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Quality 316L Stainless Steel Heat Exchanger U Tube Corrosion Resistant factory
Quality 316L Stainless Steel Heat Exchanger U Tube Corrosion Resistant factory

316L Stainless Steel Heat Exchanger U Tube Corrosion Resistant

Basic Properties
Place of Origin: MADE IN CHAINA
Brand Name: Baosteel，TISCO
Certification: EN 10204 Type 3.1 / 3.2 available
Model Number: 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507
Trading Properties
Minimum Order Quantity: 100kg
Price: Negotiable (Request a Quote)
Payment Terms: T/T，D/P，D/A，Western Union，PayPal
Supply Ability: 10000tons
Tags

Molybdenum Alloy Stainless Steel Pipe

Stainless Steel Pipe Chloride Resistance

Stainless Steel Heat Exchanger U Tube
Product Summary
U-Tube heat exchanger tubes are stainless steel tubes bent into a U-shape for use in shell and tube heat exchangers. This design allows for thermal expansion compensation, easy tube bundle removal, and efficient heat transfer. Manufactured from seamless or welded stainless steel, these tubes offer ...

Product Details

Highlight:

Stainless Steel Heat Exchanger U Tube

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Heat Exchanger U Tube Corrosion Resistant

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316L Stainless Steel U Tube
Country Of Origin: MADE IN CHAINA
Brand: Baosteel，TISCO
Certifications: ISO/EN 10204 Type 3.1 / 3.2 Available
Grade: 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 / 630 (17-4PH)
MOQ: 100kg
Price: Negotiable (Request A Quote)
Packaging: Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag
Delivery Time: 15-25days
Payment Terms: T/T，D/P，D/A，Western Union，PayPal
Supply Capacity: 10000tons
Product Description

U-Tube heat exchanger tubes are stainless steel tubes bent into a U-shape for use in shell and tube heat exchangers. This design allows for thermal expansion compensation, easy tube bundle removal, and efficient heat transfer. Manufactured from seamless or welded stainless steel, these tubes offer excellent corrosion resistance and high reliability in demanding thermal applications.

Key Features:

Precision U-bending with consistent radius
Allows free thermal expansion – no stress on tube sheet
Easy maintenance – the tube bundle can be removed and cleaned
Smooth internal surface for optimal heat transfer
Available in various bend radii and leg lengths
Seamless or welded & drawn construction

Product Specifications
ParameterDetails
Applicable StandardsASTM A213, ASTM A269, ASME SA213, EN 10216-5, DIN 28180
Common GradesTP304 / 304L, TP316 / 316L, TP321, TP310S, Duplex 2205
Tube OD Range6mm – 38mm (1/4″ to 1.5″)
Wall Thickness Range0.7mm – 3mm (0.028″ to 0.120″)
Bend Radius (R)1.5 x OD to 5 x OD (customizable)
Leg Length (Straight Section)Custom – up to 12m
Construction TypeSeamless (SMLS) or Welded & Drawn (W&D)
ProcessCold drawn + Bright annealing + U-bending + Stress relief
Surface FinishBright annealed / Pickled
Delivery ConditionBent, annealed, and ready for installation
Chemical Composition (Typical, %)
GradeCSiMnPSCrNiMo
TP304≤0.08≤1.00≤2.00≤0.045≤0.03018.0-20.08.0-11.0–
TP304L≤0.035≤1.00≤2.00≤0.045≤0.03018.0-20.08.0-12.0–
TP316≤0.08≤1.00≤2.00≤0.045≤0.03016.0-18.010.0-14.02.0-3.0
TP316L≤0.035≤1.00≤2.00≤0.045≤0.03016.0-18.010.0-14.02.0-3.0
TP321≤0.08≤1.00≤2.00≤0.045≤0.03017.0-19.09.0-12.0–
Duplex 2205≤0.03≤1.00≤2.00≤0.035≤0.02021.0-23.04.5-6.52.5-3.5

Third-party test reports available upon request.

Mechanical Properties (Annealed Condition)
GradeTensile Strength (MPa)Yield Strength (MPa)Elongation (%)Hardness (HRB / HB)
TP304≥515≥205≥35≤90 HRB
TP304L≥485≥170≥35≤90 HRB
TP316≥515≥205≥35≤90 HRB
TP316L≥485≥170≥35≤90 HRB
TP321≥515≥205≥35≤90 HRB
Duplex 2205≥620≥450≥25≤293 HB
U-Bend Specific Requirements
TestRequirement
Bend TestNo cracks, no flattening exceeding specified limit
Stress ReliefMandatory after bending to prevent SCC (Stress Corrosion Cracking)
Hydrostatic TestLeak-free at specified pressure
Dye Penetrant TestNo surface defects on bend area
Applications

U-Tube heat exchanger tubes are widely used in industries requiring efficient heat transfer and easy maintenance:

IndustryTypical Uses
Chemical ProcessingShell and tube heat exchangers, condensers, evaporators
Oil & GasCoolers, heaters, reboilers, intercoolers
Power GenerationFeedwater heaters, condensers, nuclear power plants
HVACChillers, condensers, evaporator coils
Food & BeveragePasteurizers, jacketed vessel heating/cooling
PharmaceuticalSterile heat exchangers, clean steam generators
MarineEngine cooling systems, freshwater generators
Advantages of U-Tube Design
AdvantageBenefit
Thermal expansion compensationNo stress on tube sheet or shell
Removable bundleEasy cleaning, inspection, and replacement
Single tube sheetReduced risk of leakage
Compact designSuitable for high temperature differentials
Cost effectiveFewer tube sheets and gaskets than straight tube designs
Contact Us

For samples, mill test reports (MTR), bend radius drawings, or a custom quote, please get in touch with us.

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