| Type of Steel Reinforcement | Notation |
|---|---|
| Grade B500A, Grade B500C conforming to BS 4449:2005 | H |
| Grade B500A conforming to BS 4449:2005 | A |
| Grade B500B or Grade B500C conforming to BS4445:22005 | B |
| Grade B500C conforming to BS 4449:2005 | C |
| Reinforcement of a type not included in the above list having material properties that are defined in the design or contract specification. | X |
| NOTE: In the Grade description B500A, etc., "B" indicates reinforcing steel. |