①,The grooving angle "a" applies only to grooved pins made from steel (a≈70°). The grooving angle may be modified depending on resilience of material. ②,Material: a)Steel(St), hardness 125 HV30 to 245 HV30 b)Austenitic stainless steel ,A1 according to ISO3506-1, hardness 210 HV30 to 280 HV30 |