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quality ASME SA179 Carbon Steel U Bend Boiler Tube with 25.4mm OD 2.77mm WT and Custom Radius for Heat Exchanger Applications factory
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quality ASME SA179 Carbon Steel U Bend Boiler Tube with 25.4mm OD 2.77mm WT and Custom Radius for Heat Exchanger Applications factory
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ASME SA179 Carbon Steel U Bend Boiler Tube with 25.4mm OD 2.77mm WT and Custom Radius for Heat Exchanger Applications

Brand Name: WNRLN
Model Number: SA179-UBEND-25.4x2.77
Place of Origin: Zhejiang, China
Certification: ISO 9001:2015, ASME, API 5L
Minimum Order Quantity: 50 Pieces
Price: USD 15-35 / Piece
Supply Ability: 50000 Pieces per Month

Product Details


Material Grade: ASME SA179 / ASTM A179 Outer Diameter: 25.4mm (1 Inch)
Wall Thickness: 2.77mm (min) Bend Radius: Custom (standard: 1.5D, 2D, 2.5D, 3D)
Leg Length: Per Customer Drawing Manufacturing Process: Seamless Cold Drawn + Cold Bending
Surface Condition: Bright Annealed / Pickled Finish Max Service Temperature: 350 Degree Celsius
NDT Testing: Eddy Current, Hydrostatic Test, Dye Penetrant On Bend Area
Highlight

SA179 U Bend Tube

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Custom Radius Bending

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Shell Tube Heat Exchanger

Product Description

ASME SA179 Carbon Steel U Bend Boiler Tube 25.4mm OD 2.77mm WT Custom Radius Shell Tube Heat Exchanger Application
ASME SA179 Carbon Steel U Bend Seamless Boiler Tube

ASME SA179 U Bend Tubes are manufactured from cold-drawn seamless carbon steel tubes, precision bent to exact customer specifications for shell and tube heat exchangers. These U-bend tubes eliminate the need for return headers, reducing potential leak points and improving heat exchanger reliability in refinery, petrochemical, and power plant applications.

Custom Bending Capability
  • Wide Bend Radius Range: Standard bend radii from 1.5D to 3D, custom radii available per customer drawings
  • Precision Bending: CNC-controlled cold bending ensures consistent wall thickness at the extrados and intrados
  • Post-Bend Heat Treatment: Stress relief annealing available for tight radius bends to restore material properties
  • Multi-Bend Capability: Single and double U-bend configurations available
  • Full NDT on Bend Area: Dye penetrant inspection on bend extrados and intrados to verify bend integrity
Material Specifications
Parameter Specification
Standard ASME SA179 / ASTM A179
Material Type Low Carbon Steel (C max 0.06-0.18%)
Tensile Strength ≥325 MPa
Yield Strength ≥180 MPa
Elongation ≥35%
Hardness ≤72 HRB
Typical Applications

Shell and tube heat exchangers, oil coolers, feedwater heaters, condensers, evaporators, and intercoolers/aftercoolers in refinery, petrochemical, chemical processing, and power generation facilities.

Quality Assurance
All U-bend tubes undergo 100% eddy current inspection before bending, hydrostatic testing after bending, and visual/dimensional inspection of bend geometry. EN 10204 Type 3.1 certificates provided with each shipment.

Product Highlights

ASME SA179 cold drawn carbon steel U-bend seamless boiler tube with precise custom bending radius for shell and tube heat exchangers in refinery and petrochemical service.

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