The quality of investment castings raw material will have a great effect on investment casting quality.It is uncertain that choosing super material will improve production costs of investment castings.

Oxidation slag distributes on the casting surface,in the stuffy corner parts of the mold. Fracture ashen white or yellow, It could be found by X-ray or during machining,can also be found in the alkaline cleaning, acid pickling or anodized.

Wax model manufacturing is a key process in investment casting production.The quality of wax model will have direct impact on investment castings.Below are the common defects of wax model in investment casting process:

Investment casting process is suitable for almost all the ferrous and nonferrous materials.As a top investment casting foundry,Tongda foundry could make both ferrous and non ferrous investment castings for our customers.Now we would like to introduce what alloys can be poured in investment casting p......

Tongda foundry supplies various cast stainless steel flanges in China.  Cast stainless steel flange is the widely used flange materials in lots of pipeline industries. Such cast stainless steel flange are made with higher production efficiency and clow production cost. The cast stainless steel flan......

Black oxide coating treatment is widely used as one kind of surface treatments for investment castings. Such surface treatment can help to an anti-rust layer to increase the lifetime and release the stress of the castings caused during hardening process. Surface of investment castings after black ox......