Engineering Guide CDA3000
A-9
Appendix A Formula bank
DE
EN
1
2
3
4
5
6
7
A
Material
Tensile
strength
in N/mm²
and hardness
kC
11
in
N/mm
k
C
in N/mm² at h in mm
h = f
· sinκ
0.063 0.1 0.16 0.25 0.4
St 34, St 37, St 44 500 1780 2820 2600 2400 2240 2060
St 50, C 35 520 1990 4200 3610 3190 2830 2500
St 60 620 2110 3310 3080 2830 2620 2440
St 70 720 2260 5120 4500 3920 3410 2990
C 45, Ck 45 670 2220 3240 3040 2840 2660 2500
C60, Ck60 770 2130 3430 3150 2920 2700 2490
16 Mn Cr 5 770 2100 4350 3830 3400 3020 2660
18 Cr Ni 6 630 2260 5140 4510 3920 3410 3000
42 Cr Mo 4 730 2500 5000 4500 4000 3550 3150
34 Cr Mo 4 600 2240 4000 3610 3200 3000 2750
50 Cr V 4 600 2220 4620 4100 3610 3290 2820
15 Cr Mo 5 590 2290 3660 3390 3130 2890 2680
55 Ni Cr Mo 6-G 940 1740 3470 3070 2720 2390 2170
55 Ni Cr Mo 6-V 1220 1920 3470 3310 2950 2860 2380
100 Cr 6-G 620 1730 3680 3320 2900 2560 2240
Mn, Cr Ni steels 850...1000 2350 4200 3800 3450 3150 2850
Cr, Mo & other alloy steels 1000...1400 2600 4450 4050 3700 3350 3100
Stainless steels 600...700 2550 4200 3850 3530 3250 3000
Mn hard steels 3300 6100 5500 4980 4500 4080
X 12 Cr Ni 18 8 HB 160 1600 3810 3480 2880 2500 2140
X 6 Cr Ni Mo 18 10 HB 163 1500 3930 3520 2960 2510 2110
GG 25 HB 200...250 1160 2360 2110 1870 1660 1470
GS 45 300...500 1600 2560 2360 2180 2000 1860
GTW 40, GTS 35 HB 220 1180 2240 2000 1800 1600 1460
Brass HB 80...120 780 1300 1200 1100 1000 920
Cast bronze 1780 2870 2600 2400 2240 2060
Red cast 640 1250 1120 1000 900 800
Cast aluminum 300...420 640 1250 1120 1000 900 800
Table 7.7 Specific cutting forces of various metals
Specific cutting forces
of various metals
To Next Page
Loading...
