Copper Round Bar 145, also called Tellurium Copper, has excellent thermal and electrical conductivity, good corrosion resistance, goor malleability, and excellent machinability. 145 is mechanically similar to pure copper, but significantly easier to machine. It is typically used in high-speed automatic screw machines, circuit breaker terminals, hot forged studs, transformers, and other elextrical components.

MTR MTR Available
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Product Information

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Please note:

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Please note that this data is to be used ONLY FOR REFERENCE, NOT FOR DESIGN, and by using it,you agree that any decisions you make regarding materials for your project are at your own discretion.
Diameter
3
Max Length
144
Alloy
145
Temper
H02
Metal Type
Copper
Shape
Bar-Round
Yes
RoHS
Yes
REACH
Yes
Custom Cut Warehouse
1
Weight/Lineal Foot
27.39 pounds
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Mechanical Properties

Shear Strength KSI
26
Density g/cm^3
9
Elongation % in 2 in.
18
Brinell Hardness 500 kg load
77
Electrical Conductivity % IACS
94
Yield Tensile Strength KSI
40
Ultimate Tensile Strength KSI
43
Melting Point °F
1924 - 1967
Machinability %
85
Rockwell Hardness B Scale
43
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Chemistry Information : 145 Copper

Element
Percentage
Element
Percentage
Element
Percentage
Cu
99.5
P
0.008
Te
0.5

The 3" Copper Round Bar 145-H02, also known as Tellurium Copper, is ideal for high-speed automatic screw machines, circuit breaker terminals, hot forged studs, transformers, and other electrical components due to its excellent thermal and electrical conductivity and good corrosion resistance.

Yes, custom cut lengths are available from the warehouse, with standard length options ranging from 12 inches up to 96 inches to suit your project needs.

The 145-H02 copper round bar has excellent machinability, rated at 85, making it significantly easier to machine than pure copper while maintaining similar mechanical properties.

Yes, this product complies with RoHS and REACH standards, ensuring it meets important environmental and safety regulations.

Material Test Reports (MTR) are available for this product, providing detailed certification of its material properties.

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