Cast grey iron gearbox housing
Metal: Ductile cast iron, ASTM A48 class 20, class 25, class 30, class 35, class 40, class 45, class 50, class 55, class 60.
Metal casting: clay sand casting, resin sand casting, shell molding casting
Casting tolerance: ISO 8062 CT9-CT12
Casting surface roughness: 1.6μm Ra ~ 6.3μm Ra
Weight controlled: 0.5~10,000 kgs
Please note that the accuracy level of sand castings is not only affected by the mold process and material quality, but also by the selected metal materials, pouring temperature, and cooling rate. Please contact gina@guokuncasting.com to get a quotation