A validated model has been created for the martensite–start temperature which takes into account chemical composition, thermodynamics, austenite grain size, austenite grain shape, plastic strain and stress.
ISIJ International 52 (2012) 162--164.
| MAP_STEEL_MUCG46B | MUCG46 modified to account for elastic and plastic strain, and grain refinement, on the martensite-start temperature. |

| Envelope | Coefficients | Filling welds | Hot | Delta |
| Satoh | Fields | Piping | European welds | Poles |
| Mixed | Creep | Extraordinary ductility | Problems | Mechanical stabilisation |
| PT Group Home | Materials Algorithms |