Phosphorus Bronze Grade B.S. 1400: 1985 Nominal Composition 2% PS N/mm Min Tensile Strength N/mm Min Elongation % Min Brinell Hardness Min PB1 89/10/01 130 250 5 60 PB1 88/12 140 260 7 80 PB1 90/10 130 250 5 60 PB1 90.5/9.5 130 240 5 80 LPB-1 87/8/2/3 80 175 7 60 Pbc2 88/12 120 195 5 60 Pbc2b 88/12 145 295 5 80