C10100 OF Copper Round Bar
A 1-inch diameter round bar made from Oxygen-Free (OF) C10100 refined copper, used in electrical busbars and heat exchangers. It falls under HTS 7407.10.5050 as 'other' bars and rods of refined copper, excluding high-conductivity hollow rectangular bars. Refined copper ensures purity over 99.9% for superior conductivity.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If contains >0.3% other elements like phosphorus
Phosphor copper with P>0.3% classifies as copper-zinc base alloys (brasses) under 7407.22, not refined copper.
If hollow rectangular for high-conductivity use
Hollow rectangular bars/rods specifically for electricity conduction fall under 7407.10.10, separate from 'other' solid forms.
If machined into finished pump shafts or fittings
Fully finished articles like pump shafts classify as 'other articles of copper' in Chapter 74, not unfinished bars/rods.
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Import Tips & Compliance
• Provide mill test certificates verifying copper purity >99.9% to confirm refined status and avoid reclassification as alloy
• Declare exact dimensions and cross-section shape; 'other' excludes hollow rectangular high-conductivity bars
• Ensure EN or ASTM material specs match; common pitfall is mislabeling OFHC as standard ETP copper
Related Products under HTS 7407.10.50.50
C11000 Electrolytic Tough Pitch Copper Rod
3/8-inch hexagonal rod of C11000 ETP refined copper for transformer windings and RF connectors. Classified under HTS 7407.10.5050 as 'other' refined copper rods with purity 99.9% Cu. Not hollow rectangular, fits general bars/rods category.
C12200 Phosphorous Deoxidized Copper Profile
Custom L-shaped profile in C12200 DHP copper (0.015-0.040% P) for plumbing fittings and architectural trim. HTS 7407.10.5050 covers this as 'other' refined copper profiles since P content <0.3% per Chapter notes. Refined status maintained for weldability.
C10200 OFHC Copper Square Bar
1/2-inch square bar of Oxygen-Free High Conductivity C10200 copper for semiconductor lead frames. Falls in HTS 7407.10.5050 'other' refined copper bars, purity 99.95% Cu, no oxygen. Excludes hollow high-conductivity types.
C12000 Deoxidized Low Residual Phosphorus Copper Bar
Flat bar 2x0.5 inch C12000 DLR copper for heat exchanger tubesheets. Refined copper per Chapter notes (P<0.3%), HTS 7407.10.5050 'other' bars. Low residuals improve corrosion resistance.
C12500 Low Zinc Refined Copper Profile
T-profile C12500 with 0.4% Zn max for architectural extrusions. Still refined copper since Zn<1% and no predominant alloy element per note (a); HTS 7407.10.5050. Used in decorative building trim.
C10800 Tellurium Copper Rod
5/16-inch rod C10800 Te copper (0.5% Te) for screw machine products. Refined copper since Te<1% and not predominant alloy; HTS 7407.10.5050 'other' rods. Excellent machinability for fasteners.