Hardness

HRB HRC Rm N/mm2Fe NiCrCoMoW SiMnCAlTiOthers Cu Zn Mg S P Li
HB
HTA Nickel Based Alloys
61.610.015.030.185.54.7V 1.0
38.034.020.02.5Nb 0.6 Cu 3.5
25.441.029.50.50.750.060.250.6Cu 0.4
80HRB51029.542.021.53 0.50.650.030.20.9Cu 2.25
180-300HB600-97034.044.312.56.20.220.480.052.5
380HB125041.039.015.00.71.4Nb 3.0
32HRC100025.445.021.030.32.1Cu 1.8
36HRC113018.050.020.03.0
7.566.016.0
90HRB6002.558.022.0
1.060.022.01.0
85HRB5508.076.016.00.075
8.077.015.0
65HRB40014.061.024.00.20.50.051.30.008 Cu 0.5
77HRB48014.061.024.0
73.022.0
8.072.016.00.20.20.04
1.073.020.0
6.076.016.0
180HB6001.053.022.013.090.071
8.074.015.0
100HRB7802.558.022.014.23.2
95HRB6904.061.022.090.050.30.3Cb 3.7
4.061.022.0
0.547.550.0
51.548.0
54.045.0
90HRB6001.058.021.0
85HRB5509.062.029.00.20.20.250.007
9.059.030.0
5.060.030.0
1.079.016.00.20.050.043.40.7
40HRC127037.042.016.00.031.8Cb 2.9
42HRC133018.054.018.03.10.020.50.9Cb 5.2
40-47HRC1560bal50-5517-211.02.8-3.30.350.350.08.2-.8.65-1.150.015 0.015 Cb+Ta 5-5.5
38HRC120018.054.018.03.10.020.50.9Cb 5.2
43HRC138014.758.018.014.731.252.55
7.071.016.00.152.250.070.13Cu 0.2
34HRC10707.074.016.00.040.72.4
37HRC11709.058.021.080.31.5Nb 3.5
9.058.021.0
0.516.08.51.82.6 0.30.20.173.43.4Nb 0.9 Ta 1.8 Zr 0.1
1.048.025.020.0
34HRC107026.028.53.034.05.40.1Nb 0.3
86HRB55046.031.021.0
70HRB45044.032.021.00.3510.080.40.40.3 0.01 0.02
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