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| Categories | Heat Exchanger |
|---|---|
| Brand Name: | YUHONG |
| Model Number: | Fixed Tube Sheet Heat Exchanger, TEMA Class R BEM |
| Certification: | ASME U Stamp, PED 2014/68/EU, ISO 9001/14001 |
| Place of Origin: | CN |
| MOQ: | 1 SET |
| Price: | Negotiable |
| Payment Terms: | T/T, L/C AT SIGHT |
| Supply Ability: | 15 SETS/MONTH |
| Delivery Time: | 120 days |
| Packaging Details: | Weatherproofed with steel skids for ocean freight |
| Design Pressure (Tube): | 4.0 MPa (580 psi) |
| Tube: | ASTM SA179 Seamless Carbon Steel Tube |
| Tubesheet: | SA516 Gr.70 + SS309L Clad Layer (Explosion-Bonded) |
| Shell: | ASTM SA516 Gr.70 Carbon Steel |
| Baffle Material: | SA516 Gr.70 Carbon Steel (25% Baffle Cut, Segmental) |
| Company Info. |
| Yuhong Group Co.,Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
TEMA Class R BEM Heat Exchanger, Fixed Tubesheet, NACE SA179 tube for Sour Gas Refinery Service
Yuhong Holding Group Co., Ltd is a globally recognized leader in the manufacturing and supply of industrial equipment, including heat exchangers, fired heaters, air coolers, and their critical components. With decades of expertise and a commitment to delivering the highest quality products, we serve customers across various industries worldwide.
Among our premium offerings is the ASTM SA179 Seamless Carbon Steel Tube, specifically designed for Fixed Tube Sheet Heat Exchangers. Renowned for its excellent thermal conductivity, durability, and reliability, SA179 seamless tubes are the ideal choice for efficient and long-lasting heat exchanger systems.
1. ASTM SA179 Chemical Composition and Mechanical Properties
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.06 |
| Manganese (Mn) | 0.27–0.63 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.035 |
The low carbon content in SA179 minimizes the risk of carbide precipitation, ensuring superior ductility and weldability while maintaining excellent thermal conductivity.
| Property | Value |
|---|---|
| Tensile Strength | ≥ 325 MPa (47,000 psi) |
| Yield Strength | ≥ 180 MPa (26,000 psi) |
| Elongation | ≥ 35% |
| Hardness | ≤ 72 HRB |
These mechanical properties ensure that SA179 seamless tubes can withstand high pressures and temperatures while maintaining structural integrity and efficient heat transfer.
Technical Specifications
| No. | Parameter | Specification |
| 1 | Design Pressure (Shell) | 2.5 MPa (362 psi) |
| 2 | Design Pressure (Tube) | 4.0 MPa (580 psi) |
| 3 | Nozzle Standards | ANSI B16.5 RF Flanges (Class 150/300) |
| 4 | Flange Material | ASTM A105 Forged Carbon Steel |
| 5 | Gasket Type | Spiral-Wound (SS316L + Graphite Filler) |
| 6 | Bolting | ASTM A193 B7 Studs + A194 2H Nuts |
| 7 | Supports | Fixed Saddle Supports (SA516 Gr.70) |
| 8 | Surface Finish (Shell) | Sandblasted (SA 2.5) + Epoxy Coating (≥120 μm) |
| 9 | Tube Interior Finish | Electropolished (Ra ≤0.8 μm) |
| 10 | Thermal Efficiency | ≥95% (Clean Condition) |
| 11 | Heat Transfer Coefficient | 500–1,200 W/m²·K (Varies with Steam Velocity) |
| 12 | Shell-Side Pressure Drop | ≤0.05 MPa (7.25 psi) |
| 13 | Tube-Side Pressure Drop | ≤0.1 MPa (14.5 psi) |
| 14 | Fouling Resistance | 0.0002 m²·K/W (Tube Side) / 0.0001 m²·K/W (Shell Side) |
| 15 | Max Steam Flow Rate | 50–200 t/h |
| 16 | Condensing Capacity | 10–100 MW |
| 17 | Welding Standards | ASME Sec IX (SAW for Longitudinal Welds, GTAW for Tube-to-Tubesheet Joints) |
| 18 | NDT Methods | 100% RT (Shell Welds), PT (Tubesheet Joints), UT (Clad Bond Integrity) |
| 19 | Hydrostatic Test | 1.5× Design Pressure (30 Minutes, Zero Leakage) |
| 20 | Pneumatic Test | 1.1× Design Pressure (Helium Mass Spectrometry Leak Detection) |
| 21 | Third-Party Inspection | TÜV/SGS Witnessed (Optional) |
| 22 | Certifications | ASME U Stamp, PED 2014/68/EU, ISO 9001/14001 |
| 23 | Installation Environment | Indoor/Outdoor (IP55 Protection), Seismic Zone 4 (IBC 2018) |
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