Sandvik Coromant Threading - Manual (Page 89)

89
P
P1.1.Z.AN 01.1 216,500 125 0.25 1200-1200-1150
P2.1.Z.AN 02.1 246,500 175 0.25 990-970-930
P3.0.Z.AN 03.21 420,000 300 0.25 465-455-435
M
P5.0.Z.AN 05.11 262,000 200 0.21 910-890-840
M1.0.Z.AQ 05.21 285,000 200 0.21 890-870-830
M3.1.Z.AQ 05.51 286,500 230 0.21 740-720-680
K
K1.1.C.NS 07.2 131,000 230 0.28 970-950-900
K2.2.C.UT 08.2 159,500 245 0.28 1000-1000-960
K3.1.C.UT 09.1 130,000 160 0.28 800-780-750
N
N1.2.Z.UT 30.11 58,000 60 3650-3600-3500
N1.3.C.UT 30.21 87,000 75 0.25 3650-3600-3500
N3.2.C.UT 33.2 80,000 90 1850-1800-1750
S
S1.0.U.AN 20.11 348,000 200 0.25 220-215-215
S2.0.Z.AG 20.22 420,500 350 0.25 130-130-125
S4.2.Z.AN 23.21 203,000 950 0.23 185-180-175
H
H1.3.Z.HA 04.1 606,500 59 HRC 0.25 215-215-195
5. Technical reference
CoroMill® 327 and CoroMill® 328
Thread milling cutting speed recommendations with grade GC1025, inch
Specifi c cut-
ting force k
c
Hardness
Brinell
Max chip thickness.
h
ex
inch
.002–.004-.008
ISO MC No.
CMC
No. Material lbs/in 2 HB mc
Cutting speed v
c
.
ft/min
Steel
Unalloyed
C = 0.1–0.25%
Low alloyed (alloying elements ≤ 5%)
Non-hardened
High alloyed (alloying elements ≤ 5%)
Hardened tool steel
Stainless steel
Ferritic/matensitic
Non-hardened
Austentic
Non-hardened
Austenitic-ferritic (Duplex)
Non-weldable ≥ 0.05%C
Malleable cast iron
Pearlitic (long chipping)
Grey cast iron
High tensile strength
Nodular cast iron
Ferritic
Aluminium alloys
Wrought or wrought and coldworked. non-aging
Aluminium alloys
Cast. non-aging
Copper and copper alloys
Brass. leaded bronzes. ≤1% Pb
Heat resistant super alloys
Iron base
Annealed or solution treated
Nickel base
Aged or solution treated and aged
Titanium alloys
α. near α and α + β alloys. annealed
Extra hard steel
Hardened and tempered