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ASTM A182 F9 Flanges with 100% NDT Inspection Successfully Delivered for Russian Industrial Project
When piping systems operate under elevated temperatures and demanding service conditions, material selection becomes a critical factor in long-term reliability. Recently, Haihao Group completed the production and shipment of a batch of ASTM A182 F9 flange products for a Russian customer, support ... -
A105 Weld Neck Flanges Delivered to Saudi Arabia: Supporting Reliable Pipeline Connections in Energy Projects
In many pipeline projects across Saudi Arabia, the challenge is rarely finding a flange supplier. The real challenge is finding a manufacturer capable of delivering consistent quality across different sizes, wall thicknesses, and pressure classes while meeting demanding project schedules. Recent ... -
F316L Flanges Delivered to UK Project: Why Material Consistency Matters More Than Price
When engineers select stainless steel flanges for a process pipeline, the discussion usually starts with dimensions and pressure ratings. In reality, the most important factor often appears much earlier in the project-the consistency of the raw material. Recently, Haihao Group completed the prod ... -
Haihao Group Delivers Precision-Machined Monel 400 Tube Sheet for Russian Heat Exchanger Project
In heat exchanger manufacturing, the performance of the entire equipment often depends on a single critical component-the tube sheet. Recently, Haihao Group completed the production and shipment of a custom-machined tube sheet manufactured from ASTM B564 UNS N04400 (Monel 400) for a customer in ...
Haihao pipe fitting department is the steel pipe fitting division of Hebei Haihao High Pressure Flange Pipe Fitting Group Co.,Ltd, we manufacture ,supply and serve our clients all over the world in the steel pipe fittings field, especially the butt welding pipe fittings.
Hebei Haihao pipe fitting plant is established in 1988.At the beginning , we start production from carbon steel elbows ,then steel pipe tees years later.In the 21 century, we establish the new factory to produce the stainless steel pipe fittings. Now our pipe fittings plants can manufacture most kinds of steel pipe fittings used in industry pipeline.
