Hardness

HRB HRCRm N/mm2FeNi CrCo MoW SiMnLi Ti Al C PSOthers Zn Mg Cu
HB
Stainless Steels
100068.95.8223.3
9504.5022.501.002.000.030.040.02
HRC32100057.0/64.04.5/6.524.0/27.02.9/3.911.50.040.040.031.5/2.5
225-290HB90072.64.5/6.521.0/23.02.50/3.5120.030.0350.015
335HB110058.74.5/6.524.0/26.03.0/4.00.08/0.2 120.030.030.02N 2.5/3.5
248HB850
55026.001.000.00
290-349HV930-11300.6211.60.890.40.770.13
304HB1050860.6011.000.750.450.650.160.010.010.20
11002.6016.801.800.180.700.120.030.02
> 9301.0010.500.600.401.000.13Nb 0.4
9800.4010.800.700.300.600.20
0.6011.801.000.300.600.20
260HB86013.5023.503.001.006.000.06
260HB8609.0018.000.754.509.000.10
22HRC7806210.0020.802.500.383.120.040.010.010.12
32-34HRC107069.210.7512.51.751.5 0.250.250.030.7 1.5 0.010.011.5
0.5017.000.050.3020.000.03N 0.5
490-69013182.50.71.30.02N 0.12 0.5
7.5025.004.000.702.000.030.022.50
180HB60016.0/18.0 23.0/25.04.0/5.05.0/7.00.03
284HB10007253.50.7510.050.030.01W 0.75 0.75
220HB77069.53.5/5.522.0/24.00.10/0.60120.030.0350.015Cu 0.10/0.60
225HB80067.8622.63.40.020.001
225HB80072.64232120.030.0350.015
28HRC100064.66.5253.60.03
28HRC1000636.5253.50.031.5
155HB60052.520.5250.320.015
230HV8105518206.10.010.0010.7
220HV800472520.56.30.010.0011
300HB105037.431273.50.720.020.030.011
200HB62024.5020.504.500.501.600.020.041.5
240HB84041.122246231.5
64.514.51740.015
750-1000
13.5016.000.501.000.150.50 0.050.03
296HB9501.5-2.51611.50.12-0.220.040.03
750-9502.0017.000.800.800.200.040.03
5.0022.003.00
1500
9800.6011.801.000.300.600.210.040.04
900-1150
1000113110.26-0.350.040.03

53-57HRc 1300-1700

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