Alloy Steel Studded Tube, ASME SA335 P5 With 11Cr, Fired Heater, Convective Heater Coils For Oil Refinary
Price:
1--10000 USD
MOQ:
1PC
Delivery Time:
5---75 days
Brand:
YUHONG
Product Description
Alloy Steel Studded Tube, ASME SA335 P5 With 11Cr, Fired Heater, Convective Heater Coils For Oil Refinery
Product Specifications
| Attribute | Value |
|---|---|
| Base Pipe | ASTM A335 P5, ASME SA335 P5 |
| Stud Material | SS409, SS410, 11Cr, 13Cr |
| Studded Tube OD | 50mm ~ 325mm |
| Studded Tube Length | Max.: 34m/pc |
| Studs Diameter | 12.7mm, 15.88mm, 19.05mm |
| Studs Height | Max.: 50.8mm |
| Application | Furnace, Fired Heater, Convective Heater Coils |
Product Description
Studded tubes are engineered components commonly used in heat exchangers and boilers. The strategically placed studs on the exterior surface significantly increase the effective surface area, dramatically improving heat transfer efficiency. This makes studded tubes particularly valuable in applications where optimal heat exchange is critical, including industrial processes, power generation systems, and petrochemical plants.
Key Applications in Heater Systems
- Heater Coils: Enhances heat transfer efficiency by increasing available surface area for thermal exchange
- Combustion Chamber: Improves heat transfer rates and overall system efficiency
- Radiant Section: Maximizes heat transfer between hot gases and internal process fluid
- Convection Section: Optimizes heat transfer from flue gases to process fluid
ASME SA335 P5 Chemical Composition (%)
| C | Si | Mn | P | S | Cr | Ni | Mo | Ti | Nb | Cu | Al | V | Co | Fe | Result |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.15 | ≤0.50 | 0.3~0.6 | ≤0.025 | ≤0.025 | 4.0~6.0 | / | 0.45~0.65 | / | / | / | / | / | / | / | / |
ASME SA335 P5 Tensile Test (ASTM A370-20)
| Tensile Strength: Rm (Mpa) | Yield Strength: Rp 0.2 (Mpa) | Elongation: A (%) |
|---|---|---|
| ≥415 | ≥205 | ≥30 |
Material Advantages
- High Temperature Performance: Engineered for demanding high-temperature environments in power plants and refineries
- Superior Corrosion Resistance: Alloy composition ensures durability in corrosive conditions
- Creep Resistance: Maintains mechanical properties under prolonged high-temperature exposure
- Application Versatility: Suitable for steam pipelines, boiler tubes, heat exchangers, and superheaters
Fin Tube Specifications
| Type | Description | Base Tube O.D. (mm) | Fin Pitch (mm) | Fin Height (mm) | Fin Thickness (mm) |
|---|---|---|---|---|---|
| Embedded | G-type fin tube | 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 | 8~30 | <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 | H/HH type fin tube | 25-63 | 8~30 | <200 | 1.5-3.5 |
| Studded | Studded fin tube | 25-219 | 8~30 | 5~30 | φ5-20 |
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Company
YUHONG HOLDING GROUP CO., LTD
Location
20 Floor, No.1 New World Building, NO.1018 Min'an Road, Yinzhou District, Ningbo, China, ZIP:315040
Contact Person
Sales Dept. (Marketing Director)