Sep 28, 2025 Leave a message

C75700 Nickel Silver heat exchangers copper pipe

Key Features of C75700 Copper Heat Exchanger Tube

Excellent Cold Workability: Suitable for precision stamping.

High Corrosion Resistance: Ideal for marine and chemical environments.

Aesthetic Silver Appearance: High nickel content (11-13%).

Balanced Electrical Properties: Used in resistors and thermocouples.

 

Common Forms & Dimensions of C75700 heat transfer equipment Copper Tube

Form

Dimensions

Notes

Rods

Diameter: 5-200mm, Length: 1000-6000mm

Custom cutting available

Plates

Thickness: 0.5-50mm, Width: 200-2000mm

Polished or coated surfaces

Strips/Coils

Thickness: 0.1-3.0mm, Width: 10-600mm

For continuous stamping

Tubes

OD: 10-150mm, Wall Thickness: 0.5-10mm

Heat exchangers & fluid systems

Profiles

Custom shapes (hexagon, square, etc.)

For structural components

 

Chemical Composition of C75700 Copper coolers Tube

Element

Content (%)

Standard Range

Cu + Ag

63.5-66.5

ASTM B151M/B206M

Ni + Co

11.0-13.0

 

Zn

Balance

 

Pb

≤0.05

 

Fe

≤0.25

 

Mn

≤0.50

 

 

Physical Properties of C75700 electro-heat up copper pipe

Property

Value

Test Standard

Density

8.8-8.9 g/cm³

Measured Data

Melting Point

1080-1100°C

Theoretical Calculation

Thermal Conductivity

40-50 W/(m·K)

ASTM E1461

Electrical Conductivity

10-15% IACS

ASTM B193

Thermal Expansion

16.5×10⁻⁶/°C (20-300°C)

General Data for Nickel Silver

Resistivity

0.25-0.30 μΩ·m

ASTM B193

 

Mechanical Properties of C75700 Copper condensers Tube

Condition

Tensile Strength (MPa)

Yield Strength (MPa)

Elongation (%)

Hardness (HB)

Annealed (O)

380-450

150-200

25-35

80-100

1/4 Hard (H01)

515-655

400-500

15-20

120-150

Hard (H04)

620-760

550-650

5-10

180-210

 

Applications of C75700 Copper Cooling System Heat Pipe

Electronics: Sliding contacts, connectors.

Precision Instruments: Camera parts, optical devices.

Decorative Use: Nameplates, eyewear frames.

Industrial Equipment: Marine components, heat exchangers.

Copper Nickel Tube
CuNi Tube
pressed and drawn seamless pipe
Copper nickel round tube

Types of products GNEE can provide

copper pipe

Product name

Copper/brass/bronze pipe

Material

Copper,Pure Copper,Red Copper,Brass,Phosphor Bronze,Nickel-Copper

Grade

Copper:C11000 C10200 C1100 C1220 T2 CU-OF CU-SF
Brass:C28000 C27400 C27000 C26000 C24000 CuZn40 CuZn35 CuZn30
Phosphor Bronze:C52100 C51900
Nickel Copper:C70600 CuNi10 CuNi30

Size

Outside diameter 2-800mm;
wall thickness 1-220mm;
Length 1- 6m;
All sizes can be according to customer's requirements.

Hardness

1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard

Surface

Polished,bright,oiled,hair line,brush,mirror,or as required

Apllication

Construction, industrial, decoration

Service

Custom service

Price terms

CFR,FOB,CIF,Ex-work,CNF

Classification of copper materials

copper wire, copper rod, copper strip, copper plate, copper tube, copper, bronze, phosphor bronze, materials include: H96 (C2100),
H90 (C2200), H80 (C2400), H70 (C2600), H68 (C2680), H65 (2700), H63 (C2720), H62 (C2800), HP59-1 brass rod, H62 brass plate, C1100
copper plate, T3 copper plate, copper rod, copper plate and copper strip, T2 copper plate, phosphor bronze C5102, C5210, C5191,
C1220, C1040, C111, brass strip C2680, C2200, C2720, C2600, C2620, pure copper C1020, C1100, brass strip, C1201, C1220, copper
foil, brass foil, GB states include O, 1/2H, 1/4H, 3/4H, H, EH, SH, specializing in the production of brass tubes (H62, H65, H68,
H70, H85), copper tubes, copper strips, copper rods, and copper plates with diameters ranging from 2 to 219. (T2, TP2, TU2),
aluminum tube (1060, 6063), tin brass tube (HSN70-1A), aluminum brass tube (HAL77-2), nickel white copper tube (B10, BFE10-1-1),
tin bronze tube (QSN6.5-0.1, QSN4-0.3), electric furnace coil, air conditioning coil, plastic coated copper tube, copper rod,
copper tube, brass tube, copper busbar, various copper water pipes and accessories, undertake various copper doors, copper
handrails and other copper decoration projects.

Get product catalog

 

 

copper rod

 

Products name

Copper/Brass/Bronze alloy Bar

Material

C10100,C10200,C10300,C10400,C10500,C10700,C10800,C10910,C10920,C10930,
C11000,C11300,C11400,C11500,C11600,C12000,C12200,C12300,C12500,C14200,
C14420,C14500,C14510,C14520,C14530,C17200,C19200,C21000,C23000,C26000,
C27000,C27400,C28000,C33000,C33200,C37000,C44300,C44400,C44500,C60800,
C63000,C65500,C68700,C70400,C70600,C70620,C71000,C71500,C71520,C71640, C72200,C86300,C83600,C95400,C95500,C95800,
H59,62,H65,H68,H70,H80,H85,H90,H96,

T1,T2,T3,TU1,TU0,TU2,TP1,TP2,TAg0.1,etc

 

Size

Thickness

2mm-200mm or customized

Width

10mm-600mm or customized

Length

200mm-6000mm or customized

Surface

Mill,polished,bright,oiled,hair line,brush,mirror,sand blast,or as required.

