Most of our products including Grey Cast Iron Casting, Ductile Iron Casting are produced by sand casting. The main reasons of casting sand holes are as follows.
1: The sand in the cavity is not clean.
5: The temperature is too high, the pouring speed is too fast, and the sprue is rolled into the sand.
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
Fill in more information so that we can get in touch with you faster
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.