Gilled Integral Low Fin Tubes Copper Nickel Alloy C71640 Cu70Ni30

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:	Low 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
Supply Ability:	10000 Tons/Month

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Detailed Product Description

Bast Tube Material Grade:	UNS C71640 , Cu70Ni30	Bast Tube Material Standard:	ASTM B111 , ASME SB111
Type:	Straight Tube	Application:	Heat Exchangers, Condensers, Coolers, Etc.
Fin Type:	Low Fin	Fin Material:	Copper
Highlight:	Gilled Integral Low Fin Tubes , Cu70Ni30 Integral Low Fin Tubes , C71640 gilled tube

Gilled Integral Low Fin Tubes Copper Nickel Alloy C71640 Cu70Ni30

Product Specifications

Base Tube Material Grade	UNS C71640, Cu70Ni30
Base Tube Material Standard	ASTM B111, ASME SB111
Type	Straight Tube
Application	Heat Exchangers, Condensers, Coolers, etc.
Fin Type	Low Fin
Fin Material	Copper

Product Description

ASTM B111 C71640 (Cu70Ni30) Copper Nickel Alloy Low Fin Tubes combine enhanced heat transfer efficiency with superior corrosion resistance. Designed for harsh marine and industrial environments, these tubes provide reliable performance and longevity in demanding applications.

The low fin design improves thermal performance by creating turbulence in fluid flow, enhancing convective heat transfer coefficients and overall thermal efficiency. The C71640/Cu70Ni30 alloy offers exceptional resistance to seawater corrosion, making these tubes ideal for marine and coastal applications.

Chemical Composition

Element	Content (%)
Copper, Cu	62.15-67.8
Iron, Fe	1.70-2.30
Lead, Pb	0.050
Manganese, Mn	1.50-2.50
Nickel, Ni	29.0-32.0
Zinc, Zn	29.0-32.0

Mechanical Properties

Properties	Metric	Imperial
Tensile strength (annealed)	434 MPa	63000 psi
Tensile strength (hard drawn)	538 MPa	81000 psi
Yield strength (annealed)	172 MPa	25000 psi
Yield strength (hard drawn)	400 MPa	58000 psi
Elongation at break (hard drawn)	4.00%	4.00%
Elongation at break (annealed)	40.00%	40.00%

Applications

Marine Industry
Desalination Plants
Power Generation
Chemical Processing
HVAC and Refrigeration

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Tel: +8613819835483

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