Page 130 - koreatechnics
P. 130
WORKPIECE GROUP
● 피삭재 그룹표 Workpiece Group
ISO 피삭재 피삭재 조건 인장강도(N/㎟) 경도(HB/HRC) 피삭재 그룹 절삭동력(N/㎟)
Material Group Composition Tensile Strength Hardness Cutting Groups Kc값(Values)
일반강 <0.25% C annealed 420 125 1 2000
(Unalloyed steel) >=0.25% C annealed 650 190 2 2100
주강(cast seel) <0.55% C tempered 850 250 3 2150
>=0.55% C annealed 750 220 4 2200
기계구조강 tempered 1000 300 5 2200
P (machining steel) annealed 600 200 6 2100
930 275 7 2100
강 경합금강,주강(<5%) tempered 1000 300 8 2100
(Low-alloy steel) 1200 350 9 2100
Steel 680 200 10 2500
1100 325 11 3250
고합금강, 공구강 annealed 680 200 12 2300
(High-alloy steel) tempered 820 240 13 2800
martensitic/ferrit 600 180 14 2600
M Stainless steel martensitic 180 15 1100
스테인레스강 austenitic RM 400 260 16 1300
스테인레스강 pearlitic/ferrit RM 1050 160 17 1100
Stainless pearlitic 250 18 1800
steel 130 19 900
ferritisc 230 20 1000
K 회주철 pearlitic 60 21 500
Grey cast iron ferritisc 100 22 800
주철 pearlitic 75 23 800
Cast iron 구상흑연주철 90 24
Cast iron with 130 25
nodular cast iron 110 26 700
90 27 700
가단주철 100 28 1700
Malleable cast iron 200 31 3000
280 32 3100
TECHNICAL DATA 알루미늄 단조강 not heat treatable 250 33 3300
Aluminum Forging alloys heat treatable 350 34 3300
320 35 3200
N 알루미늄 주물강 <=12% Si not heat treatable 36 1700
Aluminum Cast heat treatable 37 1700
비철금속 >12% Si not heat treatable
Nonferrous alloys >1% Pb machining alloys
구리 합금강 CuZn, CuSnZn
metals Copper and Cu, lead-fr
copper alloys
Fe-based annealed
S 고온 합금 heat treatable
Heat-resistant CoN-i-boadse. d annealed
alloy
티타늄 합금강 heat treatable
Super-alloys cast
and titanium
Pure titanium
티탄 합금
Titanium alloys α-β alloys
128 www.koreatechnics.com