TABLE OF CONTENTS | a | area of cross section, m 2 (in 2) [*] original area of cross section of test specimen, mm 2 (in 2) | |
| A j | area of smallest cross section of test specimen under load F j, m 2 (in 2) | |
| A j | minimum area of cross section of test specimen at fracture, m 2 (in 2) | |
| A 0 | original area of cross section of test specimen, m 2 (in 2) | |
| A r | percent reduction in area that occurs in standard test specimen | |
| Bhn | Brinell hardness number | |
| d | diameter of indentation, mm diameter of test specimen at necking, m (in) | |
| D | diameter of steel ball, mm | |
| E | modulus of elasticity or Young's modulus, GPa [Mpsi (Mlb/in 2)] | |
| f ? | strain fringe (fri) value, ?m/fri ( ?in/fri) | |
| f ? | stress fringe value, kN/m fri (lbf/in fri) | |
| F | load (also with subscripts), kN (lbf) | |
| G | modulus of rigidity or torsional or shear modulus, GPa (Mpsi) | |
| H B | Brinell hardness number | |
| l f | final length of test specimen at fracture, mm (in) | |
| l j | gauge length of test specimen corresponding to load F j, mm (in) | |
| l 0 | original gauge length of test specimen, mm (in) | |
| Q | figure of merit, fri/m (fri/in) | |
| R B | Rockwell B hardness number | |
| R C | Rockwell C hardness number | |
| V |
