U.C. Metal supplies high-conductivity pure copper and phosphorus-deoxidized copper coils and sheets for electrical, electronic, and industrial engineering applications. Available in precision slit strip coils and flat sheets tailored to stamping and component manufacturing requirements.
Primary Copper Grades
JIS C1100 (Tough-Pitch), JIS C1220 (Phosphorus-Deoxidized), JIS C1020 (OFC)
Available Tempers
Annealed (O), 1/4H, 1/2H, H (Hard) based on formability and hardness requirements
Available Dimensions
Strip: 0.1 mm – 3.0 mm (Width: 4 mm – 1220 mm) · Sheet: 0.2 mm – 3.0 mm (up to 1220 × 3500 mm)
Chemical Composition
Chemical composition limits according to verified company technical specifications (values in weight %):
| Element | C1100 | C1220 | C1020 |
|---|---|---|---|
| Copper (Cu) | ≥ 99.90 % | ≥ 99.90 % | ≥ 99.95 % (Cu+Ag) |
| Phosphorus (P) | — | 0.015 ~ 0.04 % | – |
* C1020 (Oxygen-Free Copper) is also available with Cu ≥ 99.96% for hydrogen embrittlement-free electrical and vacuum applications.
Mechanical Properties & Hardness (Temper) Guide
Mechanical properties and hardness ranges across standard temper conditions (JIS H3100 reference):
| Grade | Temper | Hardness (HV) | Tensile Strength (N/mm²) | Elongation (%) |
|---|---|---|---|---|
| C1100 | Soft | ≤ 60 | ≥195 | ≥20 |
| 1/4H | 60 ~ 80 | 215~285 | ≥15 | |
| 1/2H | 80 ~ 100 | 235~315 | — | |
| H | ≥ 90 | ≥275 | — | |
| C1220 | Soft | ≤ 60 | ≥195 | ≥20 |
| 1/4H | 60 ~ 80 | 215~285 | ≥15 | |
| 1/2H | 80 ~ 100 | 235~315 | — | |
| H | ≥ 90 | ≥275 | — | |
| C1020 | Soft | ≤ 60 | ≥195 | ≥20 |
| 1/4H | 60 ~ 80 | 215~285 | ≥15 | |
| 1/2H | 80 ~ 100 | 235~315 | — | |
| H | ≥ 90 | ≥275 | — |
International Standards Reference
JIS is the primary reference. The designations listed from the manufacturer’s reference table are starting points for enquiry, not a guarantee of substitution. Before ordering, confirm the applicable standard edition, product form, composition, temper, and test conditions. “–” means not verified here; it does not mean that no equivalent exists.
| JIS | China | ISO | UNS |
|---|---|---|---|
| C1100 | T2 | Cu-ETP | C11000 |
| C1020 | TU2 | Cu-OF | C10200 |
| C1220 | TP2 | Cu-DHP | C12200 |
Source: Jintian Group, undated “Contents of Copper & Alloy Strips and Corresponding Standards.” These are catalogue references, not equivalence guarantees.
Supply Dimensions & Available Formats
- Strip / Slit Coil: Thickness: 0.1 mm – 3.0 mm · Width: 4 mm – 1220 mm · Inner Diameter (ID): 200 mm, 300 mm, 400 mm, 500 mm.
- Sheet / Plate: Thickness: 0.2 mm – 3.0 mm · Width: up to 1220 mm · Length: up to 3500 mm.
- Custom Processing: In-house slitting and cut-to-length processing available at our Sam Phran facility according to customer specifications.
Enquire About Copper Coil & Sheet Supply
Send your thickness, width, conductivity requirements, or drawing specifications to our sales engineers for review and quotation.
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