Seamless Elbow Pipe Fittings - Hot-Rolled & Cold-Drawn Manufacturing Processes for Industrial Piping Systems
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
30 days
Brand:
ZHENGSHENG
Product Description
Seamless Elbow Pipe Fittings Overview
Seamless elbow pipe fittings are essential components in industrial piping systems, manufactured without welded seams for superior strength and reliability. These fittings are available in two primary manufacturing processes to meet various application requirements.
Manufacturing Process Types
Hot-rolled (extrusion) seamless elbow pipe fittings
Cold-drawn (rolled) seamless elbow pipe fittings
Cold drawn (rolled) tubes are further categorized into round tubes and special shaped tubes to accommodate diverse piping system designs.
Manufacturing Process Flow
| Process Type | Manufacturing Steps |
|---|---|
|
Cold Drawn (Rolled)
|
Round tube blank → Heating → Perforation → Heading → Annealing → Pickling → Oiling (copper plating) → Multi-pass cold drawing (cold rolling) → Blank tube → Heat treatment → Straightening → Hydraulic pressure test (inspection) → Marking → Warehousing |
|
Hot Rolling (Extrusion)
|
Round tube blank → Heating → Perforation → Three-roll cross-rolling, continuous rolling or extrusion → Pipe removal → Sizing (or reducing diameter) → Cooling → Straightening → Hydrostatic test (or flaw detection) → Mark → Warehousing |
Key Advantages
Seamless construction eliminates weak points and potential leak paths
Superior pressure resistance and structural integrity
Available in multiple manufacturing processes for optimal performance
Comprehensive quality testing including hydraulic pressure and flaw detection
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Company
Cangzhou Zhengsheng Pipeline Equipment Co., Ltd.