Grain Refiners
| A-2 | Titanium-Boron base Grain Refiner for Hypo-eutectic Alloy. | 0.1 – 0.2% |
| A-2B | Only Boron based Grain Refiner for Hypo-eutectic Alloy. | 0.1 – 0.2% |
| A-113(P) | Phosphorus base Grain refiner for Hyper Eutectic Alloy. | 0.2 – 0.4% |
| A-113(M) | ||
| A-4H | Diluted version of A-2 | 0.1 – 0.2% |