· 1.14 032 977 1.3 1.6 4.0 4.5 3165 1685 1125 2100 182.8 585 0.19 0.33 0.7 1235 ... iso 527 527 178 179 899 3146 c-177 astm e-831 iec93 iec93 iec243 iec250