ISO 409-2:1983 Metallic materials; Hardness test; Tables of Vickers hardness values for use in tests made on flat surfaces; Part 2 : HV 0,2 to less than HV 5
SNI 07-4906-1998 history
1998SNI 07-4906-1998 Vickers hardness values for use in tests made on flat surfaces of metals HV 0.2 less than HV 5 - Tables