ASTM A335 P11 P22 P91 Studed Pipe

Yuhong Group has an own workshop which can provide the most professional manufacturing process of studed tubes for clients' oil refinery projects.  ASME SA335 P11 / P22 / P91 NPS 4''(114.3mm) studded pin heating tubes. All the raw materials will be from biggest steel factoires, such as: Baosteel, Hengyang Steel, TPCO etc..   ASTM A335/A335M: Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service General Studded Tubes production capacity General specifications of Studded Tubes tubes Production facility: 3 finning machines; Daily capacity up to 80,000 studs; Tube OD: 219 mm max. Tube Thickness: 4mm~15mm Tube Length: 16 meters max. Studs OD: OD6mm~OD16mm Studs Height: 10mm Min.   Manufacturing process…