Speed 7700VRvc (m/min) Series--We Spear Resistance ed min. - max.+
Reco Coommended lant Reco Possible  mmendationCVD X GradePVD X GradePVD StandardUncoated Micrograin PVD StandardCVD StandardUncoated Micrograin
ISOMaterialsRm and HardnessX500X700SP6519GH2 SP4019MP91MGH1
Unalloyed 130 - 270 130 - 295 140 - 315 140 - 345
Steel115 - 240115 - 260120 - 275120 - 305
P700-950 N/mm2 200-280 HBN 100 - 210 100 - 230 105 - 245 105 - 270
Alloyed Steel950-1200 N/mm2 280-355 HBN75 - 16075 - 17580 - 19080 - 205
1200-1400 N/mm2 355-415 HBN 50 - 100 50 - 110 50 - 120 50 - 130
StainlessAustenitic + Ferritic 300 series 115 - 250 115 - 260 115 - 270 120 - 280
MSteelMartensitic 400 series100 - 220105 - 230105 - 235110 - 250
PH StainlessRefractory P.H.50 - 110 50 - 115 50 - 120 50 - 130
Grey GG-Ft120 - 280140 - 295145 - 330145 - 365
KCast IronSpheroidal-Ductile GGG-FGS 105 - 205 110 - 240 115 - 255 115 - 285
Malleable GTS - MN/MP95 - 170100 - 220105 - 235105 - 260
NAluminiumAluminium & Alloys < 16% Si 116 HBN400 - 2745 400 - 2895400 - 3050
& AlloysAluminium + Silicon > 16% Si 92 HBN 295 - 2135 295 - 2320295 - 2440
Iron Based23 - 4823 - 5223 - 5524 - 63
SHigh TemperatureCobalt Based21 - 44 22 - 46 22 - 48 23 - 52
AlloysNickel Based24 - 5125 - 5325 - 5526 - 59
Titanium Based35 - 7336 - 7536 - 7937 - 84
HHardHard Steel >1400 N/mm2 >415 HBN
MaterialsChilled Cast Iron >1400 N/mm2 > 400 HBN