Products Description
Studded Fin Tube/ Studded Pin Finned Tubes are tubes used in heat exchangers that have protruding studs and fins on their surface. These help to increase the surface area of the tubes, which in turn improves the heat transfer efficiency. These tubes are commonly used in high temperature and high pressure applications, such as in the chemical, petroleum, and natural gas industries. The studs can be made of a variety of materials, including carbon steel, stainless steel, and other alloys. The fins can also be made from different materials, such as aluminum or copper. Studded Pin Finned Tubes are designed to withstand harsh operating conditions and are a reliable choice for heat transfer applications.
A335 P11 Studded Tube Specification
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Product: |
studded tubes, welded stud tubes,studded steel tubes,studded fin tubes |
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Application: |
, generally in furnaces and boilers where the surface is exposed to a very corrosive environment and where very dirty gas streams require frequent or aggressive cleaning. |
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Size: |
OD: 38 mm ~219 mm |
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WT: 4.0 mm ~20 mm /Tube Length (Mtr) :≤ 15Mtrs |
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Fin Height: 6.0 mm ~ 38 mm |
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Base Tube(fin) Material: |
Carbon Steel |
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Alloy Steel |
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Stainless Steel |
A335 P11 Studded tube size and material
| Tube O.D.: | 25~355.6 (mm) | 1"~14"(NPS) |
| Tube Wall Thk.: | 3.5~28.6 (mm) | 0.14"~1.1" |
| Tube Length: | ≤25,000 (mm) | ≤82 ft |
| Stud Dia.: | 6~25.4 (mm) | 0.23"~1" |
| Stud Height: | 10~50.8 (mm) | 0.4"~2" |
| Stud Pitch: | 8~30 (mm) | 0.3"~1.2" |
| Stud Shape: | Cylindrical, Elliptical, Round, Lens type | |
| Stud to tube surface angle: | Vertical, angular, staggered rows | |
| Stud Material: |
C.S. (most common grade is Q235B) S.S. (most common grade are AISI 304, 316, 409, 410, 321,347 ) A.S. |
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| Tube Material: |
C.S. (most common grade is A106 Gr.B) S.S. (most common grade are TP304, 316, 321, 347 ) A.S.(most common grade are T/P5,9,11,22,91 ) |
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| * This table is used as a general guide to our capabilities, please call us for any other customized cases. | ||
ASTM A335 P11 Tube Chemical Composition
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Grade |
C, % |
Mn, % |
P, % |
S, % |
Si, % |
Cr, % |
Mo, % |
|
ASTM A335 P11 |
0.015 max |
0.30-0.60 |
0.025 max |
0.025 max |
0.50 max |
4.00-6.00 |
0.45-0.65 |
ASTM A335 P11 Tube Mechanical Properties
|
Tensile Strength, MPa |
Yield Strength, MPa |
Elongation, % |
|
415 min |
205 min |
30 min |
Application of A335 P11Finned Tube in Industries
- Economizer
- Boilers
- Heat exhangers
- Tube Bundles
- Radiators
- Air Coolers
- Air Preheater
GNEE A335 P11 Studded tube in stock
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