LAMINA - katalog | KL-TECH s.r.o. | www.klte.cz Lamina | Page 308

KL-TECH s.r.o | www.klte.cz
MACHINING CONDITIONS - THREAD MILLING - CUTTING SPEED (Vc)
Material
Group
Non Alloyed
P
Low Alloyed
High Alloyed
Material
Examples Hardness C35, Ck45,
1020, 1045,
1060, 28Mn6 125 HB 80 1 190 HB 70 110
250 HB 60 100
70 110
280 HB 60 100
350 HB 50 80
220 HB 70 110
280 HB 60 100
2
3
320 HB
350 HB
50
80
70
4 70 110
240 HB 60 90
Duplex 5 X2CrNiN23-4,
S31500 290 HB 60 80
Ferritic &
Martensitic 6 410, X6Cr17,
17-4PH, 430 200 HB 70 90
42 HRc 60 80
150 HB 60 110
7 GG20, GG40, EN-
GJL-250,
N030B 200 HB 70 110
250 HB 60
K
Malleable
& Nodular
8
GGG40, GGG70,
50005
310 HB
150 HB
200 HB
90
110
60
250 HB
90
90
Incoloy 800 240 HB 40 60
Inconel 700 250 HB 30 50
Stellite 21 350 HB 20 40
T40 - 40 70
TiAl6V4 - 25 50
X100 CrMo13,
440C,
G-X260NiCr42 45 HRc 30 Chilled Cast Iron Ni-Hard 2 400 HB White Cast Iron G-X300CrMo15 55 HRc AlSi12 130 HB
Fe, Ni &
Co based
Ti based
9
10
Steel
11
H
NF
X40CrMoV5,
H13, M42, D3,
S6-5-2, 12Ni19
180 HB
230 HB
130
180 HB
Grey
S
42CrMo4,
St50, Ck60,
4140, 4340,
100Cr6
V c [m/min]
min
max
304, 316,
X5CrNi18-9
Austenitic
M
Lamina
Gr. N°
Aluminium
12
50 HRc
55 HRc
25
80
50
40
300
307