Hardness

HRB HRCRm N/mm2Fe NiCrCoMoWSiMnCAlOthers Cu Zn Mg S P Li Ti
HB
HTA Iron Based Alloys
49-52HRC160076.818.53.00.030.050.020.10.005 0.005 1.4
52-55HRC180076.818.53.00.030.050.020.10.005 0.005 1.4
50HRC170068.018.08.55.00.10.010.10.5
32HRC100075.09.412.02.00.050.020.010.70.3
266HB85032.020.021.020.03.00.1
260HB84019.733.017.024.03.02.00.33
270HB87024.920.021.020.04.04.01.250.40.43
150HB51014.634.022.00.550.550.030.3Cu 0.1 0.5
60062.031.80.035.40.090.390.050.07.08
470HB159068.618.07.94.90.10.10.080.1
470HB159067.018.09.05.00.10.10.080.1
280HB90053.026.013.31.80.81.50.080.15
HTA Cobalt Based Alloys
41HRC12900.30.228.064.06.00.50.50.1N 0.2
1050HV
1.03.027.062.05.00.60.60.20.3
3.010.020.048.015.02.01.50.1
1.016.024.051.46.00.60.60.4
1.510.025.054.08.00.80.60.4
2.010.018.053.115.01.50.4
180/230HB1.010.020.052.015.02.00.0
500/700HV1450-1650
1.010.019.055.614.00.4
80HRB5100.510.020.052.015.01.70.1
1.024.519.538.012.01.00.82.20.70.1
24.518.543.012.01.01.00.1
24.518.542.012.02.80.1
8000.559.08.310.00.710.05.5Ta 3.0 1.0
21.557.010.0Ta 9.0 0.9
21.560.09.00.10.11.00.8Ta 4.5, Zr 2.25 1.0
1.010.021.550.07.00.10.10.2Ta 3.5, Zr 0.5 0.6
20.020.055.00.5Ta 7.5, Zr 0.1 0.1
0.520.020.050.00.10.1Ta 7.5, Zr 0.1 0.1
9.025.519.035.77.00.2Zr 0.6 3.0
28HRC90035.020.035.09.80.013
4.020.020.046.04.04.00.41.20.4
33.050.013.02.5
34.043.019.02.0
463HB15602.03.029.059.09.01.8
2.01.020.065.013.00.5
3.022.022.037.014.00.1
52HRC18003.03.031.052.010.51.7
33.045.018.02.5
3.02.527.060.05.50.3
2.01.525.065.05.00.4
Material Guide –Keyto Recommended Inserts Material Designation
P Unalloyed SteelsP Alloyed SteelsM Stainless SteelsM K N S H PH Stainless Aluminum & Alloys High Temp. Alloys Hard Materials Cast Irons