Womic Stainless Steel Co., Ltd
1 Product Types (Fin Types)
Extruded Finned Tubes
High Frequency Resistance Welded (HFW) Finned Tubes
L-Type Finned Tubes
LL-Type Finned Tubes
KL-Type Finned Tubes
G-Type (Embedded) Finned Tubes
Solid Fin Tubes (Integral Fins)
2 Tube Materials & Grades of Finned Tube Heat Exchanger Tubes:
Base Tube Materials:
Carbon Steel:ASTM A179, ASTM A192, ASTM A210, ASTM A106, ASTM A53
Alloy Steel:ASTM A213 T5 / T9 / T11 / T12 / T22 / T91
Stainless Steel:ASTM A213 TP304 / 304L / 316L / 321 / 347
Duplex & Super Duplex Stainless Steel:UNS S31803, S32205, S32750
Nickel Alloys (on request): Inconel 600 / 625 / 800 / 825, Hastelloy, Monel
Fin Materials:Carbon Steel, Aluminum, Stainless Steel, Copper,Alloy Steel
3 Applicable Standards of Finned Tube Heat Exchanger Tubes:
ASTM A179 / A192 / A210 / A213 / A106
ASME SA179 / SA192 / SA210 / SA213
EN 10216 / EN 10217
DIN 17175 / DIN 1629
BS 3059
GOST / JIS (on request)
TEMA & ASME Boiler & Pressure Vessel Code
4 Chemical Composition & Mechanical Properties of Finned Tube Heat Exchanger Tubes:
Chemical composition and mechanical properties strictly comply with the selected base tube standard (ASTM / EN / DIN).
Typical Mechanical Properties (Carbon Steel Base Tube):
Tensile Strength: 415–550 MPa
Yield Strength:≥205 MPa
Elongation:≥20%
5 Testing & Inspection Requirements of Finned Tube Heat Exchanger Tubes:
Chemical Composition Analysis
Mechanical Tests (Tensile, Flattening, Expansion)
Eddy Current / Ultrasonic Testing
Hydrostatic Test
Fin Bond Strength Test
Dimensional Inspection
PMI (for stainless & alloy steel)
Base Tube Size
Outer Diameter: 12.7 mm–168.3 mm (1/2"–6")
Wall Thickness: 1.2 mm–8.0 mm
Length: Up to 18,000 mm (custom length available)
Fin Dimensions
Fin Height: 5 mm–26 mm
Fin Thickness: 0.8 mm–2.5 mm
Fin Density: 5–20 Fins per Inch (FPI)
Finned Tube Heat Exchanger Tubes are widely used in:
Air-cooled heat exchangers (ACHE)
Power plant boilers & economizers
Petrochemical & refinery units
Heat recovery systems
Condensers & coolers
Waste heat boilers
HVAC & industrial heating systems
One-stop manufacturer of finned tubes & base tubes
Wide material coverage: carbon steel, alloy steel, stainless steel, nickel alloy
Advanced finning machines & strict process control
Full compliance with ASTM / ASME / EN / DIN
Third-party inspection accepted (SGS, BV, TUV)
Competitive factory-direct pricing & stable delivery
Raw Material Inspection & PMI
Base Tube Surface Preparation
Finning Process (Extruded / Welded / Embedded)
Heat Treatment (if required)
Fin Bond Strength Testing
NDT Inspection
Final Dimensional & Visual Inspection
Plastic caps on tube ends
Anti-rust oil coating
Seaworthy wooden cases or steel frames
Bundled packing with steel strips
Customized export packing available
Container shipment (20FT / 40FT / Open Top)
Break bulk shipment for oversized tubes
Incoterms: FOB / CFR / CIF / DDP
Shipment from major Chinese ports: Shanghai, Tianjin, Qingdao
Looking for a reliable finned tube heat exchanger tube manufacturer?
WOMIC Steel provides professional technical support, competitive pricing, and fast delivery.
Email: info@womicstainless.com
Website: www.womicstainless.com