Machining Data for Threading

TensileMaterialCoated
StrengthHardnessGroupIC228IC908IC808IC1007
ISO MaterialCondition(N/mm2)HBNo.Cutting Speed(m/min)
< 0.25 %CAnnealed420125160-100115-190125-205135-230
Non-alloy>= 0.25 %CAnnealed650190260-95110-180120-195130-220
steel and cast steel free< 0.55 %CQuenched and tempered850250350-90100-175105-185120-210
, cutting steelAnnealed750220445-8590-16595-175110-200
>= 0.55 %CQuenched and tempered1000300545-8590-16595-175110-200
Annealed600200650-95100-180105-195120-215
P Low alloy and cast steel (less930275740-7575-14080-15090-170
than 5% of alloying elements)Quenched and tempered1000300835-7070-13575-14585-160
1200350935-7070-13575-14585-160
High alloyed steel, castAnnealed6802001040-6580-12085-13095-145
steel, and tool steelQuenched and tempered11003251125-5050-10055-10560-120
Stainless steel and cast steelFerritic/martensitic6802001235-7070-13075-14085-155
Martensitic8202401345-6085-11090-120100-130
M Stainless steel and cast steelAustenitic, duplex6001801445-7590-14095-150110-170
Ferritic/pearlitic1801565-85125-160135-170150-190
Gray cast iron (G)Pearlitic /martensitic2601645-6590-12095-130110-145
K NdltiGGGFerritic1601735-7070-13075-14085-155
ouar cas ro()Pearlitic2501830-6060-11565-12570-140
Malleable cast ironFerritic1301930-3560-7065-7570-85
Pearlitic2302030-7560-14565-15570-175
Aliht llNot hardenable602150-195100-365105-390120-440
umnum-wrouaoysHardenable1002240-11580-22085-23595-265
Not hardenable7523105-215200-400215-430240-480
Aluminum- cast allosHardenable9024105-150200-280215-300240-335
y>12% SiHigh temperature13025105-150200-280215-300240-335
N>1% PbFree cutting1102640-13580-25585-27595-305
Copper alloysBrass902740-13580-25585-27595-305
Electrolytic copper1002840-13080-25585-27595-305
Non metallicDuroplastics, fiberplastics2940-13080-25085-26595-300
Hard rubber3040-13080-25085-26595-300
F bdAnnealed2003125-3045-6050-6555-70
Highe aseHardened2803215-2535-5035-5540-60
temperatureAnnealed2503310-1520-3020-3025-35
S alloysNi or Co basedHardened350345-1015-2515-2518-30
Cast320355-1015-2515-2518-30
Pure4003675-90140-170150-180170-205
Titanium alloysAlpha+beta alloys hardened10503725-3550-7055-7560-85
Hardened55 HRC3825-3045-6050-6555-70
Hardened steelHardened60 HRC3925-3045-6050-6555-70
H Chilled cast ironCast4004025-3045-6050-6555-70
Cast ironHardened55 HRC4125-3045-6050-6555-70