The graphite of gray cast iron has a sheet-like structure, and its mechanical properties are in accordance with JB/T4406-1999 standard, a total of 5 grades, tensile strength σb260 ~ 420Mpa, elongation from δ-22%. The ductile iron tensile strength σb350-900Mpa, elongation δ-22%......
Rare earth ferrosilicon alloy GB/T4137-2004
Chemical component %
no greater than
Description: Rare earth silicon iron metal is called 1# alloy, this alloy is suitable for steel making additives. When producing vermicular graphite cast iron, it is necessary to use the rare earth magnesium silicon iron alloy as the detonation treatment, which is suitable for the production of large vermicular graphite iron castings.