JBW-300 ComputerScreen DispalyPendulum Charpy Impact Testing Machine Product Description JBW-300 Computer control Pendulum Impact Testing Machine were strictly designed according to national standard GB/T3038-2002 “ Inspection for pendulum Impact Testing Machine” and GB/T229-1994 “Charpy notch Impact Test Method for metal material”. Nó cũng phù hợp với ISO148-1983 tiêu chuẩn quốc tế, tiêu chuẩn ASTM E23 và EN10045. The impact testing machineis mainly used to determine …