ASME SB163 NO8825 Nickel Alloy Extruded Fin Tube Heat Exchanger For Heat Exchanger

Product Details:

Place of Origin:	China , Korea
Brand Name:	YUHONG
Certification:	ABS, DNV-GL, LR, BV, CCS, KR, ASME, TUV, SGS, BV, IEI, IBR, ISO9001, ISO 14001, ISO 18001
Model Number:	Extruded Fin tube , Aluminum Extuded Fin tube

Payment & Shipping Terms:

Minimum Order Quantity:	1 PC
Price:	1 - 10000 USD
Packaging Details:	Ply-Wooden Case + Iron Frame
Delivery Time:	5 - 90 Days
Payment Terms:	L/C,T/T
Supply Ability:	10000 Tons/Month

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Detailed Product Description

Base Tube Material Grade:	NO8825, Incoloy825	Base Tube Material Standard:	ASTM B163, ASME SB163
Type:	Straight Tube , U Bend Tube , Coil Tube	Application:	Air Cooler, Cooling Tower, Heat Exchanger, Condenser
Fin Type:	Extruded Fin Tube , Aluminum Extruded Fin Tube , Fin Tube	Fin Material:	Aluminum , Copper , Stainless Steel , Carbon Steel
Highlight:	Nickel Alloy Extruded Fin Tube , Incoloy 825 Extruded Fin Tube , NO8825 finned aluminum tubing

ASME SB163 NO8825 Nickel Alloy Extruded Fin Tube Heat Exchanger For Heat Exchanger

Product Overview

The NO8825 Nickel Alloy Extruded Fin Tube is a nickel-iron-chromium alloy enhanced with molybdenum and copper. This specialized composition provides exceptional resistance to corrosive environments, outperforming Alloy 800 in water corrosion resistance.

Key Advantages

Superior resistance to reducing and oxidizing acids
Excellent protection against stress corrosion cracking
Effective resistance to pitting and crevice corrosion
Particularly resistant to sulfuric and phosphoric acids

Manufacturing Process

The aluminum fin strip is tension wound and precisely placed into a groove cut into the tube with approximately 0.4mm fluted depth, ensuring optimal heat transfer efficiency.

Applications

Heat exchangers for power plants (electric, nuclear, thermal, geothermal)
High corrosive systems (condensers, evaporators, desalination plants)
Chemical processing equipment (fertilizer, urea, ammonia systems)
Petroleum, chemical, and petrochemical industries
Food processing and refrigeration systems
Natural gas treatment facilities

NO8825 Chemical Composition

Element	Ni	Cr	Mo	Cu	Ti	Fe	C	Mn	S	Si	Al
%	38.0-46.0	19.5-23.5	2.5-3.5	1.5-3.0	0.6-1.2	22.0 min (~33%)	0.05 max	1.0 max	0.03 max	0.5 max	0.2 max

Physical Properties

Property	Value
Density / Specific Gravity	8.1 kg/m³ (0.30 lb/in³)
Melting point	1370-1400℃

Mechanical Properties

Alloy state	Tensile strength (Rm N/mm²)	Yield strength (R P0.2N/mm²)	Elongation (A 5 %)	Brinell hardness (HRB Max)
N08825 Hot Finished	517	172	30	200
N08825 Cold Finished	586	241	30	200

Technical Specifications

Base Tube Details

Pipe Diameter: 20mm (Min. OD) to 219mm (Max. OD)
Tube Thickness: 2mm (Min.) to 16mm (Max.)
Materials: Stainless steel, alloy steel, carbon steel, Corten steel, duplex steel, super duplex steel, Inconel, high chromium high nickel alloys including Incolloy and CK 20 material

Fin Details

Fin Thickness: 0.8mm (Min.) to 4mm (Max.)
Fin Height: 6.35mm (0.25") minimum to 38mm (1.5") maximum
Fin Density: 43 fins per meter (Min.) to 287 fins per meter (Max.)
Materials: Carbon Steel, Stainless Steel, Alloy Steel, Weathering Steel, Duplex Steel and Incolloy

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Tel: +8613819835483

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