BS 1768 Table 4A Weights
Table 4A — Comparison of strength grades of BS 1768 and BS 970 (for guidance only)
| Grade | Tensile strength | ||
|---|---|---|---|
| BS 1768 | BS 970-1:1983 | ||
| min. | min. | ||
| tonf/m² | N/mm² | N/mm² | |
| P | 35 | 541 | 550 – 700 |
| S | 50 | 772 | 775 – 925 |
| T | 55 | 849 | 850 – 1 000 |
| V | 65 | 1 004 | 1 000 – 1 150 |
| X | 75 | 1 158 | 1 150 – 1 300 |