Carbon steel butt welding pipe Reducers Specifications Brand name: ZICN Country of origin: China Certificate: ISO, ABS, PED,DNV, API,LR,KR, CRN Carbon steel: A234 WPB. API 5L , A860, WPHY-42, WPHY-46, WPHY-52, WPHY-60, WPHY-65, and WPHY-70 Sizes: 1/2 to 60 inches Thickness: Sch20 to Sch160 Standards: ANSI/ASME, DIN, ISO, JIS, GB, and EN etc. Type: Butter welding----Seamless and welded Applications: petroleum, chemical, power, gas, metallurgy, shipbuilding, construction, water, and nuclear power Packing: wooden cases and pallets (or customized)