| Place of Origin: | CHINA | 
| Brand Name: | YUHONG | 
| Certification: | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 | 
| Model Number: | ASTM A335 P11 | 
| Minimum Order Quantity: | Depend the size of finned tubes, 50-100PC | 
|---|---|
| Price: | 30-10000 USD | 
| Packaging Details: | Ply-wooden Case With Iron Frame | 
| Delivery Time: | 30-60 days | 
| Payment Terms: | L/C,T/T | 
| Supply Ability: | 1000 tons/month | 
| Type: | Serrated Spiral Fin Tubes | Material: | ASTM A335 P11 Base Tubes And Gr.11 Fins | 
|---|---|---|---|
| Tube Details: | 114.3mm O.D. And 6.02mm ( SCH 40S ) W.T. | Fin Details: | Fin Thickness 1.27mm, Fin Height 25.4mm, 5 FPI | 
| Use: | For Large Equipment, Heat Exchanger / Boiler / Furnaces / Condensers / Evaporators, Etc | Packing: | Ply-wooden Case With Iron Frame | 
| Highlight: | SCH 40S Serrated Finned tube,custom Serrated Finned tube,Spiral fins for heating pipes | 
			    	||
ASTM A335 P11 Spiral Serrated Finned Tube For Heating Pipes
Serrated spiral HF (high-frequency) welding fin tubes are advanced heat exchangers designed to enhance thermal performance through a unique fin design. The combination of serrated fins and spiral configurations maximizes heat transfer while maintaining structural integrity.
Chemical Composition (%)
| Grade | C | Mn | P | S | Si | Cr | Mo | Ni | V | 
|---|---|---|---|---|---|---|---|---|---|
| P11 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.5-1.00 | 1.00-1.50 | 0.44-0.65 | ... | ... | 
| Grade | Tensile Strength, min | Yield Strength (0.2% Offset, min) | 
|---|---|---|
| P11 | 60ksi (415 MPa) | 30ksi (205 MPa) | 
Contact Person: Sales Dept.
Tel: +8613819835483