... ASTM A888, UPC, CSA B-70 available 2) Material:gray iron Cast Iron Pipe UPC1) Sizes: 1.5", 2", 3", 4", 5", 6", ... : 10'3) Standard: ASTM A8884) Approval: UPC5) Material: gray cast iron6) Applications: construction drainage, pollution discharge7) Features: Flat and straight ... ; High strength and density without defect; Easy to install and maintain; Long lifetime, fireproof and low noise rate ...