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YUHONG HOLDING GROUP CO., LTD

  • China,Ningbo
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China ASTM B163 Incoloy 825 Extruded Fin Tube With Aluminum Fin For Air Cooled
China ASTM B163 Incoloy 825 Extruded Fin Tube With Aluminum Fin For Air Cooled

  1. China ASTM B163 Incoloy 825 Extruded Fin Tube With Aluminum Fin For Air Cooled
  2. China ASTM B163 Incoloy 825 Extruded Fin Tube With Aluminum Fin For Air Cooled
  3. China ASTM B163 Incoloy 825 Extruded Fin Tube With Aluminum Fin For Air Cooled
  4. China ASTM B163 Incoloy 825 Extruded Fin Tube With Aluminum Fin For Air Cooled

ASTM B163 Incoloy 825 Extruded Fin Tube With Aluminum Fin For Air Cooled

  1. MOQ: 200-500KGS
  2. Price: Negotiable
  3. Get Latest Price
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 Specification& Material ASTM B163 Incoloy 825
Bare Tube Diameter 8mm-51mm
Fin type Extruded Fin Tube
Application Air-cooled Exchangers, Refinery air cooler, Oil coolers, Hydraulic Coolers, and Air Coolers
Brand Name YUHONG
Certification ABS, BV, ISO, ASTM, SGS
Place of Origin China

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  1. Product Details
  2. Company Details

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 Specification& Material ASTM B163 Incoloy 825 Bare Tube Diameter 8mm-51mm
Fin type Extruded Fin Tube Application Air-cooled Exchangers, Refinery air cooler, Oil coolers, Hydraulic Coolers, and Air Coolers
Brand Name YUHONG Certification ABS, BV, ISO, ASTM, SGS
Place of Origin China
High Light Aluminum Fin Incoloy Fin TubeAir-cooled Exchangers Fin TubeIncoloy 825 Fin Tube

1. What is ASTM B163 Incoloy 825 Extruded Fin Tube with Aluminum Fin?

The ASTM B163 Incoloy 825 Extruded Fin Tube with Aluminum Fin is a premium bimetallic heat transfer solution engineered for extreme environments. It combines a seamless nickel-iron-chromium alloy base tube (ASTM B163 Incoloy 825) with integrally extruded aluminum fins through a high-pressure thermal process. This monolithic structure eliminates interfacial resistance, achieving 98% metallurgical bonding for unmatched thermal efficiency (45% higher than welded fins) and corrosion resistance in acidic, chloridic, and high-temperature applications up to 260°C (500°F).

2. Chemical & Mechanical Properties

Chemical Composition (Incoloy 825 Base Tube per ASTM B163)

Element

Content (%)

Key Function

Nickel (Ni)

38–46

Acid resistance

Chromium (Cr)

19.5–23.5

Oxidation resistance

Iron (Fe)

≥ 22

Matrix stability

Molybdenum (Mo)

2.5–3.5

Pitting resistance

Copper (Cu)

1.5–3.0

Sulfuric acid resistance

Titanium (Ti)

0.6–1.2

Stabilization

Carbon (C)

≤ 0.05

Weldability

Mechanical Properties (System Performance)

Property

Incoloy 825 Base

Aluminum Fin

Tensile Strength

≥ 586 MPa

186 MPa

Yield Strength

≥ 241 MPa

145 MPa

Max Service Temp.

540°C

260°C

Corrosion Resistance

★★★★★ (H₂SO₄, HCl, phosphoric acid)

★★★☆ (Anodized)

Thermal Expansion

14.0 μm/m·°C

23.6 μm/m·°C

3. Key Applications & Competitive Advantages

· Chemical Processing: Heaters in sulfuric acid regeneration units, HCl coolers.

· Marine & Offshore: Seawater-cooled condensers on ships/rigs (resists pitting/crevice corrosion).

· Waste-to-Energy: Boiler tubes in waste incinerators (handles HCl/SO₂ flue gases).

· Oil Refining: Crude oil preheaters in CDU/VDU units.

· LNG Processing: Cryogenic heat exchangers (-196°C to 200°C thermal cycling).


4. Why Engineers Prefer Our Extruded Tubes:
· Zero Thermal Barrier: 30% higher heat flux vs. welded fins (per HTRI Journal).
· Fail-Safe Design: Eliminates fin detachment risk in vibration/vacuum service.
· Lifecycle Cost Saving: 2x longer service life than carbon steel tubes in HCl vapor.
· Customization: Fin height (12–25 mm), thickness (0.8–2.0 mm), and helix angle optimization.


Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • 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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  • YUHONG HOLDING GROUP CO., LTD
  • 20 Floor, No.1 New World Building, NO.1018 Min'an Road, Yinzhou District, Ningbo, China, ZIP:315040
  • https://www.steelfintube.com/

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