ASTM B152 C11000 Copper Plate Mill Finish Copper Sheet for Roofing Cladding
Product Details
| Material: | C11000 ETP Copper, Cu >= 99.90% | Standard: | ASTM B152 |
|---|---|---|---|
| Thickness: | 0.5-10 Mm | Width: | 600-1200 Mm |
| Temper: | O / 1/4 Hard | Surface: | Mill Finish |
| Processing: | Cut To Length, Slitting, Bending | Application: | Roofing, Cladding, Gutter, Flashing |
| Highlight |
mill finish copper plate,C11000 roofing copper,architectural copper plate sheet |
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Product Description
C11000 Copper Plate, 0.5–10 mm, Mill Finish — for Roofing, Cladding and Gutters
Mill finish C11000 plate is engineered for architectural work that will weather naturally: standing seam roofing, wall cladding, rainwater goods, dormers and flashings. The surface is left unpolished so the copper develops its patina evenly, and sheets are supplied flat with protective film to prevent handling marks on site.
- Material: C11000 electrolytic tough pitch copper, Cu ≥ 99.90%
- Supply form: Rolled plate and sheet, cut to size on request
- Capacity: 1000+ tons per month from our Wuxi plant, with plate stock held for urgent orders
- Typical users: Roofing contractors, architectural fabricators, facade installers, heritage restoration specialists
| Parameter | Details |
|---|---|
| Material | C11000 (ETP copper, Cu ≥ 99.90%) |
| Standard | ASTM B152 (also produced to JIS H3100, EN 13601, GB/T 2040 on request) |
| Thickness | 0.5 mm – 10 mm (0.6 / 0.8 / 1.0 / 1.5 mm typical for roofing) |
| Width | 600 mm – 1200 mm coils and sheets, cut to length |
| Length | Standard 1000 / 2000 / 2440 / 3000 mm, or customized |
| Temper | O / 1/2 Hard / Hard (H04, H02, H08 available) |
| Surface | Mill / Bright / Polished |
| Certificate | MTC with heat number and mechanical results, ISO 9001:2015 |
| Conductivity | ≥ 100% IACS |
| Dimensional tolerance | Thickness ± 0.03 mm, flatness within 3 mm per metre |
Plates are rolled from certified electrolytic cathode, then processed in-house so the customer receives installation-ready material instead of a mill plate that must be re-worked locally.
- Cutting and slitting: CNC plasma and water-jet cutting, guillotine shearing and slitting lines handle straight cuts, profiles, holes and narrow strips.
- Machining: Sawing of heavy plate, edge milling, chamfering and deburring.
- Forming: Bending, punching and welding of plate into busbar and panel assemblies on request.
- Surface processing: Bright pickling, polishing and PE film protection for visible or decorative faces.
- Inspection at every step: Incoming chemistry check, in-process thickness and width measurement, final flatness and visual inspection before packing.
Architectural copper is specified for service life measured in decades. Mill finish keeps the surface uniform so patina develops without patchiness caused by polishing residue.
| Industry | Typical Part | Why C11000 |
|---|---|---|
| Roofing | Standing seam, batten roll, dormers | Natural patina, 80+ year service life |
| Facade | Wall cladding, soffits, canopies | Formability, low maintenance |
| Rainwater | Gutters, downpipes, hoppers | Corrosion resistance |
| Restoration | Heritage repairs, church roofs | Material match to original copper |
- Chemical composition: Spectrometer analysis on every heat, reported on the MTC.
- Mechanical properties: Tensile and elongation tested per batch to ASTM B152.
- Dimension and flatness: Thickness gauge and straight-edge check on each bundle, recorded on the inspection sheet.
- Surface: 100% visual inspection under daylight lamps; protective PE film applied where required.
- Packing: Interleaving paper between plates, anti-moisture film wrap, fumigated wooden pallet, steel strapping and corner protectors; container loading photos sent before departure.
- Real capacity: 1000+ tons per month with plate stock of 0.5 mm, 1 mm, 2 mm, 3 mm, 5 mm, 10 mm and 20 mm held in Wuxi.
- In-house processing: Cutting, slitting, sawing and machining under one roof, so lead time is not lost to subcontractors.
- Honest lead times: 7–12 working days, 15–20 working days for cut-to-length programmes.
- Low entry quantity: MOQ 100 kg, so a buyer can verify quality on a trial pallet before committing tonnage.
- Traceable quality: MTC per heat, batch photos and third-party inspection on request.
- Export experience: 80%–90% of output is exported, with sea-freight packing proven on European, Middle East and Southeast Asian routes.
C11000 is electrolytic tough pitch (ETP) copper with roughly 0.02–0.05% oxygen and a minimum of 99.90% Cu. C10200 is oxygen-free copper with oxygen below 0.001% and 99.95% Cu minimum, so it resists hydrogen embrittlement during brazing in vacuum or reducing atmospheres. Choose C11000 for busbars, general fabrication and cost efficiency; choose C10200 for vacuum components, electron tubes and critical brazed assemblies.
ASTM B152 is the standard specification for copper sheet, strip, plate and rolled bar. It defines the required chemical composition, mechanical properties and dimensional tolerances for grades such as C11000, C10200 and C12200. Plates supplied to ASTM B152 are normally certified with a Mill Test Certificate stating heat number, chemistry and mechanical results.
Yes. We slit, shear, saw and CNC cut to your drawing. Standard tolerances are ± 0.1 mm on thickness for cut plate and ± 1 mm on width and length; tighter tolerance down to ± 0.05 mm is available on request. Cut pieces are deburred and individually labelled before packing.
Our C11000 plates run from 0.5 mm to 200 mm. Stock thicknesses are 0.5 mm, 1 mm, 2 mm, 3 mm, 5 mm, 10 mm and 20 mm; other thicknesses are rolled or sawn to order. Thickness tolerance follows ASTM B152 unless a tighter drawing tolerance is specified.
Yes. Every shipment is accompanied by an MTC showing heat number, chemical composition and mechanical properties, issued against the actual production batch. Third-party inspection such as SGS or BV and pre-shipment dimension reports can be arranged on request.
Send the following five points and you will receive a quotation with current LME-linked pricing within one working day:
| Item | What to Tell Us |
|---|---|
| 1. Material | C11000, or ask us to recommend C10200 / C12200 / brass grades |
| 2. Thickness | Required thickness and tolerance |
| 3. Size | Width × length, or drawing for cut profiles |
| 4. Quantity | Kilograms or tons per size, and whether trial order |
| 5. Destination port | Port of discharge so we can quote FOB, CFR or CIF |
Request a quote today: reply with your material, thickness, size, quantity and destination port, and our export team will confirm price, stock availability and the next sailing date.
Product Highlights
C11000 copper plate to ASTM B152, 0.5-10 mm mill finish for roofing, facade cladding, gutters and heritage restoration, supplied flat and film protected.
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