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Stainless Steel U Tubes
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EN10217-7 Stianless Steel U Tube 1.4301 for Heater

EN10217-7 Stianless Steel U Tube 1.4301 for Heater

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

EN10217-7 Stainless Steel U Tube 1.4301 for Heater

Introduction:
The EN10217-7 stainless steel U tube 1.4301 is a high-quality industrial piping solution designed for heaters, heat exchangers, and industrial thermal systems. Manufactured according to EN10217-7 standards, this U-shaped tube provides excellent corrosion resistance, high tensile strength, and long-term durability under high-temperature and high-pressure conditions. The 1.4301 austenitic stainless steel composition (equivalent to AISI 304) ensures superior resistance to oxidation, acids, and industrial fluids, making it ideal for chemical, petrochemical, and power generation applications. Its precision U-bend design optimizes fluid flow and heat transfer efficiency, minimizing fouling and scaling in critical heater systems.

Material Table:

Material Grade Description Key Properties
1.4301 Stainless Steel Austenitic stainless steel High corrosion resistance, excellent oxidation resistance, high tensile strength, suitable for industrial heaters and heat exchanger applications

Specifications Table:

Parameter Value / Range
Standard EN10217-7
Tube Type U Tube
Outer Diameter (OD) 12mm – 50mm
Wall Thickness (WT) 1mm – 3mm
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 1.4301 stainless steel billets
Cutting Precision cutting to required tube lengths
Bending Cold bending into precise U shapes with uniform radius
Heat Treatment Solution annealing to enhance corrosion resistance and mechanical properties
Surface Treatment Pickling and passivation for smooth, corrosion-resistant surface
Inspection & Testing Dimensional checks, visual inspection, hydrostatic and ultrasonic tests
Packaging Protective packaging to prevent deformation or scratches during transport

Uses / Applications Table:

Industry / Application Description
Industrial Heaters Tubes for fluid and steam heating systems
Heat Exchangers Tubing for industrial thermal systems
Chemical Processing Corrosion-resistant piping for chemical fluids
Petrochemical Industry High-pressure fluid transport and heating
Power Generation Systems Heating loops and industrial steam systems

Advantages:

  • High Corrosion Resistance: Resistant to acids, industrial fluids, and high-temperature oxidation.
  • Durable & Reliable: Seamless and U-bend construction ensures long-term stability under pressure.
  • Optimized Heat Transfer: U-tube shape enhances fluid flow and thermal efficiency.
  • Smooth Surface Finish: Reduces scaling, fouling, and maintenance requirements.
  • Versatile Applications: Suitable for heaters, heat exchangers, chemical plants, and power systems.

FAQ:

  • Q: Can this U tube handle high-temperature fluids and steam?
    A: Yes, 1.4301 stainless steel provides excellent oxidation resistance and high-temperature durability.
  • Q: Are custom lengths and wall thicknesses available?
    A: Yes, OD, WT, and length can be tailored to project specifications.
  • Q: Is it suitable for chemical and petrochemical applications?
    A: Absolutely, the corrosion-resistant properties of 1.4301 stainless steel make it ideal for aggressive fluids.
  • Q: How is quality ensured?
    A: Tubes undergo hydrostatic, ultrasonic, and dimensional inspections per EN10217-7 standards.

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