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Stainless Steel U Tubes
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19mm Stainless Steel U Tubes for Feedwater Heater AISI 316L

19mm Stainless Steel U Tubes for Feedwater Heater AISI 316L

Brand Name: KORER
Model Number: U Tubes
MOQ: 1 Metric Tons Per Size
Price: Negotiable
Payment Terms: T/T L/C
Supply Ability: 10000 Metric Tons Per Year
Detail Information
Place of Origin:
China
Certification:
ISO 9001 And Manufacture License Of Pressure Tube
Product Name:
U Type Stainless Steel Tube
Material Grade:
AISI 304 / AISI 316L
Outer Diameter:
12mm-38.1mm
Delivery Condition:
Anneal Or Pickled
Standard:
ASME SA249 / ASME SA688
Application:
Feedwater Heater
Packaging Details:
Wooden Boxes With Angle Steel Frame Or Seaworthy Bundle
Supply Ability:
10000 Metric Tons Per Year
Product Description

19mm Stainless Steel U Tubes for Feedwater Heater AISI 316L

Introduction:
The 19mm stainless steel U tube made from AISI 316L is a premium solution for feedwater heaters and industrial heat exchanger systems. Designed for high-temperature and high-pressure applications, these U-shaped tubes offer exceptional corrosion resistance, high mechanical strength, and long-term reliability. The low-carbon 316L alloy provides enhanced resistance to chlorides, acids, and industrial water, making it ideal for power plants, chemical processing, and desalination systems. The precision U-bend design ensures efficient fluid flow, optimized heat transfer, and minimal fouling, improving overall system performance in critical industrial applications.

Material Table:

Material Grade Description Key Properties
AISI 316L Stainless Steel Austenitic low-carbon stainless steel Superior corrosion resistance, high tensile strength, excellent weldability, suitable for feedwater heater and heat exchanger applications

Specifications Table:

Parameter Value / Range
Standard ASME SA688 / ASTM B163
Tube Type U Tube
Outer Diameter (OD) 19mm
Wall Thickness (WT) 1.0mm – 2.5mm
Length Customizable per system
Surface Finish Pickled & Passivated / Polished
Connection Type Butt-welded / Flanged
Pressure Rating Up to 150 bar (depending on schedule)

Manufacturing Process Table:

Step Description
Raw Material Selection Premium AISI 316L stainless steel tubes
Cutting Precision cutting to required lengths
Bending Cold bending into precise U shapes with uniform radius
Heat Treatment Solution annealing to optimize mechanical strength and corrosion resistance
Surface Treatment Pickling and passivation for smooth, corrosion-resistant surface
Inspection & Testing Dimensional checks, visual inspection, and hydrostatic/ultrasonic testing
Packaging Protective packaging to prevent deformation and scratches during transport

Uses / Applications Table:

Industry / Application Description
Feedwater Heaters Tubes for efficient heat transfer in power plants
Heat Exchangers Industrial fluid and thermal systems
Chemical Processing Plants Corrosion-resistant fluid transport
Desalination Plants Seawater and brine-resistant tubing
Petrochemical Industry High-pressure industrial pipelines

Advantages:

  • Superior Corrosion Resistance: Resistant to chlorides, acids, and industrial water.
  • High-Temperature Strength: Maintains integrity under thermal cycling and high-pressure conditions.
  • Durable Welded Construction: Ensures leak-free and long-lasting U tubes.
  • Optimized Heat Transfer: U-bend design improves flow efficiency and reduces fouling.
  • Versatile Applications: Ideal for feedwater heaters, chemical plants, desalination, and industrial heat exchangers.

FAQ:

  • Q: Can these U tubes handle high-temperature water and steam?
    A: Yes, AISI 316L provides excellent oxidation resistance and high-temperature durability.
  • Q: Are custom tube lengths and wall thicknesses available?
    A: Yes, OD, WT, and length can be customized according to project requirements.
  • Q: Is it suitable for chemical and industrial fluid transport?
    A: Absolutely, 316L stainless steel is ideal for aggressive fluids and seawater applications.
  • Q: How is quality ensured?
    A: Tubes are tested via hydrostatic, ultrasonic, and dimensional inspections per ASME SA688 standards.

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