Общий каталог ZCC-CT 2019 - страница 1133

Technical information Comparison table hardness and tensile strength Comparison table hardness and tensile strength A Hardness Hardness Tensile Tensile Rockwell Vickers Brinell Rockwell Vickers Brinell strength strength Hardness Hardness Hardness Hardness Hardness Hardness N/mm2 N/mm2 HRC HRA HV HB HRC HRA HV HB Turning 32.0 — 304 298 995 24.0 — 249 245 820 31.5 — 300 294 980 23.5 — 246 242 810 31.0 — 296 291 970 23.0 — 243 240 800 30.5 — 292 287 960 22.5 — 240 237 790 30.0 — 289 283 950 22.0 — 237 234 785 B 29.5 29.0 — — 285 281 280 276 935 920 21.5 21.0 — — 234 231 232 229 775 765 28.5 — 278 273 910 20.5 — 229 227 760 28.0 — 274 269 900 20.0 — 226 225 750 27.5 — 271 266 890 19.5 — 223 222 745 Milling 27.0 — 268 263 880 19.0 — 221 220 735 26.5 — 264 260 870 18.5 — 218 218 730 26.0 — 261 257 860 18.0 — 216 216 725 25.5 — 258 254 850 17.5 — 214 214 715 25.0 — 255 251 835 17.0 — 211 211 710 C 24.5 — 252 248 830 Note: The conversion values for steel in the table are commonly applicable for the steels with carbon from low to high. Drilling D Information Technical E Index D 10