Anybody uses 4130 steel Tim,
4130 steel is for case hardening. In it's soft state it can be used for anything in a model locomotive where a steel component is needed. Arthur--Mexico City > > > >
Anybody uses 4130 steel Tim,
4130 steel is for case hardening. In it's soft state it can be used for anything in a model locomotive where a steel component is needed. Arthur--Mexico City > > > >