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Carbon Steel Shell and Tube Heat Exchanger with Fixed Tubesheet Floating Head and U-Tube Designs for Industrial Applications

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YUHONG HOLDING GROUP CO., LTD

City: ningbo

Country/Region:china

Tel:0086-574-88013900

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Carbon Steel Shell and Tube Heat Exchanger with Fixed Tubesheet Floating Head and U-Tube Designs for Industrial Applications

Brand Name	YUHONG
Certification	ASME, ABS, DNV-GL , BV, LR , KR, CCS, PED, TUV, ISO9001, AD2000
Place of Origin	CHINA
Minimum Order Quantity	1 SET
Price	NEGOCIATED
Payment Terms	T/T,L/C
Supply Ability	500 TONS
Delivery Time	20-80 DAYS
Packaging Details	PLYWOODEN CASE OR PALLET

Detailed Product Description

Carbon Steel Shell and Tube Heat Exchanger

Fixed Tubesheet, Floating Head & U-Tube Designs | Economical ASME Fabrication for Oil, Gas, Power & HVAC Applications

Reliable Thermal Solutions at Competitive Value

Yuhong Group Co., Ltd. is a trusted manufacturer of engineered heat transfer equipment, delivering custom shell & tube heat exchangers, pressure vessels, and air coolers to global industries. We also supply precision replacement components, including tube bundles, U-tubes, finned tubes, heat exchanger tubes, and critical parts such as tubesheets, baffles, and heads, ensuring complete support for maintenance and new projects.

Cost-Effective Industrial Workhorse

The carbon steel shell and tube heat exchanger is the most widely specified thermal equipment across process industries, valued for its combination of reliability, thermal efficiency, and affordability. Constructed from ASME-approved carbon steel materials, these exchangers deliver robust performance in non-corrosive or mildly corrosive services involving water, steam, oil, gas, and various hydrocarbons. Our designs are available in fixed tubesheet, floating head, and U-tube configurations to match your specific process requirements.

Carbon Steel Heat Exchanger Selection Guide

Type	Design Characteristics	Best Suited Applications
Fixed Tubesheet	Tubesheets welded to shell; simplest and most economical construction. May include expansion joint for thermal stress relief.	Clean services with low fouling potential; moderate temperature differences (typically <50°C); water-to-water or steam-to-water applications.
Floating Head	One tubesheet free to move; entire bundle can be withdrawn for inspection and mechanical cleaning.	High temperature differentials; fouling services requiring regular cleaning; hydrocarbon and refinery applications.
U-Tube	Tubes bent into U-shape; single tubesheet; bundle expands freely without expansion joint.	High thermal expansion; high-pressure tube-side services; applications where shell-side cleaning is sufficient.

Material Specifications for Carbon Steel Construction

Component	Typical Material Standard	Key Characteristics
Shell & Channel	ASME SA516 Gr. 70	Pressure vessel quality steel; excellent weldability and toughness for structural integrity.
Tubes	ASME SA179	Seamless cold-drawn low-carbon steel; optimized for heat transfer and formability.
Tubesheet	ASME SA266 Gr. 2 (Forged) or SA516 Gr. 70 (Plate)	Forged provides superior strength for high-pressure applications; plate is economical for standard duties.
Baffles	ASME SA516 Gr. 70	Supports tubes and directs shell-side flow; thickness per TEMA standards.
Nozzles & Flanges	ASME SA105	Forged carbon steel; available in various pressure classes (150#, 300#, 600#, etc.).
Fasteners	ASME SA193 Gr. B7 / SA194 Gr. 2H	High-strength bolting for flange connections; corrosion-resistant coatings available.

