... mechanics performance:Main body degree of hardness:163-255HBS.Testing rod tensile strength:≥200Mpa.Design:as per the customer's ... .ISO available.1. Company information: We specialize in cast iron products, and some engineers have over 40 years' casting ... information: Our main products include: i) alloy cast irons, gray iron, Ductile iron parts (G3000, G3500, GG20, GG25, GG30, GG35, GGG40, ...