RECOMMENDED CUTTING SPEED (SFM) [For External Grooving / Cutting Off]

Work MaterialHardnessGrade165 330 490 6 Cutting Speed (SF55 820 M)985 1640
PVP20RT330720
Mild SteelVP10RT360755
NX2525295 690
VP20RT260 590
160─280HBVP10RT295 620
MY5015360820
Carbon SteelNX2525230 560
Alloy SteelVP20RT195 460
280HBVP10RT230 490
MY5015295 690
NX2525180 440
M Stil StlVP20RT195 460
aness eeVP10RT230 490
KVP20RT260 590
Gray Cast IronTensile StrengthVP10RT295 620
MY5015460985
VP20RT195 460
Ductile Cast IronTensile StrengthVP10RT230 490
MY5015295 690
SVP20RT100 195
Heat Resistant Alloy Titanium AlloyVP10RT130 230
RT9010230 130
H Hdd tl50HRCBC8110260 395
arene seeMB8025260 395
N Aluminum AlloyContent SiRT90106551640
Aluminum AlloyContent 5%≤Si≤10%RT90106551640
Aluminum AlloyContent Si>10%RT9010330 655

Note 1) VP20RT is the first recommended grade for materials other than hardened steels. Note 2) For RT9010, VP10RT, VP20RT and MY5015, wet cutting is recommended.