| | | | Minimum | Minimum | | | | Chemical | | |
| Specifing | Spec. | Type: | Tensile | Yield | % | Impact | | Requirements % | Notes: |
| Body: | Number: |
| Strength | Strength | Elong | Energy | BHN | C | Si | Mn | P | Ni | Cr | | |
| | | | PSI: | PSI: | | ft-lb | | Max. | | | Max. | | | | |
| ASTM | A 897 | 110/70/11 | 110 | 70 | 11 | 80 | 241- | | | | | | | | |
| | | | | | | | 302 | |
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| The austempering process |
| | | 130/90/09 | 130 | 90 | 9 | 75 | 269- | Although this specification has | is preformed off site at a |
| | | | | | | | 341 | no specific chemical requirements, | approved vendor. |
| | | 150/110/07 | 150 | 110 | 7 | 60 | 302- | such requirements may be agreed | Due to differences in the |
| | | | | | | | 375 | upon between the manufacturer, | mechanical properties and |
| | | 175/125/04 | 175 | 125 | 4 | 45 | 341- | heat treater and the purchaser. | chemical composition of the |
| | | | | | | | 444 | | different grades, Oil City may |
| | | 200/155/01 | 200 | 155 | 1 | 25 | 388- | |
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| require minimum order |
| | | | | | | | 477 | |
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| quantities due to induction |
| | | 230/185/01 | 230 | 185 | 1 | 15 | 402- | |
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| melting requirements. |
| | | | | | | | 512 | | | | | | | | |
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| Ref: ASTM Annual Book of Standards Ferrous Castings: Ferroalloys |
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| Section 1 Volume 01.02 for additional data. | | | | | | | | | | | |
