... CARBON STEEL BAR, CHROME PLATED BAR, CHROMATE TREATED BAR. They are commonly used in the machine production as bearing. CARBON STEEL BAR, CHROME PLATED BAR, CHROMATE TREATED BAR.They are ... 0.25Ni,0.25Cr,0.25CuOur carbon steel solid bar and chrome plated bar are widely used in the fields of machine production ... usd920~1000/T,Discount for big quantity. CARBON STEEL BAR, CHROME PLATED BAR, CHROMATE TREATED ...