Application

With high conductivity,copper flat bar can be widely used in:
Blade terminal or cable inside the electricity cabinet,gasket for heavy machinery,
bearing bush with low revolving speed.,etc.

standard

GB/T4423-2007,

JISH3250-2006,

JISH3300-2006,
ASTM B152M,B152,B187,B133,B301,B196,B441,B465 etc.

Package

Standard export package
(bundled by strip,wrapped with plastic bag,wooden case or as customers' requirement.)

Get product catalog

 

 

copper plate/sheet/coil

 

Description
copper plate/copper sheet
Other
Standards
ASTM A276, A484, A479, A580, A582, JIS G4303, JIS G4311,
DIN 1654-5,DIN 17440,GB/T 1220
Material
Copper (C10200,C11000,C10100,C10200,C12000,)C11600,

Brass(C21000,C22000,C23000,C24000,C26000,C27000,C27200,C27400,C2800,
C31400,C33000,C35600,C37100,C36000,C35300,C37100,C37700,C37710,C37000,
C68700,C41100,C44300,C46200.C46400,C26130,C65600,)

Bronze(C50500,C51100,C52100,C60800,C61000,C61900,C63010,C62300,
C63000,C63280,C63020,C17200,C17000,C17500,C17510,C18200,C18100,C18200,
C16200,C19400,C14500)

Cupronickel(C70400,C71000,C71300,C71500,C70400,C70600,C75200,C77000,
C75400,C79000,C79200)
Specifications
thickness:0.1~20mm,width:1~2500mm
 
Price Term
EX-Work, FOB, CFR, CIF
Payment Term
T/T, L/C, Western Union
Delivery Time
According to customer' s quantity
Main Market
Europe,South America, Africa ,Oceania ,such as :
USA,Germany,India,.,Dubai,Iraq,Vietnam,Ireland,Singapore,etc

Get product catalog

 

 

copper wire

 

Product name

Copper Wire

Grade

C10100,C10200,C10300,C10400,C10500,C10700,C10800,C10910,C10920,C10930,C11000,C11300,C11400,C11500,C11600,C12000,C12200,C12300,C12500,C14200,C14420,C14500,C14510,C14520,C14530,C17200,C19200,C21000,C23000,C26000,C27000,C27400,C28000,C33000,C33200,C37000,C44300,C44400,C44500,C60800,C63020,C65500,C68700,C70400,C70620,C71000,C71500,C71520,C71640,C72200,T1,T2,T3,etc

Standard

JIS ASTM DIN EN ISO

Diameter

0.3-5mm/custom

Length

custom

Surface

mill,polished,bright,mirror,hair line,brush,checkered,antique,sand blast,etc

Application

Building, industry etc

Payment Terms

T/T or L/C at sight

Delivery time

5-15 days after receiving L/C or deposit

Remark

Specific requirement of alloy grade,temper or specification can be discussed at your request

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Copper CNC machined parts

 

Service Offer

Cnc Machining/Turning/Milling, Sheet Metal Fabrication, Laser Cutting, Stamping, Bending, Spinning, Wire Cutting, Die Casting, Forging, Gear machining, etc.

Materials

Aluminum, Stainless Steel, Steel, Brass / Bronze / Copper, Titanium Alloy, Plastic, etc.

Application Areas

Auto parts, Automated Robots, Drones, Medical Equipment, Mechanical Hardware, Aerospace Military Industry, Electronic Equipment, Lighting Fixtures, 3C Digital Products, Household Appliances

Tolerance

+/-0.01 mm, Strict tolerance can reach +/-0.005 mm

Processing Capabilities

10000pcs/day

Drawing Format

STP, Solid Works, Pro/Engineer, Auto CAD(DXF,DWG), PDF, TIF etc.

Surface treatment

Anodizing, Hard anodizing, Gradual anodizing, Electro-plating, Electroless nickel, PVD, Painting, Powder coating, Teflon coating, Ceramic plating, Sandblasting, Brush, Mirror polish, etc.

Testing equipment

Three-coordinate measuring machine, 2.5 Dimension measuring instrument, inside micrometer, outside micrometer, electronic height gauge,Thread go and no-go gauges, external thread ring gauges, electronic calipers, pin gauges

Project delivery

1-10 days

Product Packaging

Inner packaging: foam, plastic, paper;

Outer packing: hard thick carton, customized wooden box

Payment Methods

T/T, L/C, Trade Assurance

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18+Years of experience
in exporting copper products

With 18 years of experience, we are a leading exporter of high-quality copper products. Our efficient production lines, featuring continuous casting rods, precision drawing, and automated annealing processes, ensure consistent quality. Combined with rigorous in-house testing, including spectral analysis and pressure tests, we guarantee that every copper tube, coil, and rod meets the highest international standards for global clients.

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4242
 
35000+
Square Meters Built
200+
Enterprise Employees
8000+
Cooperating Partner
18+
Years Experience

 

 

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