Purchase Qty. Reference FOB Price
1-9 Tons US$500.00
10-49 Tons US$450.00
50+ Tons US$400.00
Product Description
4J78 4J78 alloy has low magnetic permeability and lower expansion coefficient compared with other non-magnetic ceramic seal alloys, so it is called non-magnetic fixed expansion ceramic seal alloy. Adding a small amount of copper to the alloy can improve its processing performance. The overall ...