1.high quality 2.competitive price 3.prompt delivery time 4.professional service Product: Steel Pipe Flange A105 Standard: ASME B16.5Material: Carbon Steel A105 Size: 1/2"~32"Pressure: 150#,300#, 600#, 1500#, 2500# etc,Surface treatment: Transparent oil, rust-proof oil, hot galvanizing Applications: Suitableforconveyanceofgas,petroleum,chemical,metallurgy,power, fluid, building construction, ...