|
| |
| Component |
Wt. % |
| C |
0.38 - 0.43 |
| Cr |
0.8 - 1.1 |
| Fe |
96.785 - 97.84 |
| Mn |
0.7 - 1 |
| Mo |
0.15 - 0.25 |
| P |
Max 0.035 |
| S |
Max 0.04 |
| Si |
0.15 - 0.3 |
|
| 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 |
| |

Carriage
Bolts

Dowel Pins

Tapping
Screws

Lag Screws

Self
Drilling Screws

Spring Pins

Balls

Taper Pins

Set Screws

Drill Bits

Wood Screws

Sheet
Metal Screws

Machine
Screws

Felt Discs, Sheets,
Strips

|