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| Brand Name: | YUHONG |
| Model Number: | ASME SA213 T9 9Cr-1Mo |
| MOQ: | 500KGS |
| Price: | Negotiable |
| Delivery Time: | Depends on order quantity |
| Payment Terms: | T/T, L/C AT SIGHT |
ASME SA213 T9 9Cr-1Mo Alloy Steel Fin Tube Studded Type for Fired Heater
Yuhong Holding Group Co., Ltd is a globally renowned manufacturer and supplier of industrial equipment, specializing in heat exchangers, fired heaters, air coolers, and related components. With an annual production capacity exceeding 6000 tons, we are dedicated to providing high-quality solutions for various industrial applications. Among our flagship products is the ASME SA213 T9 9Cr-1Mo Alloy Steel Studded Fin Tube, designed specifically for the convection section of fired heaters.
1. ASME SA213 T9 9Cr-1Mo Chemical Composition and Mechanical Properties
T9 9Cr-1Mo alloy steel is a high-temperature, creep-resistant material commonly used in fired heaters and other critical applications. Its chemical composition and mechanical properties make it ideal for handling extreme heat and pressure conditions while ensuring long-term reliability.
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.08–0.18 |
| Chromium (Cr) | 8.0–10.0 |
| Molybdenum (Mo) | 0.90–1.10 |
| Manganese (Mn) | 0.30–0.60 |
| Silicon (Si) | 0.50 max |
| Phosphorus (P) | 0.025 max |
| Sulfur (S) | 0.025 max |
| Property | Value |
|---|---|
| Tensile Strength | ≥ 415 MPa (60,000 psi) |
| Yield Strength | ≥ 205 MPa (30,000 psi) |
| Elongation | ≥ 30% |
| Maximum Operating Temperature | Up to 650°C (1202°F) |
2. Function of Studded Fin Tubes in the Convection Section of Fired Heaters
In the convection section of fired heaters, studded fin tubes are essential for enhancing heat transfer efficiency. The studs (or "fins") welded onto the tube surface increase the heat exchange area, allowing maximum heat recovery from flue gases to the fluid inside the tubes.
Key Features of Studded Fin Tubes in Fired Heaters:
3. Common Parameters of Studded Fin Tubes
Studded fin tubes are precisely manufactured to meet the stringent requirements of fired heaters. Below are the typical specifications for ASME SA213 T9 9Cr-1Mo Studded Fin Tubes:
| Parameter | Specification |
|---|---|
| Base Tube Material | ASME SA213 T9 9Cr-1Mo Alloy Steel |
| Stud Material | Carbon Steel, Alloy Steel, Stainless Steel |
| Stud Height | 6–10 mm |
| Stud Diameter | 6–12 mm |
| Stud Pitch | 10–30 mm (customizable) |
| Manufacturing Type | Resistance Stud Welding |
| Operating Temperature | Up to 650°C (1202°F) |
4. Applications of Studded Fin Tubes
Studded fin tubes are versatile components used in various high-temperature applications, including:
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