Общий каталог SGS 2021 - страница 264

FRACTIONAL Hi-PerCarb® Series DC • in 141K 5D Vc Fractional Hardness (sfm) 1/8 3/16 1/4 3/8 1/2 5/8 3/4 GRAY CAST IRON 450 RPM 13752 9168 6876 4584 3438 2750 2292 ≤ 150 Bhn FERRITIC or Fr 0.0049 0.0074 0.0099 0.0148 0.0198 0.0247 0.0297 ASTM A48: CLASS 20 (360-540) ≤ 80 HRb SAE J431C: GRADE 1800 Feed (ipm) 68 68 68 68 68 68 68 GRAY CAST IRON 375 RPM 11460 7640 5730 3820 2865 2292 1910 ≤ 220 Bhn PEARLITIC or Fr 0.0039 0.0059 0.0079 0.0118 0.0157 0.0196 0.0236 ASTM A48: CLASS 30, 35, 40 (300-450) ≤ 19 HRc SAE J431C: GRADE 3000 Feed (ipm) 45 45 45 45 45 45 45 325 RPM 9932 6621 4966 3311 2483 1986 1655 ≤ 250 Bhn COMPACTED K or Fr 0.0039 0.0059 0.0079 0.0118 0.0157 0.0196 0.0236 GRAPHITE IRON (260-390) ≤ 25 HRc Feed (ipm) 39 39 39 39 39 39 39 MALLEABLE CAST IRON 450 RPM 13752 9168 6876 4584 3438 2750 2292 ≤ 160 Bhn FERRITIC or Fr 0.0049 0.0074 0.0099 0.0148 0.0198 0.0247 0.0297 ASTM A220: GRADE 40010 (360-540) ≤ 3 HRc SAE J158: GRADE M4504 Feed (ipm) 68 68 68 68 68 68 68 MALLEABLE CAST IRON 250 RPM 7640 5093 3820 2547 1910 1528 1273 ≤ 320 Bhn MARTENSITE or Fr 0.0031 0.0047 0.0063 0.0094 0.0126 0.0157 0.0188 ASTM A220: GRADE 90001 (200-300) ≤ 34 HRc SAE J158: GRADE M8501 Feed (ipm) 24 24 24 24 24 24 24 Bhn (Brinell)   HRc (Rockwell C)   HRb (Rockwell B) rpm = Vc x 3.82 / DC ipm = Fr x rpm reduce speed and feed for materials harder than listed refer to the SGS Tool Wizard® for complete technical information (www.kyocera-sgstool.com) 264 DRILLS DRILLS www.kyocera-sgstool.com