C10100 Cu-OFE Copper Bar

High purity oxygen free OFC copper rod

Purity:Cu: 99.995%

Oxgen content:O≤3ppm

Shape:copper bar, copper rod 1MM~200MM (customized according to customer requirements)

Application: wire drawing, special cable, Transistor Component Bases, High Resistance-Ratio Cryogenic Shunts, Bus Conductors, Wave Guides, Hollow Conductors, Anodes for Vacuum Tubes, Coaxial Cable, Coaxial Tube, Klystrons, Microwave Tubes, Bus Bars, Lead-in Wire, Vacuum Seals, Conductors, Glass-to-Metal Seals

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Product Description

Copper Rods (Purple Copper) - Detailed Technical Specifications
Common Copper Rod Grades, Standards, and Applications
UNS No.	Designation	Standard	Key Characteristics	Typical Applications
C11000	ETP (Electrolytic Tough-Pitch)	ASTM B5, B124, B187	High conductivity (≥100% IACS annealed); Cu+Ag ≥ 99.90%; contains oxygen (≤0.04%); excellent electrical and thermal conductivity	Electrical bus bars, connectors, transformer components, general electrical applications
C10100	OFE (Oxygen-Free Electronic)	ASTM B187	Cu ≥ 99.99%; exceptionally high conductivity; no oxygen; suitable for critical electronic applications	High-end electronics, vacuum components, semiconductor manufacturing
C10200	OF (Oxygen-Free)	ASTM B187	Cu ≥ 99.95%; good conductivity; reduced embrittlement risk	Electrical applications requiring high purity
C12200	DHP (Phosphorus-Deoxidized)	ASTM B124	Cu ≥ 99.85%; P 0.013-0.040%; good weldability and corrosion resistance; conductivity ~79% IACS	Plumbing, heating systems, welded components, automotive brake lines
C10300	Oxygen-Free Copper	ASTM B187	Cu ≥ 99.95%; excellent mechanical properties; available in H04 temper with 310MPa tensile strength	Forging applications, high-strength electrical components
T1 / TU1	Chinese Standard	GB/T 3952	High purity; Cu ≥ 99.97%; oxygen content ≤ 0.040%	Electrical copper rods for wire drawing
T2	Chinese Standard	GB/T 5231	Cu+Ag ≥ 99.90%; similar to C11000; contains minor impurities (Bi≤0.001%, Sb≤0.002%, As≤0.002%, Fe≤0.005%)	General-purpose copper bars and rods
Dimensional Specifications for Copper Rods
Shape	Diameter / Size Range (mm)	Length Range (mm)	Standard	Temper
Round Rod (Cold Drawn)	5 – 80	Up to 6000	EN 12165/13601	M (extruded), D (drawn)
Round Rod (Hot Extruded)	80 – 140	Up to 6000	EN 12165/13601	M (hot extruded)
Round Rod (General)	6 – 200	Up to 6000	ASTM B187	Soft, 1/4 Hard, 1/2 Hard, Hard
Square Rod (Cold Drawn)	5 – 60 (across flats)	Up to 6000	EN 12165/13601	D (drawn)
Square Rod (Hot Extruded)	60 – 100 (across flats)	Up to 6000	EN 12165/13601	M (hot extruded)
Rectangular Bar (Cold Drawn)	Width: 5 – 125; Thickness: 2.5 – 30	Up to 6000	EN 12165/13601	D (drawn)
Rectangular Bar (Hot Extruded)	Width: 60 – 130; Thickness: 30 – 70	Up to 6000	EN 12165/13601	M (hot extruded)
Round Rod (Chinese Standard)	6.0 – 35.0 (hot rolled) / 6.0 – 12.0 (hard)	Variable	GB/T 3952	R (hot rolled), Y (hard)
Electrical Properties of Copper Rods
Grade	Temper	Electrical Conductivity (% IACS)	Volume Resistivity (Ω·mm²/m) max	Mass Resistivity (Ω·g/m²)
C11000	Annealed	≥ 100	0.01707 (T1)	0.15176 (T1)
C11000	Hard / 1/4H / 1/2H / 3/4H	≥ 97	/	/
T2 / TU2	Various	/	0.01724	0.15328
C12200	All	~79	/	/
TU2 (Oxygen-Free)	Various	/	0.01777	0.15798