Alloy Steel Pipe ASTM A335 P9 with 11Cr Studded Fin tube for reactor feed heater, Recovery Furnace application
Brand Name:YUHONG
Certification:ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number:P11, P12, P22, P5, P9 , P91, GR.B
Minimum Order Quantity:100KGS
Delivery Time:10days->
Payment Terms:T/T, L/C
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Ningbo Zhejiang China
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20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
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Alloy Steel Pipe ASTM A335 P9 with 11Cr Studded Fin tube for reactor feed heater, Recovery Furnace application
Alloy Steel Pipe ASTM A335 P9 with 11Cr Studded Fin Tube is a high-performance piping product designed for demanding high-temperature and high-pressure applications. The combination of ASTM A335 P9 alloy steel and 11Cr studded fins provides superior strength, excellent corrosion resistance, and enhanced heat transfer capabilities.
Studded tubes are used in fire furnaces to enhance heat transfer
efficiency and improve the overall performance of the furnace. The
studs on the tubes create turbulence in the flue gas flow, which
helps in increasing heat transfer rates. This results in improved
thermal efficiency and reduced fuel consumption.
Material | C | Si | Mn | P | S | Mo | Cr |
% | % | % | % | max | % | max | |
A 335 Grade P1 | 0,10 - 0,20 | 0,10 - 0,50 | 0,30 - 0,80 | 0,025 | 0,025 | 0,44-0,65 | |
A 335 Grade P5 | max. 0,15 | max. 0,50 | 0,30 - 0,60 | 0,025 | 0,025 | 0,45-0,65 | 4,00-6,00 |
A 335 Grade P11 | 0,05 - 0,15 | 0,50 - 1,00 | 0,30 - 0,60 | 0,025 | 0,025 | 0,44-0,65 | 1,00-1,50 |
A 335 Grade P12 | 0,05 - 0,15 | max. 0,50 | 0,30 - 0,61 | 0,025 | 0,025 | 0,44-0,65 | 0,80-1,25 |
A 335 Grade P22 | 0,05 - 0,15 | max. 0,50 | 0,30 - 0,60 | 0,025 | 0,025 | 0,87-1,13 | 1,90-2,60 |
Quick Detail:
| General Studded Tubes production capacity | General specifications of Studded Tubes tubes |
Production facility: 3 finning machines; Daily capacity up to 80,000 studs; | Tube OD: 219 mm max. Tube Thickness: 4mm~15mm Tube Length: 16 meters max. Studs OD: OD6mm~OD16mm Studs Height: 10mm Min. |
Manufacturing process:
Studs are fully automatically welded onto the tube by resistance welding.
Acceptance criteria:
Approved drawings and the delivery conditions (TDC) of clients.
Delivery condition:
Tube ends are square cut, free burrs, internally dried and air blown clean, externally coated with varnish at both ends of extruded bimetallic fin tube.
Surface Protection:
Oil dip, black coating or varnish.
Type of Studs:
Cylindrical or elliptical
Documentation:
It shall include raw materials mill certificates, inspection and test samples results and warranty certificate of manufacturer.
Applications:
- Furnace
- Chemical
- Petrochemical industry
- Power station etc.
Specifications:
| Items | General Materials | Popular ASTM /ASME Materials |
| Core Tube Material | Carbon Steel Alloy Steel Heat Resistant Steel, Stainless Steel | 1. Carbon Steel: A106 Gr. B 2. Stainless Steel: TP304/304L,TP316/TP316L, TP347 3. Alloy Steel: P5,T5,P9,T9,T11,T22 |
Studs Material | Carbon Steel Stainless Steel | 1. Carbon Steel 2. Stainless Steel: TP409/410,TP304/304L,TP316/TP316L, TP321/TP321L |
Dimensions Data Sheet We're Supplying.
| General Descriptions of Studded tubes | Popular Specifications we make |
| Tube OD(mm) | OD38mm~OD219mm |
| Tube Wall Thickness(mm) | 4mm~15mm |
| Tube Length(mm) | 16,000mm Max. |
| Studs OD(mm) | OD6mm~OD16mm |
| Studs Height(mm) | 10mm~45mm |
| Please email us for more information as your request. | |
Competitive Advantage:
- We have more than 10,000 square meters workshop, including 3 finning machines, daily extrusion capacity up to 80,000 studs.
- Shanghai Port is our nearest seaport and airport, less than 2 hours’ drive away from our workshop, convenient transportation.
- Due to their high rigidity, studded tubes can be used even under extreme temperature and pressure conditions.
Alloy Steel Pipe ASTM A335 P9 with 11Cr Studded Fin tube for reactor feed heater, Recovery Furnace application
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