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又是一个不知道分在那类的东西~0 j$ l: g1 S, C3 P* c G
上预览# w7 _/ [* ]& G+ }2 B" m6 F4 n
硬度与抗拉强度转换& ?8 b: M" d# ?- ?
| (DIN 50150)
# C/ e- ^& \6 W* r: P. H6 U( J% dPage 2 | | Tensile strength N/mm2 | Vickers hardness
' d9 h6 @* m+ y# }7 h! P' K) A1 T, l(F≥98N) | Brinell hardness2 (0.102F/D2=30N/mm2 | Rockwell
" R1 S9 F. G, ~) ?hardness | | HRB | HRF | HRC | HRA | HRD | HR15N | HR30N | HR45N | | 1155 | 360 | 342 | | | 36.6 | 68.7 | 52.8 | 78.6 | 56.4 | 39.1 | | 1190 | 370 | 352 | | | 37.7 | 69.2 | 53.6 | 79.2 | 57.4 | 40.4 | | 1220 | 380 | 361 | | | 38.8 | 69.8 | 54.4 | 79.8 | 58.4 | 41.7 | | 1255 | 390 | 371 | | | 39.8 | 70.3 | 55.3 | 80.3 | 59.3 | 42.9 | | 1290 | 400 | 380 | | | 40.8 | 70.8 | 56.0 | 80.8 | 60.2 | 44.1 | | 1320 | 410 | 390 | | | 41.8 | 71.4 | 56.8 | 81.4 | 61.1 | 45.3 | | 1350 | 420 | 399 | | | 42.7 | 71.8 | 57.5 | 81.8 | 61.9 | 46.4 | | 1385 | 430 | 409 | | | 43.6 | 72.3 | 58.2 | 82.3 | 62.7 | 47.4 | | 1420 | 440 | 418 | | | 44.5 | 72.8 | 58.8 | 82.8 | 63.5 | 48.4 |
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