Welded Helical Serrated Finned Tube ASME SA192 SMLS Carbon Steel Boiler Tube
ASME SA192 Seamless Carbon Steel Boiler Tube, HFW Serrated Finned Tube
Serrated finning involves creating a series of raised edges along the surface of the tube. The serrations enhance turbulence in the fluid passing around the tube, promoting a better transfer of heat as it disrupts the laminar flow that can occur over smooth surfaces. In one world, such design of serrated finned tube maximizes the surface area available for heat exchange.
Carbon steel, including ASME SA192, is generally less expensive than stainless steel and many alloy steels. This makes it a cost-effective choice for large-scale applications where budget constraints are a consideration.While stainless steel has good thermal conductivity, carbon steel also performs adequately for heat exchange applications. When serrated fins are added, the combination of increased surface area and the carbon steel base tube can lead to efficient heat transfer.
ASTM A192 / ASME SA192 Seamless Carbon Steel Boiler Tube Chemical Compositions
| Chemical Components (%) | |||||||
| C | Si | Mn | P | S | Mo | Cr | V |
| 0.06-0.18 | ≤0.25 | 0.27-0.63 | ≤0.035 | ≤0.035 | / | / | / |
ASTM A192 / ASME SA192 Seamless Carbon Steel Boiler Tube Mechanical Tests Required
| Mechanical Properties | |||
|
Tensile Strength (Mpa) |
Yield Strength (Mpa) |
Elongation (%) |
Hardness (HRB) |
| ≥325 | ≥180 | ≥35 | ≤77 |
Fin Tube Specification
| PRODUCT | TYPE | NAME | BARE TUBE MATERIAL | FIN MATERIAL |
|
Heat Exchanger Finned Tube |
EMBEDDED | G-TYPE FIN TUBE | CARBON STEEL, COPPER, STAINLESS STEEL, ALLOY | ALUMINUM |
| EXTRUDED | SINGLE METAL GOMBINED METAL | CARBON STEEL, COPPER, STAINLESS STEEL, ALLOY | COPPER, ALUMINUM | |
|
LOW FIN TUBE T-TYPE FIN TUBE |
CARBON STEEL, COPPER, STAINLESS STEEL, ALLOY | / | ||
|
BAMBOO TUBE CORRUGATED TUBE |
CARBON STEEL, COPPER, STAINLESS STEEL, ALLOY | / | ||
| WOUND | L/KL/LL TYPE FIN TUBE | CARBON STEEL, COPPER, STAINLESS STEEL, ALLOY | COPPER,ALUMINUM | |
| STRING | STRING FIN TUBE | ALUMINUM, COPPER, CARBON STEEL, STAINLESS STEL | ALUMINUM, COPPER, CARBON STEEL, STAINLESS STEL | |
| U-TYPE | U-TYPE TUBE | CARBON STEEL, COPPER, STAINLESS STEEL | / | |
| WELDING | HF WELDING FIN TUBE | CARBON STEEL, STAINLESS STEEL, ALLOY | CARBON STEEL, STAINLESS STEEL, ALLOY | |
| U-TYPE | H/HH TYPE FIN TUBE | CARBON STEEL, STAINLESS STEEL, ALLOY | CARBON STEEL, STAINLESS STEEL, ALLOY | |
| WELDING | STUDDED FIN TUBE | CARBON STEEL, STAINLESS STEEL, ALLOY | CARBON STEEL, STAINLESS STEEL, ALLOY |
Material Grade
| American Standard | Austenitic Steel: TP304,TP304L,TP304H, TP304N, TP310S,TP316,TP316L,TP316Ti,TP316H, TP317,TP317L, TP321, TP321H,TP347, TP347H,904L… Duplex Steel : S32101,S32205,S31803,S32304,S32750, S32760 Others:TP405,TP409, TP410, TP430, TP439,... |
| Europen Standard | 1.4301,1.4307,1.4948,1.4541,1.4878,1.4550,1.4401,1.4404,1.4571,1.4438, 1.4841,1.4845,1.4539,1.4162, 1.4462, 1.4362, 1.4410, 1.4501 |
| GOST Standard | 08Х17Т,08Х13,12Х13,12Х17,15Х25Т,04Х18Н10,08Х20Н14С2, 08Х18Н12Б,10Х17Н13М2Т,10Х23Н18,08Х18Н10,08Х18Н10Т, 08Х18Н12Т,08Х17Н15М3Т,12Х18Н10Т,12Х18Н12Т,12Х18Н9, 17Х18Н9, 08Х22Н6Т, 06ХН28МДТ |
Benefits of Serrated Fins:
- Increased Efficiency: They significantly improve heat transfer rates compared to plain tubes.
- Space Saving: The enhanced design allows for smaller equipment or greater heat exchange in the same space.
- Corrosion Resistance: Depending on the specific finish and coating, these tubes can be treated for corrosion resistance, extending their lifespan.
Industries of Use:
- Energy Sector: Widely employed in cooling mechanisms and feedwater systems in thermal power installations.
- Chemical Engineering: Effective in reactors and thermal exchange units to regulate temperature profiles in chemical reactions.
- Building Services: Utilized in HVAC and refrigeration systems to bolster efficiency.
- Petroleum and Gas Sector: Integrated in the cooling processes of machinery and pipelines.
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