Concave and mantle of cone crusher; Hammer and hammer head of hammer crusher; Jaw plate and toggle plate of jaw crusher; Concave and Mantle is designed to protect the Cone Crusher, thus improves the working life. We supply high qualified concave in high Cr, Mo, alloy steel for Cone Crusher. Concave and MantleDetailed Description 1.spare parts for Cone Crusher. 2.be used in manganese steel 3.we can do as per customer's requirements. 1.Concave and Mantle material: high manganese steel, high Chromium or 45 carbon steel; Depending on the specific conditions, all wear parts can be ordered as high manganese steel, high chrome cast iron or Cr-Mo alloy steel casting and drop forged ,heat treated 2.Concave and Mantle process: polished and rust-resistant as per your requests 3.Concave and Mantle size: according to your request 4.Concave and Mantle package: rust-resistant inner package and export standard carton package or as per your requests Any special requests from you will be handled properly and promptly.