YUHONG HOLDING GROUP CO., LTD
| Payment Terms | L/C,T/T,AT SIGHT |
| Supply Ability | According to Clients' requirements |
| Delivery Time | 45-75 Days (Depend on Customer's Requirement |
| Packaging Details | Ply-wooden Cases with Steel Frames(both ends of pipes have plastic caps） |
| Bare Tube Standard | ASTM A312 |
| Bare Tube Material | TP304 |
| Fin Material | 11-13 Cr |
| Bare Length of Both Length | 100mm |
| Fin Type | HWF, High Frequency Finned Tube, Solid Finned Tube |
| Fin Height | 25.4mm |
| Fin Qty | 197 Fins/ Meter |
| Application | Power Plant, Air preheaters, Boiler, Refrigeration and Air Conditioning systems,Heat exchangers, Furnace walls |
| Brand Name | YUHONG |
| Certification | ABS, BV, ISO, ASTM, SGS |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T,AT SIGHT | Supply Ability | According to Clients' requirements |
| Delivery Time | 45-75 Days (Depend on Customer's Requirement | Packaging Details | Ply-wooden Cases with Steel Frames(both ends of pipes have plastic caps） |
| Bare Tube Standard | ASTM A312 | Bare Tube Material | TP304 |
| Fin Material | 11-13 Cr | Bare Length of Both Length | 100mm |
| Fin Type | HWF, High Frequency Finned Tube, Solid Finned Tube | Fin Height | 25.4mm |
| Fin Qty | 197 Fins/ Meter | Application | Power Plant, Air preheaters, Boiler, Refrigeration and Air Conditioning systems,Heat exchangers, Furnace walls |
| Brand Name | YUHONG | Certification | ABS, BV, ISO, ASTM, SGS |
| Place of Origin | China | ||
| High Light | ASME SA312 TP304 solid fin tube ，HWF solid fin tube for power plant ，1.4301 stainless steel fin tube | ||
1.ASME SA312 TP304 HWF Solid Fin Tube with 11-13 Cr Fin
ASME SA312 TP304 is a versatile austenitic stainless steel grade known for its excellent corrosion resistance, formability, and weldability. With a balanced composition of 18% chromium and 8% nickel, it provides reliable performance across a wide range of corrosive environments and temperatures.
The ASME SA312 TP304 HWF (High-Frequency Welded) Solid Fin Tube with 11-13 Cr Fin is an advanced bimetallic heat transfer solution that combines a TP304 stainless steel base tube with solid fins made of 11-13% chromium steel. This engineered combination provides an optimal balance between corrosion resistance and high-temperature capability while maintaining cost-effectiveness.
2.Chemical Composition
Base Tube - TP304 (%)
| Element | C | Si | Cr | Mn | P | Ni | S |
| Range | ≤ 0.080 | ≤ 0.75 | 18.00-20.00 | ≤ 2.00 | ≤ 0.045 | 8.00-11.00 | ≤ 0.030 |
Fin Material - 11-13 Cr Steel (%)
| Element | C | Cr | Si | Mn | P | S |
| Range | 0.08-0.18 | 11.00-13.00 | 0.50-1.00 | 0.30-0.60 | ≤ 0.030 | ≤ 0.025 |
3.Mechanical Properties (Base Tube - TP304)
| Tensile Strength | Yield Strength | Elongation | Hardness |
| ≥ 515 MPa (75 ksi) | ≥ 205 MPa (30 ksi) | ≥ 35% | ≤ 201 HB |
4.Equivalent Material of TP304
| ASTM/AISI | UNS NO | EN | ISO | JIS | GB/T |
| TP304 | S30400 | 1.4301 | X5CrNi18-10 | SUS 304 | 06Cr19Ni10 |
5.Key Features & Advantages
1.Optimized Material Performance: TP304 base tube provides excellent corrosion resistance for process media, while 11-13% Cr fins offer superior oxidation resistance in high-temperature flue gas environments
2.Enhanced High-Temperature Capability: 11-13% chromium fins maintain strength and resist scaling at temperatures up to 650°C (1200°F)
3.Cost-Effective Solution: More economical than all-stainless construction while providing better high-temperature performance than carbon steel fins
4.Robust Welded Joint: High-frequency welding creates a strong metallurgical bond between dissimilar materials with minimal thermal affected zone
5.Thermal Expansion Compatibility: Better thermal expansion match between TP304 and 11-13% Cr steel compared to carbon steel fins, reducing thermal stress
6.Comparison with Other Materials
Fin Material:
11-13 Cr Fin vs. Carbon Steel Fin:
11-13 Cr fins provide significantly better oxidation resistance and higher temperature capability, making them suitable for more severe service conditions in boiler and heater applications.
11-13 Cr Fin vs. Stainless Steel Fin:
While offering slightly lower corrosion resistance than full stainless fins, 11-13 Cr fins provide adequate high-temperature performance at a lower cost, with better thermal compatibility.
Bare Tube Material :
Comparison with TP304 VS.TP316
TP304 offers cost-effectiveness and good general corrosion resistance, but is prone to chloride-induced pitting at the fin-to-tube interface. TP316 provides superior resistance to chlorides and acidic condensates due to its molybdenum content, ensuring longer service life in aggressive environments, albeit at a higher initial cost.
7.Applications Of ASME SA312 TP304 HWF Solid Fin Tube with 11-13 Cr Fin
1.Boiler Systems: Economizer and air preheater tubes in power plant and industrial boilers
2.Process Heaters: Convection section tubes in refinery and petrochemical heaters
3.Waste Heat Recovery: Heat exchanger tubes in HRSG and process waste heat units
4.Chemical Processing: High-temperature heat exchangers with corrosive process media
5.Industrial Furnaces: Heat recovery tubes in various direct-fired process furnaces
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company,Seller,Other
Year Established:
1990
Total Annual:
50M-70M
Employee Number:
50~800
Ecer Certification：
Verified Supplier
Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n... Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n...
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