Number of Radial Passes

Tensile StrengthHardnessMaterial0.25-1.00Lead( 1.25-1.50mm) 1.75-2.002.50-6.00
ISO MaterialCondition[N/mm2]HBNo.Number ofpasses
< 0.25 %CAnnealed4201251
>= 0.25 %CAnnealed6501902
Non-alloy steel and cast steel, < 0.55 %CQuenched and tempered8502503
free cutting steelAnnealed7502204
>= 0.55 %CQuenched and tempered10003005
Annealed6002006
P Low alloy and cast steel (less93027571123
than 5% of alloying elements)Quenched and td10003008
empere12003509
Annealed68020010
High alloyed steel, cast steel and tool steelQuenched and tempered110032511
Stainless steel and cast steelFerritic/martensitic68020012
Martensitic82024013
M Stainless steelAustenitic, duplex600180141123
Grey cast iron (GG)Ferritic/pearlitic18015
Pearlitic /martensitic26016
K Nodular cast iron (GGG)Ferritic160171123
Pearlitic25018
Ferritic13019
Malleable cast ironPearlitic23020
Aluminum- wrought alloyNot hardenable Hardenable60 10021 22
Not hardenable75231111
Aluminum-Hardenable9024
cast, alloyed >12% SiHigh temperature130251123
N >1% PbFree cutting11026
Copper alloysBrass9027
Electrolytic copper10028
Non metallicDuroplastics, fiber plastics291111
Hard rubber30
Fe basedAnnealed20031
Hardened28032
High temperature alloys Ni CAnnealed25033
S or o basedHardened350342223
Cast32035
Pure40036
Titanium alloysAlpha+ beta alloys, hardened105037
Hardened steelHardened55 HRC38
Hardened60 HRC39
H Chilled cast ironCast400403333
Cast ironHardened55 HRC412223

Rm - ultimate tensile strength, MPa