Key Components & Their Functions

Component	Primary Function	Design Notes
Tube Bundle	Transfers heat between shell-side and tube-side fluids	Tube layout (triangular or square pitch) optimized for thermal duty and cleanability
Tubesheet	Secures tubes; forms pressure boundary	Thickness calculated for pressure loads and tube expansion forces
Shell	Contains shell-side fluid; provides structural support	May include expansion joint for fixed tubesheet designs with high temperature differential
Baffles	Enhances heat transfer; supports tubes against vibration	Segmental, double-segmental, or helical patterns available
Channel	Distributes tube-side fluid	Removable for tube end inspection and cleaning
Saddles / Supports	Supports vessel weight; accommodates thermal expansion	Designed per ASME or customer-specific requirements

Engineering Advantages

Mature Material System: Comprehensive physical and mechanical properties ensure reliable thermal calculations and stress analysis, reducing design risk
Excellent Weldability: Materials such as SA516 Gr.70 and SA179 provide good welding process adaptability, ensuring quality and long-term reliability
Easy Maintenance and Repair: Localized corrosion or damage can be restored through welding repair or tube bundle replacement, controlling life-cycle costs
Extensive Standards Support: Full compliance with ASME, TEMA, and HEI standards ensures documented design, manufacturing, and inspection processes

Material Selection Guidance

Ideal Applications for Carbon Steel

Clean or treated cooling water (closed-loop water supply, boiler feedwater)
Lubricating oil, hydraulic oil, turbine oil cooling
Low-pressure steam condensation and heating
Cooling/heating of gases such as natural gas, air, and nitrogen
Hydrocarbon media (crude oil, fuel oil, light hydrocarbons)

When to Consider Material Upgrades

Media containing chlorides (e.g., seawater, high-chlorine cooling water) → Recommended upgrade to stainless steel or copper-nickel alloy
Strongly acidic (pH<4) or strongly alkaline (pH>10) media → Consider stainless steel, duplex steel, or nickel-based alloys
Media contains hydrogen sulfide (H₂S) in humid environment → Must meet NACE MR0175 requirements; sulfur-resistant materials may be necessary
Long-term exposure to high-temperature oxidizing environments (>400°C) → Consider Chromium-Molybdenum Alloy Steel (e.g., 1¼Cr-½Mo)

Extended Corrosion Protection Options

Coating Protection: Epoxy or phenolic coating on tube sheets and shell inner walls
Sacrificial Anodes: Zinc anodes installed in seawater coolers
Chemical Treatment: Optimized water treatment schemes, controlling pH and dissolved oxygen

Core Advantages & Customized Services

Design on Demand: Precise thermal and mechanical design based on your process data to ensure performance meets specifications
Flexible Material Selection: Combining different materials in the same unit, balancing cost and corrosion resistance
Standardization and Customization: TEMA standard sizes available, plus complete custom designs for new or replacement projects
Comprehensive Quality Documentation: Complete Material Quality Reports, Procedural Qualification Reports, Non-Destructive Testing Reports, and ASME data reports
Optional Value-Added Services: Hydrostatic testing witnessing, third-party inspection, on-site installation guidance

Typical Application Areas

Oil Refining: Crude oil preheating, top condensation, product cooling, reboilers, lubricating oil cooling
Natural Gas Processing: Interstage cooling, gas dehydration and regeneration heaters
Power Industry: Generator air coolers, turbine lubricating oil cooling, transformer oil cooling, closed-loop circulating water coolers
HVAC: Boiler heat exchangers, district heating heat exchange stations, chiller condensers/evaporators
Industrial Manufacturing: Air compressor aftercoolers, hydraulic system coolers, process water cooling/heating
Marine & Offshore: Diesel engine coolers, central cooling systems (closed-loop freshwater side)

Get Your Customized Solution

For cost-effective and reliable carbon steel shell-and-tube heat exchangers for your process, please contact the engineering team at Yuhong Group.

Send your process requirements or inquiry to: jimmy@steelseamlesspipe.com

We will provide you with professional technical advice and a competitive quote.

Product Tags: Fixed Tubesheet Shell and Tube Heat Exchanger Floating Head TEMA Heat Exchanger U-Tube Designs Carbon Steel Heat Exchanger

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