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| Brand Name : | YUHONG |
| Model Number : | Studded Fin Tube , Pin Tube, Oil Furnace Tube , Steam Furnace Tube, Reforming Tube |
| Certification : | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Price : | negotiable |
| Payment Terms : | T/T, L/C |
| Supply Ability : | 1500 tons per month |
| Delivery Time : | 10days-> |
Studded Tube , ASTM A213 T9, ASME SA213 T11 with 11Cr (SS 409)
Studded Fin Tube For Furnace
YUHONG GROUP Studded tube is mainly used in petrochemical and coal chemical industry for tubular heating furnace, convection heat exchanger, air preheater, chemical equipment, heat exchange equipment. To expand the heat transfer area of the light tube by 2 to 3 times, it can improve the heat transfer coefficient of the flue gas side, improve the comprehensive thermal efficiency of the equipment, and is an energy-saving heat transfer element. Its main function is to expand the heat transfer area of the tube and improve the thermal efficiency of the heating furnace.
YUHONG GROUP ASME SA213 T9 / ASTM A213 T9 material is the U.S. standard production of high temperature with
chromium-molybdenum alloy heat-resistant steel, because of its good
oxidation resistance, high temperature strength and resistance to
sulfide corrosion performance, widely used in petroleum refining
devices high temperature, high pressure, flammable, explosive
pipeline, especially the heating furnace direct heat pipe, the
medium temperature up to 550 ~ 600 ℃
Chemical composition(%):
| Grade | C | Mn | P≤ | S≤ | Si | Cr | Mo |
| P11 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 |
| P22 | 0.05-0.16 | 0.30-0.60 | 0.025 | 0.025 | ≤0.50 | 1.90-2.60 | 0.87-1.13 |
| P5 | ≤0.15 | 0.30-0.60 | 0.025 | 0.025 | ≤0.50 | 4.00-6.00 | 0.45-0.65 |
| P9 | ≤0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.25-1.00 | 8.00-10.00 | 0.90-1.10 |
| P91 | 0.08-0.12 | 0.30-0.60 | 0.020/0.010 | 0.020/0.010 | 0.02-0.50 | 8.00-9.50 | 0.85-1.05 |
| P92 | 0.07-0.13 | 0.30-0.60 | 0.020/0.010 | 0.020/0.010 | ≤0.50 | 8.50-9.50 | 0.30-0.60 |
Mechanical properties:
| Grade | Tensile strength | Yield strength | Elongation |
| P11, P22, P5, P9 | ≥415 | ≥205 | ≥30/20 |
| P91 | ≥585 | ≥415 | ≥20 |
| P92 | ≥620 | ≥440 | ≥20 |
Competitive Advantage:
Application:
1️⃣ Heat Exchangers: Studded tubes are widely used in heat
exchangers for efficient heat transfer. The studs on the surface
enhance the heat transfer coefficient and improve performance.
2️⃣ Boilers: Studded tubes are employed in boilers to increase the
surface area for heat transfer. They help in improving the overall
efficiency and reducing fuel consumption.
3️⃣ Petrochemical Industry: Studded tubes are utilized in
petrochemical plants for processes like cracking, reforming, and
corrosive gas handling. They provide resistance against high
temperature and corrosion.
4️⃣ Power Plants: Studded tubes find application in power plants,
especially in boilers and superheaters, to optimize heat transfer
and enhance thermal efficiency.
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