SIB-Testblock – Rockwell Hardness, DIN EN ISO 6508-3 and ASTM E 18, 50mmx12mm-HR, Procedure: HR15N, Hardness: 81, Grid Lines
SIB-Testblock – Rockwell Hardness, DIN EN ISO 6508-3 and ASTM E 18, 50mmx12mm-HR, Procedure: HR15N, Hardness: 81, Grid Lines