Mechanical properties of iron at room temperature
| |
GRAY
IRON |
DUCTILE
IRON |
LOW CARBON
STEEL CASTING |
LOW ALLOY
STEEL CASTING |
| 1 |
Tensile strength
(Ksi) [U] |
25 to 50 |
60 to 100 |
70 |
90 |
| 2 |
Yield strength
(Ksi) |
-- |
40 to 60 |
45 |
60 |
| 3 |
Elongation
(%) [EL] |
<1 |
20 |
26 |
23 |
| 4 |
Hardness (BHN) |
160 to 210 |
170 to 220 |
120 to 160 |
180 to 220 |
| |
IN IMPACT MODE (Typical values) |
|
|
|
|
| 5 |
Charpy test - V-shaped notch
[J] at 200C |
1.5-7 |
12-20 |
25-50 |
60-120 |
| 6 |
Crack growth resistance
(MPa m) |
11-19 |
45-100 |
50-175 |
50-175 |
|