Dura-Bar® Gray Iron Properties
Gray Iron Properties |
Type |
G1A |
G1 |
G2 Class 40 |
Tensile strength (psi) |
25,000 |
30,000 |
40,000 |
Compressive strength (psi) |
n/a |
120,000 |
150,000 |
Heat-treat response |
n/a |
Rc 40 min. |
Rc 50 min. |
Hardness (BHN) |
|
|
|
3/4" - 1-1/2" |
159-229 |
179-235 |
229-285 |
1-1/2" - 3" |
156-201 |
163-229 |
207-277 |
3" - 6" |
143-201 |
151-229 |
197-268 |
6" - 20" |
143-201 |
143-201 |
183-269 |
Microstructure |
Highly ferritic |
Partially ferritic |
Highly pearlitic |
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