| Payment Type: | L/C,T/T |
| Incoterm: | FOB |
| Transportation: | Ocean,Land |
| Port: | Shanghai |
| Selling Units | : | Piece/Pieces |
Welded Square Fin Tube
Welded Square Fin Tube is also called as H/Hh Fin Tube.The Welded Square Fin Tube is welded by medium frequency resistance welding, the weld fusion rate is high providing good tensile strength,and good heat conduction performance, and the heat transfer area is greatly extended. TheWelded Square Fin Tube has single-tube(H type) and double-tube(HH type), wherein the single-tube fin structure is more flexible in design, and has a better cooling effect, generally used in a high temperature section. The double-tube type has better structural rigidity and can be applied to applications where longer tube is required. The fin material can be made of carbon steel or heat-resistant alloy steel depending on the temperature.
WHY USE FINNED TUBES
Rigid structure and higher wear life
Lower flue side resistance, compact assembly, shorter breeching duct and lighter of equipment weight
Square Finned Tube has better performance on anti-ashing and wear resistance than spiral finned tube
Lower thermal contact resistance and higher thermal conductivity
DIMENSION AND MATERIAL
The following table shows Simcan’s manufacturing capabilities for Welded Square Fin Tube:
| Tube O.D.: | 25.0 to 73.0 (mm) | 1/2” to 2 1/2”(NPS) |
| Tube Wall Thk.: | 3.0 to 6.0 (mm) | 0.118” to 0.236” |
| Tube Length: | ≤ 18,500 (mm) | ≤ 60.7 ft |
| Fin Thk.: | 1.5 to 4.0 (mm) | 0.060” to 0.157” |
| Fin Height: | 25.0 to 45.0 (mm) | 0.98” to 1.77” |
| Fin Pitch: | 20 to 117 FPM | 1 to 3 FPI |
| Fin Type: | H , HH | |
| Fin Material: | C.S. (most common grade is Q235B) S.S. (most common grade are AISI 304, 316, 409, 410, 321,347 ) A.S. (most common grade is 12 Cr1MoV ) | |
| Tube Material: | C.S. (most common grade: A106 Gr.B, A210, A192) S.S. (most common grade are TP304, 316, 321, 347 ) A.S.(most common grade are T/P5,9,11,22,91 ) Duplex Steel(most common grade are 2205 etc. ) | |
| * This table is used as a general guide to our capabilities, please call us for any other customized cases. | ||
PRODUCTION CAPACITY
Simcan has Total six (6) medium frequency welded Square Fin Tube finning lines, monthly production capacity is 1200 tons in total.
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