|
Common Name
|
195
|
|
UNS Designation
|
A02950
|
|
|
|
| Nearest Applicable Casting Standards |
|
ASTM (B Series)
|
B26
|
|
Federal (QQ-C- Series)
|
601e
|
|
Military (Mil-C- Series)
|
21180c
|
|
|
|
| Specification Composition |
|
Minimum |
Maximum |
|
Silicon (Si)
|
0.7
|
1.5
|
|
Iron (Fe)
|
|
1
|
|
Copper (Cu)
|
4
|
5
|
|
Manganese (Mn)
|
|
0.35
|
|
Magnesium (Mg)
|
|
0.03
|
|
Zinc (Zn)
|
|
0.35
|
|
Titanium (Ti)
|
|
0.25
|
|
Other (Total)
|
|
0.15
|
|
|
|
| Specification Properties |
| (Heat Treat 'F' Denotes As Cast) |
Heat Treat State |
Minimum |
|
Tensile Strength (ksi)
|
T4
|
32
|
|
Yield Strength (.5% extension under load) (ksi)
|
T4
|
16
|
|
Elongation (2 inch gauge length) (%)
|
T4
|
8.5
|
|
Tensile Strength (ksi)
|
T6
|
36
|
|
Yield Strength (.5% extension under load) (ksi)
|
T6
|
24
|
|
Elongation (2 inch gauge length) (%)
|
T6
|
5
|
|
Tensile Strength (ksi)
|
T62
|
40
|
|
Yield Strength (.5% extension under load) (ksi)
|
T62
|
34
|
|
Elongation (2 inch gauge length) (%)
|
T62
|
2
|
|
Tensile Strength (ksi)
|
T7
|
29
|
|
Yield Strength (.5% extension under load) (ksi)
|
T7
|
16
|
|
Elongation (2 inch gauge length) (%)
|
T7
|
3
|
|
|
|
| Typical Properties |
|
Heat Treat State |
Typical |
|
Density (lb/cu.in. @ 68F)
|
|
0.102
|
|
Electrical Conductivity (% IACS @ 68F)
|
|
35
|
|
Thermal Conductivity (cal/sec/sq cm/cm/C @ 25C)
|
|
0.33
|
|
Coefficient of Thermal Expansion (per F @ 68-212F)
|
|
12.7
|
|
Coefficient of Thermal Expansion (per F @ 68-572F)
|
|
13.8
|
|
Melting Range (Liquidus-Solidus)(F)
|
|
970-1190
|
|
Resistance to Hot Cracking
|
|
F
|
|
Pressure Tightness
|
|
F
|
|
Fluidity
|
|
G
|
|
Solidification Shrinkage Tendency
|
|
G
|
|
Strength at Elevated Temperatures
|
|
G
|
|
Corrosion Resistance
|
|
F
|
|
Machinability
|
|
VG
|
|
Polishing
|
|
VG
|
|
Gas Welding
|
|
G
|
|
Arc Welding
|
|
G
|
|
Brazing
|
|
No
|
|
Normally Heat Treated
|
|
Yes
|
|
Annodizing Appearance
|
|
Brownish Gray
|
|
Electroplating
|
|
E
|
|
Compressive Yield Strength (ksi)
|
T4
|
17
|
|
Hardness (Brinell) (HB @ 500kg)
|
T4
|
60
|
|
Shear Strength (ksi)
|
T4
|
26
|
|
Endurance Limit (K ksi)
|
T4
|
7
|
|
Modulus of Elasticity (K ksi)
|
T4
|
10
|
|
Compressive Yield Strength (ksi)
|
T6
|
25
|
|
Hardness (Brinell) (HB @ 500kg)
|
T6
|
75
|
|
Shear Strength (ksi)
|
T6
|
30
|
|
Endurance Limit (K ksi)
|
T6
|
7.5
|
|
Modulus of Elasticity (K ksi)
|
T6
|
10
|
|
Compressive Yield Strength (ksi)
|
T62
|
34
|
|
Hardness (Brinell) (HB @ 500kg)
|
T62
|
90
|
|
Shear Strength (ksi)
|
T62
|
33
|
|
Endurance Limit (K ksi)
|
T62
|
8
|
|
Modulus of Elasticity (K ksi)
|
T62
|
10
|
|
Hardness (Brinell) (HB @ 500kg)
|
T7
|
70
|
|
|
|
| Applications |
|
|
Food Handling Applications
|
|
Manifolds
|
|
Ornamental Grills
|
|
Reflectors
|
|
Valves - Bodies
|
|
|
|
St. Paul Foundry 954 Minnehaha
Ave West St. Paul MN 55104 651-488-5567 www.stpaulfoundry.com