ASME SA179 Carbon Steel Seamless U Bend Tube for Shell & Tube Heat Exchanger
Yuhong Group has established itself as a premier global supplier and manufacturer of high-performance industrial piping, pressure vessels, and specialized thermal components. With an extensive distribution network and advanced manufacturing facilities, we deliver robust solutions across four core divisions: Yuhong Pipeline, Yuhong Equipment, Yuhong Fin Tube, and Yuhong Medical.
At the heart of our engineering capabilities is our dedicated focus on Heat Exchanger Tubes, where we combine precision metallurgy, strict adherence to international standards, and tailored geometric processing to meet the world’s most demanding industrial thermal applications.
Chemical Composition-ASME SA179 Carbon Steel Seamless U Bend Tube for Shell & Tube Heat Exchanger
| Element | Symbol | Specification Value (%) |
| Carbon | C | 0.06 – 0.18 |
| Manganese | Mn | 0.27 – 0.63 |
| Phosphorus | P | ≤0.035 |
| Sulfur | S | ≤0.035 |
| Silicon | Si | ≤0.25 |
Mechanical Properties-ASME SA179 Carbon Steel Seamless U Bend Tube for Shell & Tube Heat Exchanger
| Property Item | Required Value (Metric) | Imperial Equivalent |
| Tensile Strength | ≥325 MPa | ≥47 ksi |
| Yield Strength | ≥180 MPa | ≥26 ksi |
| Elongation (in 2 in. / 50mm) | ≥35 % | - |
| Rockwell Hardness | ≤72 HRB | ≤137 HBW (Brinell Hardness) |
Specification-ASME SA179 Carbon Steel Seamless U Bend Tube for Shell & Tube Heat Exchanger
| Parameter / Item | Technical Specification / Value | Remarks |
| Outer Diameter (OD) | 12.7 – 38 mm | |
| Bending Radius (R) | 1.5 * OD to 1250 mm | For OD > 28 mm, the minimum bending radius can be further discussed. |
| Min. Straight Tube Length | 1000 mm | Minimum manufacturing limit |
| Max. Straight Tube Length | 12000 mm | Maximum manufacturing limit |
| Heat Treatment Requirement | Mandatory for bending radius (R) < 1000 mm | Applied for stress relieving of bent sections |
Core Applications-ASME SA179 Carbon Steel Seamless U Bend Tube for Shell & Tube Heat Exchanger
Oil, Gas & Petrochemical Industry: Used in shell and tube heat exchangers, condensers, reboilers, and evaporators
Power Generation: feedwater heaters, main steam condensers, and plant coolers.
Chemical Processing: reactor jacket thermal control loops, vaporizers, and air preheaters
