TEMA Shell and Tube Heat Exchanger SA249 TP304 Stainless Steel Welded Tube Bundle
YUHONG specialize in the design and manufacturing of pressure vessels and heat exchangers, holding ASME U Stamp and TEMA certifications. Our production strictly adheres to ASME Section VIII, Division 1 and TEMA standards, delivering high-performance equipment for industries including petrochemicals, chemicals, power generation and environmental protection.
SA249 TP304 Welded Tubes: Material Overview
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Property
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Description
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| Chemical Composition |
- Chromium (Cr): 18.0–20.0% - Nickel (Ni): 8.0–11.0% - Carbon (C): ≤0.08% - Manganese (Mn): ≤2.00% - Silicon (Si): ≤1.00% |
| Mechanical Properties |
- Tensile Strength: ≥515 MPa - Yield Strength: ≥205 MPa - Elongation: ≥35% - Hardness: ≤92 HRB |
| Corrosion Resistance |
Excellent in humid/oxidizing environments; |
| Weldability |
Superior weldability; |
| Thermal Conductivity |
For heat transfer requirements. |
Cost Advantages of SA249 TP304 Welded Tubes
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Advantage
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| 1. High Material Utilization |
| 2. High Production Efficiency |
| 3. Lower Equipment Investment |
| 4. Stable Pricing |
| 5. Scalability |
SA249 TP304 Welded Tubes vs. SA213 TP304 Seamless Tubes
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Parameter
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SA249 TP304 Welded Tubes
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SA213 TP304 Seamless Tubes
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| Material Cost |
Lower (thin-plate welding, minimal waste). |
Higher |
| Pressure Tolerance |
low-to-medium pressure |
For high-pressure/temperature (e.g., boilers). |
| Corrosion Resistance |
acidic/oxidizing environments. |
acidic/oxidizing environments. |
| Economy |
Cost-effective for large projects. |
Higher cost. |
| Weld Quality |
ERW/TIG |
avoids weld-related risks. |
| Applications |
FGD systems |
extreme conditions. |
Engineering Support & Global Project Services:
For custom ASME design verification, HTRI thermal calculations, or urgent RFQ processing, our lead sales engineer Max Zhang (Yuhong Group) provides direct technical assistance.
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Direct Line / WhatsApp: +86-153-8196-4640
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Engineering Mail: max [at] steelseamlesspipe [dot] com
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Official Spec Portal: www [dot] tema-heatexchanger [dot] com

This TEMA shell and tube bundle is manufactured from SA249 TP304 stainless steel welded tube, an economical choice for petrochemical and chemical processing service where full corrosion resistance is required without the cost of seamless product. The welded tube construction meets SA249 specification requirements, giving you a dependable, code-compliant bundle that can be supplied as a replacement for your existing exchanger. Fabrication is performed under ASME U Stamp with CE certification, and the bundle is dimensionally matched to your current tubesheet layout for drop-in installation. Material certificates, test reports and documentation are provided, with technical support available during installation.