GMNA GM6229M PDF

This standard defines basic requirements for five "chemical grades" of scrap cast iron solids intended for use in foundry iron charges. Such material is commonly referred to as "Scrap Auto Castings," or "Cast Iron Solids," or "Crushed Engine Blocks".

Purchaser specifies "Soft Gray Iron," "Cylinder Gray Iron," "Camshaft Gray Iron," Nodular Iron," or "Malleable Iron," by use of suffix symbol as follows:

Soft Gray GM6229M(S)

Cylinder Gray GM6229M(C)

Camshaft Gray GM6229M(A)

Nodular GM6229M(N)

Malleable GM6229M(M)