JIANGSU HAOHUA INDUSTRY GROUP

Studded tubes & HF welded finned Forged Steel Studs are welded by a flashing resistance welding process onto the base tube. The mainly applications for studded tubes is the process heat recovery of the petrochemical and chemical indus...

gas fired stud tubes support Round / Oval / Pin type Manufacturing process: Studs are fully automatically welded onto the tube by resistance welding. Acceptance criteria Approved drawings and the delivery conditions (TDC) of clients.&nb...

SMLS alloy steel studdes pipe for oil refinery Studded Tubes are applied to convection chamber of heating furnace in petrochemical industry to increase the heat transfer coefficient at the fuming side. Studded Tubes are two or three times ...

Finned & Studded Tubes Studded Tubes are applied to convection chamber of heating furnace in petrochemical industry to increase the heat transfer coefficient at the fuming side. Studded Tubes are two or three times the square of light ...

Welding Neck flange Welding Neck Flanges are easy to recognize at the long tapered hub, that goes gradually over to the wall thickness from a pipe or fitting. The long tapered hub provides an important reinforcement for use in several app...

150# ANSI RF Weld Neck Flange Sch 40 Welding Neck Flanges are easy to recognize at the long tapered hub, that goes gradually over to the wall thickness from a pipe or fitting. The long tapered hub provides an important reinforcement for u...

ANSI B16.9 weld neck flange Welding Neck Flanges are easy to recognize at the long tapered hub, that goes gradually over to the wall thickness from a pipe or fitting. The long tapered hub provides an important reinforcement for use in se...

CL150-CL2500 weld neck WN flange Welding Neck Flanges are easy to recognize at the long tapered hub, that goes gradually over to the wall thickness from a pipe or fitting. The long tapered hub provides an important reinforcement for use ...

Slip On flange The calculated strength from a Slip On flange under internal pressure is of the order of two-thirds that of Welding Neck flanges, and their life under fatigue is about one-third that of the latter. The connection with the p...

Socket Weld flange Socket Weld flanges were initially developed for use on small-size high pressure piping. Their static strength is equal to Slip On flanges, but their fatigue strength 50% greater than double-welded Slip On flanges. The ...