| Physical Properties |
Metric |
English |
Comments |
|
|
| Density |
7.85 g/cc |
0.284 lb/in³ |
|
Mechanical Properties |
|
|
| Hardness, Brinell |
277 |
277 |
|
| Hardness, Knoop |
302 |
302 |
Converted
from Brinell hardness. |
| Hardness, Rockwell
B |
99 |
99 |
Converted
from Brinell hardness. |
| Hardness, Rockwell
C |
28 |
28 |
Converted
from Brinell hardness. |
| Hardness, Vickers |
292 |
292 |
Converted
from Brinell hardness. |
| Tensile Strength,
Ultimate |
883 MPa |
128000 psi |
|
| Tensile Strength,
Yield |
685 MPa |
99400 psi |
|
| Elongation at
Break |
19.2 % |
19.2 % |
in
50 mm |
| Reduction of Area |
60.4 % |
60.4 % |
|
| Modulus of
Elasticity |
205 GPa |
29700 ksi |
Typical
for steel |
| Bulk Modulus |
140 GPa |
20300 ksi |
Typical
for steel. |
| Poisson's Ratio |
0.29 |
0.29 |
Calculated |
| Machinability |
65 % |
65 % |
Based
on AISI 1212 as 100% machinability. |
| Shear Modulus |
80 GPa |
11600 ksi |
Typical
for steel. |
Electrical Properties |
|
|
| Electrical
Resistivity |
2.2e-005 ohm-cm |
2.2e-005 ohm-cm |
specimen
hardened and tempered; 20°C (68°F) |
| Electrical
Resistivity at Elevated Temperature |
2.63e-005 ohm-cm |
2.63e-005 ohm-cm |
specimen
hardened and tempered; 100°C (212°F) |
| Electrical
Resistivity at Elevated Temperature |
3.26e-005 ohm-cm |
3.26e-005 ohm-cm |
specimen
hardened and tempered; 200°C (390°F) |
| Electrical
Resistivity at Elevated Temperature |
4.75e-005 ohm-cm |
4.75e-005 ohm-cm |
specimen
hardened and tempered; 400°C (750°F) |
| Electrical
Resistivity at Elevated Temperature |
6.46e-005 ohm-cm |
6.46e-005 ohm-cm |
specimen
hardened and tempered; 600°C (1110°F) |
Thermal Properties |
|
|
| CTE, linear 20°C |
12.2 µm/m-°C |
6.78 µin/in-°F |
0-100°C
(32-212°F) |
| CTE, linear 250°C |
13.7 µm/m-°C |
7.61 µin/in-°F |
20-400°C
(68-750°F) |
| CTE, linear 500°C |
14.6 µm/m-°C |
8.11 µin/in-°F |
20-600°C
(68-1110°F) |
| Specific Heat
Capacity at Elevated Temperature |
0.473 J/g-°C |
0.113 BTU/lb-°F |
150-200°C |
| Specific Heat
Capacity at Elevated Temperature |
0.519 J/g-°C |
0.124 BTU/lb-°F |
350-400°C |
| Specific Heat
Capacity at Elevated Temperature |
0.561 J/g-°C |
0.134 BTU/lb-°F |
550-600°C |
| Thermal
Conductivity |
42.6 W/m-K |
296 BTU-in/hr-ft²-°F |
100°C |
| Thermal
Conductivity at Elevated Temperature |
33 W/m-K |
229 BTU-in/hr-ft²-°F |
600°C |
| Thermal
Conductivity at Elevated Temperature |
37.7 W/m-K |
262 BTU-in/hr-ft²-°F |
400°C |
| Thermal
Conductivity at Elevated Temperature |
42.2 W/m-K |
293 BTU-in/hr-ft²-°F |
200°C |
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