1.3/8"-6" (Malleable Iron Pipe Fitting) 2.Galvanized&Black 3.Banded&Beaded ... strict quality control4. OEM service5. welcome customized designsMaterial:Grey iron, ductile iron, malleable iron, stainless steel, carbon steel, aluminium, brass etc.Material ... .2-90KG Tolerance :CT7 Grade Details: Material Grey iron,ductile iron,malleable iron,stainless steel, carbon steel,aluminium,brass etc.standardDIN, ...