Tongda supplies 17-4PH Stainless Steel Investment Castings in China for a long time. Specification of 17-4PH Stainless Steel 17-4PH Stainless Steel is a kind of martensitic precipitation-hardening steel. The Chinese specification is 0Cr17Ni4Cu4Nb. Adding Cu element increased the hardening property......

When making stainless steel investment castings,we often meet shell expansion defect.Shell expansion defect is caused by volume solidification mode of modular cast iron ally and graphitization expansion in the process of eutectic transformation.Below Tongda will talk about how we will solve this pro......

Tongda uses several stainless steel casting technics to cast components in China.Stainless steel casting technics is silica sol casting. This is also the most preferred investment casting process to cast stainless steel castings in China. Stainless steel castings made by silica sol casting technics ......

Investment cast clamps made in China are widely used in pipeline construction industry all around the world.

There are so many production process of investment casting foundry,so what should we do to improve the lead time of investment castings?below are some factors we considered in actual production process:

Sand blasting and matter finishing are all widely used surface treatment processes for investment castings. They will be applied according to different requirements.