Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
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ASTM A179 Studded Tube Carbon Steel Base Tube With Carbon Steel For Radiador
YUHONG Group offers ASTM A179 welding studed tube and we sell this type of fin tubes in over 70 countries.
Studded Tubes are applied to convection chamber of heating furnace in petrochemical industry to increase the heat transfer coefficient at the fuming side. It has excellent enhanced heat creation effect, reduces heat transfer resistance, and improves heat transfer coefficient.When the flue gas flows through the heat exchange surface of the nail head tube, the smoke-water heat exchange is performed in the heat exchange tube, the heat transfer efficiency is higher.And the surface area of the nail head tube is less ash, which makes the boiler service life longer.
Specifications For Various Types We can offer
| Type | Description | Base tube | Fin specification (mm) | ||
| O.D. (mm) | Fin pitch | Fin height | Fin thick | ||
| Embedded | G-type fin tueb | 16-63 | 2.1~5 | <17 | ~0.4 |
| Extruded | Single metal combined metal | 8-51 | 1.6~10 | <17 | 0.2-0.4 |
| Low fin tube t-type fin tube | 10-38 | 0.6~2 | <1.6 | ~0.3 | |
| Bamboo tube corrugated tube | 16-51 | 8.0~30 | <2.5 | / | |
| Wound | l/kl/ll type fin tube | 16-63 | 2.1~5 | <17 | ~0.4 |
| String | String fin tube | 25-38 | 2.1-3.5 | <20 | 0.2-0.5 |
| U-type | U-type tube | 16-38 | / | / | / |
| Welding | HF-welding fin tube | 16-219 | 3~25 | 5~30 | 0.8-3 |
| H/HH type fin tube | 25-63 | 8~30 | <200 | 1.5-3.5 | |
| Studed fin tube | 25-219 | 8~30 | 5~35 | φ5-20 | |
Detailes Of ASTM A179 Tube
Chemical Composition (%)
| Grade | C | Mn | P | Su |
| A179 | 0.06-0.18 | 0.27-0.63 | 0.035 | 0.035 |
Mechanical Properties
| Grade | Tensile Strength,min | Yield Strength (0.2%Offset,min) | Elongation |
| A179 | ksi-47,MPa-325 | ksi-26,MPa-180 | 35% |
Application Industries
Boilers (Calderas)
Economizers
Waste Heat Recovery
Air Coolers / Oil Coolers / Hydrogen Coolers / Generator Coolers
Air Perheaters / Air Cooling Heat Exchanger / Super Heaters / Fired heaters / HRSG
Heat Pipe Technology
Oil / Petroleum Industry
Metallurgical industry
Power industry
Light industry
Pharmaceutical industry
Food industry
Chemical industry