ASTM A213 TP316L Welding Longitudinal Finned Tube for Heat Exchanger and Boiler
Product Specifications
Attribute | Value |
Product Name | Stainless Steel Longitudinal Welding Finned Tube |
Base Tube Specification | ASTM A213 |
Base Tube Material | TP316L |
Fin Material | SS316L |
Base Tube OD & Wall Thickness | Custom-sized |
Fin Size | Custom-sized |
Fin Shape | U Shape |
Application | Heater Parts, HVAC Systems, Heat Exchanger, Power Generation |
Product Description
Longitudinal Welding Finned Tubes are specialized heat transfer components designed to maximize efficiency by increasing surface area. These tubes feature fins welded longitudinally onto the outer surface of a base tube, creating enhanced thermal exchange capabilities ideal for critical heat transfer applications.
Key Features
Construction
- Base Tube: ASTM A213 TP316L stainless steel or other alloys
- Fins: Metal strips welded longitudinally using high-frequency techniques
- Strong bond between fins and base tube ensures durability
Design
- Fins aligned parallel to tube axis
- Customizable fin height, thickness, and spacing
Advantages
- Increased surface area for superior heat transfer
- High mechanical strength and durability
- Excellent corrosion resistance with stainless steel construction
- Fully customizable to specific thermal requirements
Material Composition (ASTM A213 TP316)
Element | Composition (%) |
Carbon (C) | 0.08% max |
Manganese (Mn) | 2.00% max |
Phosphorus (P) | 0.045% max |
Sulfur (S) | 0.030% max |
Silicon (Si) | 1.00% max |
Chromium (Cr) | 16.0% - 18.0% |
Nickel (Ni) | 10.0% - 14.0% |
Molybdenum (Mo) | 2.00% - 3.00% |
Nitrogen (N) | 0.10% max |
Mechanical Properties
Property | Value |
Tensile Strength | 515 MPa (75,000 psi) min |
Yield Strength | 205 MPa (30,000 psi) min |
Elongation (in 2 inches) | 40% min |
Hardness (Typical) | 80 HRB max |
Performance Characteristics
- Superior resistance to pitting, crevice corrosion, and stress corrosion cracking
- Maintains mechanical properties at elevated temperatures
- Excellent weldability with proper post-weld treatment
- Ideal for chloride-containing environments
Industrial Applications
- Shell-and-tube heat exchangers for petrochemical and power industries
- Boilers and superheaters in power plants
- Chemical processing equipment handling corrosive media
- Refinery distillation and processing units
- Food processing and pharmaceutical manufacturing
- Marine and offshore heat exchange systems
- HVAC and waste heat recovery applications
