ASTM A335 Gr. P5 P9 P11 P22 Alloy Steel Studded Fin Tube , Tubos Aletados
This page is about ASTM A335 Gr. P5 P9 P11 P22 studed alloy steel fin tube, studed fin tubes with fin general material carbon / alloy / stainless steel , we sell these fin tubes in many years.
YUHONG Group can make kinds of industry projects and supply variety of extruded fin tubes in industries. All of our products are domestically sourced, developed, and produced, that means our customers have easy access to exactly the products they need for their particular application.
Specifications For Various Types Of Finned Tubes
| Type | Description | Base tube | Fin specification (mm) |
| O.D. (mm) | Fin pitch | Fin height | Fin thick |
| Embedded | G-type fin tueb | 16-63 | 2.1~5 | <17 | ~0.4 |
| Extruded | Single metal combined metal | 8-51 | 1.6~10 | <17 | 0.2-0.4 |
| Low fin tube t-type fin tube | 10-38 | 0.6~2 | <1.6 | ~0.3 |
| Bamboo tube corrugated tube | 16-51 | 8.0~30 | <2.5 | / |
| Wound | l/kl/ll type fin tube | 16-63 | 2.1~5 | <17 | ~0.4 |
| String | String fin tube | 25-38 | 2.1-3.5 | <20 | 0.2-0.5 |
| U-type | U-type tube | 16-38 | / | / | / |
| Welding | HF-welding fin tube | 16-219 | 3~25 | 5~30 | 0.8-3 |
| H/HH type fin tube | 25-63 | 8~30 | <200 | 1.5-3.5 |
| Studed fin tube | 25-219 | 8~30 | 5~35 | φ5-20 |
Tube Material : Materials Carbon Steel ,Alloy Steel (P5,P9,P11, P22),Stainless Steel and Corrosion-resistance Steel and etc.
Studded Tubes are applied to convection chamber of heating furnace in petrochemical industry for increasing the heat transfer coefficient at the fuming side. Studded Tubes are two or three times the square of light Tubes and because of the usage of studded Tubes, the hot strength can be got as the same as radiation in the reasonable design.
General Specifications Fin Tubes
Base Tube/Pipe Size: Min 2” Nb To Max 8” Nb Pipe
(A106GrB, A335 P11, P22, P5,P9,A312,TP304, TP310S, TP316H, TP321H, TP347H.)
Stud Height: Min 0.5” (12.7 Mm) To Max – 2.5” (63.5MM)
Stud Diameter: Standard Size Is Circular For Extended Portion 0.5” (12.7MM) (or Be Changed As Per Customer Requirement)
Stud Spacing : 0.625” (15.875 Mm) Or 63 Studs Per Plane Per Meter (or Be Changed As Per Customer Requirement)
Thickness:4-20mm or other
No fin area on both side: As Customer's request and drawing
Detailes Of ASTM A335 Tube P9 S50400
ASTM A335 This specification covers nominal wall and minimum wall seamless ferritic alloy-steel pipe intended for high-temperature service. Pipe ordered to this specification shall be suitable for bending, flanging (vanstoning), and similar forming operations, and for fusion welding. Selection will depend upon design, service conditions, mechanical properties, and high-temperature characteristics.
Chemical Composition (%)--MAX
| Grade | C | Mn | P | Su | Si | Cr | Mo |
| P5 | 0.15 | 0.3-0.6 | 0.025 | 0.025 | 0.5 | 4-6 | 0.45-0.65 |
| P9 | 0.15 | 0.3-0.6 | 0.025 | 0.025 | 0.25-1 | 8-10 | 0.9-1.1 |
| P11 | 0.05-0.15 | 0.3-0.6 | 0.025 | 0.025 | 0.5-1 | 1-1.5 | 0.44-0.65 |
| P22 | 0.05-0.15 | 0.3-0.6 | 0.025 | 0.025 | 0.5 | 1.9-2.6 | 0.87-1.13 |
Mechanical Properties
| Grade | Tensile Strength,min | Yield Strength (0.2%Offset,min) | Elongation-Longitudinal | Hardness max |
| P5 P9 P11 P22 | MPa-585 | MPa-415 | 30% | 25HRC |
Features Of Finned Tube
1.An energy-efficient heat exchange component, with high heat transfer efficiency and high bearing pressure, best adapted to high temperatura areas
2.Using power frequency contact type resistance welding and upsetting force fusion welding
3.Adopts dual-torch metal tumor-free welding. Welding precision is ensured
4.The studded tubes welder is a mechanical-electrical integrated welder.the operation is simple and reliable,with stable and convenient performance
Related Industries Involved
1.Petroleum Industry
2.Metallurgical industry
3.Power station boilers
4.Heat exchange systems
5.Pharmaceutical industry
6.Petrochemical industry
7.Waste heat recovery
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ASTM A335 Gr. P5 P9 P11 P22 Alloy Steel Studded Fin Tube , Tubos Aletados Images
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