Stainless steel welded pipes, commonly referred to as welded pipes, are steel pipes manufactured by rolling and forming steel materials or steel strips using production lines and molds, followed by welding. The production process for welded steel pipes is simple, with high production efficiency, a wide range of specifications, and low equipment investment. However, their strength generally falls short of that of seamless steel pipes.
Based on welding technology, they can be classified into automatic welding and manual welding. Automatic welding typically uses submerged arc welding or plasma welding, while manual welding generally employs argon arc welding. According to weld seam form, they are divided into straight seam welded pipes and spiral welded pipes.
Based on their application, they can be further categorized into general-purpose welded pipes, heat exchanger tubes, condenser tubes, galvanized welded pipes, oxygen-blowing welded pipes, electrical conduit pipes, metric welded pipes, roller tubes, deep well pump pipes, automotive tubes, transformer tubes, electric welded thin-walled tubes, electric welded irregular-shaped tubes, and spiral welded pipes.
Deascription
Stainless steel welded pipes and tubes are manufactured by welding together stainless steel plates or coils, resulting in a longitudinal seam along its length. Welded pipes and tubes can be produced in various sizes and shapes, including round, square, and rectangular, to meet different industrial and commercial requirements.Stainless steel welded pipes and tubes offer several advantages over seamless ones. They are more cost-effective, as the production process is simpler and requires less material. They also offer improved consistency in wall thickness, making them ideal for applications that require precise measurements.
Stainless steel welded pipes and tubes are commonly used in various industries such as oil and gas, chemical processing, food and beverage, and pharmaceuticals. They are known for their excellent corrosion resistance and durability, making them suitable for use in harsh and corrosive environments.
Type
Welded pipes and electric resistance welded (ERW) pipes
OD
8mm - 508mm
WT
0.50mm - 30mm
Length
Up to 12 meters (standard production order length is 6.0/6.1 meters)
Standard
ASTM A312、A778、A269、A249、A554、A358 Cl-1、A358 Cl-3
Tube end Form
Flat mouth, beveled mouth
Grades
201、201LN、204、304、304L、304H、304LN、304N、309S、309H、310S、310H、310MoLN、312、316、316L、316H、316LN、316N1、316N2、317、317L、317LN、317LM、317LMN、326、304Ce、308Ce、309Nb、309HNb、310Nb、310HNb、316Ti、317LCu、321、321H、345、347、347H、347LN、904L、904LN、1803（31803）、2101（32101）、2205（32205）、2304（32304）、2507（32507）、2760（32760）、N1、N7、TPXM-10
Applications
Industrial applications (sugar refining, papermaking, water industry)
Welded Pipe & Tube Dimensions
Welded Pipe & Tube chemical composition
