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| Categories | Boiler Tube |
|---|---|
| Brand Name: | YUHONG |
| Model Number: | ASME SA179 A179 |
| Certification: | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001, ISO 14001, ISO18001, ASME |
| Place of Origin: | CHINA |
| MOQ: | 1PC |
| Price: | Negotiable |
| Payment Terms: | L/C, D/A, D/P, T/T |
| Supply Ability: | 15000tons/month |
| Delivery Time: | 5-80 Days |
| Packaging Details: | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Standard: | ASME SA179 ASTM A179 |
| Material: | Carbon Steel |
| OD: | 6.35MM-114.3MM |
| Wall thickness: | 10BWG-15BWG |
| NDT: | Eddy Current Test, Hydrostatic Test, Ultrasonic Test |
| Application: | Boiler, Heat Exchanger, Heating |
| Company Info. |
| Yuhong Group Co.,Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
ASME SA179 ASTMA179 Seamless U Bend Tube Seamless Cold-Drawn Low Carbon Steel Heat Exchanger And Condenser Tubes
ASME SA179/A179 seamless U-tube is a standardized tube made of low-carbon steel seamless tube precisely cold-bent into a U shape.
Due to its excellent thermal conductivity, reliable pressure resistance (seamless structure), good processability and thermal compensation capability (U-shaped design), it has become one of the preferred materials for heat transfer tubes in shell and tube heat exchangers and is widely used in the core parts of heat exchange equipment in the power, petrochemical, HVAC and other industries.
Chemical Composition of ASTM A179/ASME SA179 U Bend Tubes
| Material | Chemical Composition(%) | ||||
| C | Si | Mn | P | S | |
| STM A179/ASME SA179 | 0.06-0.18 | ≤ 0.25 | 0.27-0.63 | ≤0.035 | ≤0.035 |
Mechanical Propertie of ASTM A179/ASME SA179 U Bend Tube
| Grade | ASTM A179 |
| Tensile Strength(MPa) | ≥325 |
| Yield Strength(MPa) | ≥180 |
| Elongation,% | ≥35 |
| Hardness, HRB | ≤72 |
Application
Shell and Tube Heat Exchangers
Condensers:
In power plants and chemical plants, steam is condensed into liquid
water. The U-shaped tube can expand freely to avoid thermal stress
causing leakage at the tube sheet interface.
Evaporators:
Used for liquid vaporization in refrigeration and chemical
processes, the U-shaped structure is compact and improves
evaporation efficiency.
Oil Coolers/Process Fluid Heat Exchangers:
Cooling lubricating oil or process media in petrochemicals and
ships, the pressure resistance of seamless tubes ensures safe
operation.
Boiler Systems
Low-pressure boiler economizers:
Recover flue gas waste heat to preheat boiler feed water, and the
thermal conductivity of low-carbon steel optimizes heat recovery
efficiency.
Low-pressure superheaters:
Superheating low-temperature steam (usually ≤400°C), U-shaped
elbows relieve thermal expansion stress.
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