ASME Sec.VIII Div.1 TEMA R Kerosene Cooler Tube Bundle Heat Exchanger for Crude Distillation Unit
ASME Sec.VIII Div.1 TEMA R Kerosene Cooler Tube Bundle Heat Exchanger for Crude Distillation Unit
This industrial-grade tube bundle heat exchanger is custom-engineered specifically as a Kerosene Cooler for deployment within refinery Crude Distillation Units. Constructed strictly in accordance with international oil and gas piping and pressure vessel metrics, this team heat exchanger provides precise thermal regulation under aggressive processing conditions. The design optimizes fluid dynamics and heat transfer efficiency while maintaining a robust structural configuration capable of handling hazardous hydrocarbon streams.
Mechanical Property Limits for Core Pressure Components
| ASME Material Grade | Minimum Tensile Strength | Minimum Yield Strength | Elongation in 2" (50mm) | Brinell Hardness (Max) |
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ASME SA-516 Gr. 70 |
70 ksi (485 MPa) | 38 ksi (260 MPa) | 21% | 180 HBW |
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ASME SA-105 |
70 ksi (485 MPa) | 36 ksi (250 MPa) | 22% | 187 HBW |
| ASME SA-106 Gr. B | 60 ksi (415 MPa) | 35 ksi (240 MPa) | 30% | 170 HBW |
Chemical Composition Matrix (% Max, Product Analysis)
| Material Grade | Carbon (C) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | Silicon (Si) |
|
ASME SA-516 Gr. 70 |
0.27% – 0.31% | 0.85% – 1.20% | 0.035% | 0.035% | 0.15% – 0.40% |
|
ASME SA-105 |
0.35% | 0.60% – 1.05% | 0.035% | 0.040% | 0.10% – 0.35% |
| ASME SA-106 Gr. B | 0.30% | 0.29% – 1.06% | 0.035% | 0.035% | 0.10% Min |
Attributes
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Pressure-Retaining Shell Material: ASME SA-516 Grade 70 (Carbon Steel for Moderate and Lower Temperature Service)
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Application: Fabricated for the main shell cylinders, longitudinal seams (LS1, LS2, LS3), and high-pressure channel boundaries requiring superior notch toughness and pressure containment.
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Forged Flange & Hub Material: ASME SA-105 (Carbon Steel Forgings for Piping Applications)
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Application: Utilized for all high-rating heavy-wall nozzle flanges (N8, N7, N9, N10, N11, N12) to ensure robust bolting integrity and zero leakage under thermal cycling.
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High-Pressure Coupling & Fitting Material: ASME SA-105 / SA-106 Gr. B
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Application: Specified for the 1" Class 6000# high-pressure instrument and venting connections (N19, N20, N11, N13, N14) to resist high shear forces.
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Heat Exchanger Tubes Material: ASME SA-179 / SA-213 Series (Cold-Drawn Seamless Low-Carbon Steel / Alloy Steel Tubes)
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Application: The core precision heat exchanger tubes making up the internal bundle matrix, optimized for maximum thermal conductivity and scaling resistance.
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External Structural Supports (Saddles): ASME SA-36 / SA-516 Gr. 70
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Application: Used for the heavy-duty Fixed Saddle and Sliding Saddle assemblies to manage dead loads and thermal expansion across the longitudinal axis.
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Material Certification & Traceability: Full compliance with ASME Section II (Materials) Part A & Part D, accompanied by certified Mill Test Reports (EN 10204 3.1) verifying 100% heat traceability.
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