YUHONG HOLDING GROUP CO., LTD
| supports | ASME SA516 GR.60 |
| shell | ASME SA387 GR.5 CL.2 |
| heads | ASME SA387 GR.5 CL.2 |
| baffles | ASME SA387 GR.5 CL.2 |
| tubesheet | ASME SA336 F5A |
| flange | ASME SA182 F5 |
| Payment Terms | T/T,L/C,D/A |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap etc. |
| Delivery Time | 20-80 days |
| Supply Ability | 60 SETS/MONTH |
| nozzles | ASME SA335 P5 |
| channel | ASME SA387 GR.5 CL.2 |
| Brand Name | YUHONG |
| Certification | ASME VIII Div. 1, PED/97/23/CE, TEMA R, TEMA C, TEMA B |
| Model Number | Stack Type Heat Exchanger |
| Place of Origin | CHINA |
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Product Specification
| supports | ASME SA516 GR.60 | shell | ASME SA387 GR.5 CL.2 |
| heads | ASME SA387 GR.5 CL.2 | baffles | ASME SA387 GR.5 CL.2 |
| tubesheet | ASME SA336 F5A | flange | ASME SA182 F5 |
| Payment Terms | T/T,L/C,D/A | Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap etc. |
| Delivery Time | 20-80 days | Supply Ability | 60 SETS/MONTH |
| nozzles | ASME SA335 P5 | channel | ASME SA387 GR.5 CL.2 |
| Brand Name | YUHONG | Certification | ASME VIII Div. 1, PED/97/23/CE, TEMA R, TEMA C, TEMA B |
| Model Number | Stack Type Heat Exchanger | Place of Origin | CHINA |
| High Light | Desalted crude oil heat exchanger ，Shell and tube TEMA exchanger ，Atmospheric residue heat exchanger | ||
ASME U Stamp Shell and Tube Heat Exchanger TEMA Class R U Tube Bundle for Crude Oil
YUHONG built to manage high-temperature, high-pressure crude fractions, this unit utilizes an advanced floating head design (TEMA Class R), guaranteeing excellent thermal efficiency, easy maintenance, and maximum mechanical reliability under cyclical thermal stresses.
Chemical Composition
| ASME Material Grade & Component | Cr (Chromium) | Mo (Molybdenum) | C (Carbon) | Mn (Manganese) | Si (Silicon) | Other Key Elements |
| SA-387 Gr. 5 Cl. 2 | 4.00 – 6.00 | 0.45 – 0.65 | ≤ 0.15 | 0.30 – 0.60 | ≤ 0.50 | P ≤ 0.035, S ≤ 0.035 |
| (Shell Plates) | ||||||
| SA-213 T22 | 1.90 – 2.60 | 0.87 – 1.13 | 0.05 – 0.15 | 0.30 – 0.60 | ≤ 0.50 | P ≤ 0.025, S ≤ 0.025 |
| (Seamless Tubes) | ||||||
| SA-336 F22 Cl. 3 | 2.00 – 2.50 | 0.87 – 1.13 | ≤ 0.15 | 0.30 – 0.60 | 0.15 – 0.35 | Ultra-pure melt control |
| (Forged Tubesheet) | ||||||
| SA-182 F5 / F22 Cl. 3 | F5: 4.00–6.00 | F5: 0.44–0.65 | ≤ 0.15 | 0.30 – 0.60 | 0.15 – 0.35 | Strict residual element limits |
| (Forged Flanges) | F22: 2.00–2.50 | F22: 0.87–1.13 |
Material Specifications
Shell & Channel Shell: Fabricated from ASME SA-387 Grade 5 Class 2 (Chromium-Molybdenum steel plate)
Heat Exchanger Tubes: Features 1,350 seamless tubes. The tube material is ASME SA-213 Grade T22, providing superior resistance to scaling and corrosion.
Tube Sheets: High-integrity ASME SA-336 Grade F22 Class 3 forgings.
Nozzles & Flanges: Utilizing forged ASME SA-182 Grade F5 / F22 to maintain consistent chemical and mechanical compatibility across all welding joints.
Gaskets: High-performance Sigraflex Hochdruck / Spiral Wound Gaskets (SS + Graphite)
ASME Fabrication Compliance
Non-Destructive Examination (NDE):
Radiographic Testing (RT): 100% Full Radiography (RT1)
Magnetic Particle Testing (MT)
Penetrant Testing (PT)
Post-Weld Heat Treatment (PWHT): Mandatory PWHT
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
1990
Total Annual:
50M-75M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
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