ASME SA335 P9 Chromium Molybdenum Alloy Studded Finned Tubes For High Temperature Furnace
| Attribute | Value |
|---|---|
| Product name | Finned Tube |
| Type | Studded Finned Tube with High Frequency Welded Finned Tube |
| Application | Heater Parts, Refrigeration Parts, Fluid Cooling |
| Dimensions | 101.6mm, 114.3mm, 141.3mm, etc. |
| Length | 1-20000mm |
| Fin height | 4-17mm |
| Tube material | Carbon Steel, Stainless Steel, Alloy Steel, Copper Etc |
| Fin material | Carbon Steel, Stainless Steel, And Alloy Steel Etc |
| Warranty | 6 Months |
| Welding area | According to actual demand |
Yuhong Holding Group Co., Ltd. introduces ASME SA335 P9 Studded Finned Tubes, engineered for high-temperature industrial applications. Utilizing high-frequency welding (HFW) technology, these tubes combine chromium-molybdenum alloy durability with optimized heat transfer efficiency.
- Base Material: ASME SA335 P9 Chromium-Molybdenum Alloy Steel
- Fin Material: High-grade stainless steel (AISI 304/316L) for corrosion resistance
| Element | Cr | Mo | C | Mn | Si |
|---|---|---|---|---|---|
| Composition | 8.0-10.0% | 0.90-1.10% | ≤0.15% | 0.30-0.60% | 0.50-1.0% |
Compliant with ASME and ASTM standards.
| Property | Value |
|---|---|
| Tensile Strength | ≥620 MPa |
| Yield Strength | ≥415 MPa |
| Elongation (A50) | ≥20% |
| Operating Temperature | -20°C to 650°C |
- High-Frequency Welding (HFW): Ensures 95% weld integrity between studs and base tube
- Studded Fin Design: Spiral studs (diameter: 8-12mm) increase surface area by 3-5x
- Post-Weld Treatment: Shot blasting and anti-corrosion coating (zinc or epoxy)
- High-Temperature Furnaces: Cement kilns, steel reheating furnaces
- Heat Recovery Systems: Boilers, economizers
- Oil & Gas: Crackers, reformers
- Enhanced Heat Transfer: 30-50% higher efficiency compared to smooth tubes
- Corrosion Resistance: Suitable for acidic or sulfur-rich environments
- Customization: Available in lengths up to 18m and stud configurations (helical/axial)
A: Standard lead time is 4-6 weeks for 20-ft container loads.
A: Yes, the ASME SA335 P9 alloy ensures stability under repeated heating/cooling.
A: We provide ASME, ISO 9001, and EN 10204-3.1 certifications.
With 20 years of expertise, Yuhong is a top-5 exporter of finned tubes in China, serving 80+ countries. Our facilities include:
- 55 production lines and 20,000㎡ factory area
- 110+ skilled technicians dedicated to quality control
- Advanced Equipment: CNC high-frequency welders, 3D laser cutting machines
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