| | | | Minimum | | Chemical | | |
| Specifing | Spec. | Type: | Tensile | | Requirements % | Notes: |
| Body: | Number: |
| Strength | BHN | C | Si | Mn | Ni | Cu | Cr | S | Mo | | |
| | | | PSI: | | Max. | | | | | | Max | Max | | |
| ASTM | A 436 | 1 | 25 | 131- | 3.00 | 1.00- | .50- | 13.50- | 5.50- | 1.50- | 0.12 | | Where some machining is |
| | | | | 183 | | 2.80 | 1.50 | 17.50 | 7.50 | 2.50 | | | required, the 3.00-4.00 |
| | | 1b | 30 | 149- | 3.00 | 1.00- | .50- | 13.50- | 5.50- | 2.50- | 0.12 | | chromium range is |
| | | | | 212 | | 2.80 | 1.50 | 17.50 | 7.50 | 3.50 | | | recommended. |
| | | 2 | 25 | 118- | 3.00 | 1.00- | .50- | 18.00- | 0.50 | 1.50- | 0.12 | | | |
| | | | | 174 | | 2.80 | 1.50 | 22.00 | Max. | 2.50 | | | Castings can be heat treated |
| | | 2b | 30 | 171- | 3.00 | 1.00- | .50- | 18.00- | 0.50 | 3.00- | 0.12 | | as specified in ASTM A 436. |
| | | | | 248 | | 2.80 | 1.50 | 22.00 | Max. | 6.00 | | | | |
| | | 3 | 25 | 118- | 2.60 | 1.00- | .50- | 28.00- | 0.50 | 2.50- | 0.12 | | Due to the differences in |
| | | | | 159 | | 2.00 | 1.50 | 32.00 | Max. | 3.50 | | | mechanical properties and |
| | | 4 | 25 | 149- | 2.60 | 5.00- | .50- | 29.00- | 0.50 | 4.50- | 0.12 | | chemical composition of the |
| | | | | 212 | | 6.00 | 1.50 | 32.00 | Max. | 5.50 | | | different types, Oil City may |
| | | 5 | 20 | 99- | 2.40 | 1.00- | 150- | 34.00- | 0.50 | 0.10 | 0.12 | | require minimum order |
| | | | | 124 | | 2.00 | 1.50 | 36.00 | Max. | Max. | | | quantities due to induction |
| | | 6 | 25 | 124- | 3.00 | 1.50- | .50- | 18.00- | 3.50- | 1.00- | 0.12 | 1.00 | melting requirements. |
| | | | | 174 | | 2.50 | 1.50 | 22.00 | 5.50 | 2.00 | | | | |
| | | D-5S | 65 | 131- | 2.30 | 4.90- | | 1.00 | 0.08 | 34.00- | | 1.75- | | |
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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. | | | | | | | | | |
