ISOCMC- Code1CMC class denotationReference hardness
01.0non-alloysteel: not hardened with 0.05 - 0.1 % C90 HB
01.1non-alloysteel: not hardened with 0,1 - 0,25 % C125 HB
01.2non-alloysteel: not hardened with 0,25 - 0,55 % C150 HB
01.3non-alloysteel: not hardened with 0,55 - 0,8 % C170 HB
01.4non-alloysteel: high carbon steel,annealed210 HB
01.5non-alloysteel,hardened and tempered300 HB
02.1low-alloysteel: not hardened175 HB
02.10construction steel175 HB
02.12ball bearingsteel210 HB
02.2low-alloysteel: hardened and tempered330 HB
P02.3low-alloysteel: hardened400 HB
03.11high-alloyed steel,annealed200 HB
03.13high-alloyed steel,annealed HSS200 HB
03.21high-alloyed steel,hardened tool steel300 HB
03.22high-alloyed steel,hardened steel,misc.380 HB
06.1cast steel: non-alloy150 HB
06.2cast steel: low-alloy (alloyingelements < 5%)200 HB
06.3cast steel: high-alloyed(aloyingelements > 5%)200 HB
06.31cast steel: stainless: ferritic/martensitic200 HB
06.32cast steel: stainless: austenitic200 HB
06.33cast steel: manganese steel(12-14% Mn)250 HB
06.34cast steel: hardened and tempered380 HB
H10.1ingot mould hard cast iron: cast or castplus cured400 HB
04.1extra hard steel: tempered59 HRC
05.1stainless steel: annealed,ferritic/martensitic200 HB
05.10stainless steel: rolled/forged: ferritic/martensitic,machiningsteel200 HB
05.11stainless steel: rolled/forged: ferritic/martensitic,not hardened200 HB
05.12stainless steel: rolled/forged: ferritic/martensitic,PH hardened330 HB
05.13stainless steel: rolled/forged: ferritic/martensitic,hardened330 HB
05.2stainless steel: annealed,austenitic200 HB
05.20stainless steel: rolled/forged: austenitic,machiningsteel200 HB
05.21stainless steel: rolled/forged: austenitic200 HB
05.22stainless steel: rolled/forged: austenitic,PH hardened330 HB
05.23stainless steel: rolled/forged: super austenitic200 HB
M05.3stainless steel: tempered,martensitic330 HB
05.4stainless steel:precipitation hardened steel330 HB
05.51stainless steel: forged: austenitic,ferritic:(duplex)not weldable > 0,05 % C230 HB
05.52stainless steel: forged: austenitic,ferritic:(duplex)not weldable < 0,05 % C260 HB
15.11stainless steel: cast: ferritic/martensitic: not hardened200 HB
15.12stainless steel: cast: ferritic/martensitic: PH hardened330 HB
15.13stainless steel: cast: ferritic/martensitic: hardened330 HB
15.21stainless steel: cast: austenitic200 HB
15.22stainless steel: cast: austenitic: PH hardened330 HB
15.23stainless steel: cast: superaustenitic200 HB
15.51stainless steel: cast: austenitic,ferritic:(duplex)not weldable > 0.05% C230 HB
15.52stainless steel: cast: austenitic,ferritic:(duplex)weldable < 0.05% C260 HB

1 SANDVIK-Coromant material code