Copper cathodes
Discuss the price basis and premium/discount using actual chemistry, brand/source documents, packing, quantity and delivery location.
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Copper cathodes · Copper plate
Distinguish cathodes from fabricated plate; identify producer, reference grade and lot markings. For rolled plate, discuss alloy designation, temper, use and thickness × width × length (mm). Distinguish cast and anode plates.
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Specifications and pricing reference
Discuss the price basis and premium/discount using actual chemistry, brand/source documents, packing, quantity and delivery location. Temper, dimensions/tolerances, flatness, surface, quantity and packing inform quotations; no universal tolerance is assumed.
| Parameter | Standard reference value |
|---|---|
| Copper cathodes | Distinguish cathodes from fabricated plate; identify producer, reference grade and lot markings. |
| Copper plate | For rolled plate, discuss alloy designation, temper, use and thickness × width × length (mm). Distinguish cast and anode plates. |
| Copper cathodes · Assay and lot information | Cu; Se, Te, Bi, Sb, As, Pb, S, Fe, Ag |
| Copper cathodes · Standard reference | GB/T 467—2010 |
| Copper cathodes · Pricing discussion | Discuss the price basis and premium/discount using actual chemistry, brand/source documents, packing, quantity and delivery location. |
| Copper cathodes · Reference notes | Grade A involves individual and grouped impurity criteria; Cu 99.99% alone does not establish the grade. |
| Copper plate · Assay and lot information | Cu; thickness × width × length (mm) |
| Copper plate · Standard reference | GB/T 2040—2017 / GB/T 5231—2022 |
| Copper plate · Pricing discussion | Temper, dimensions/tolerances, flatness, surface, quantity and packing inform quotations; no universal tolerance is assumed. |
Standards and specifications are references for product and pricing discussions, not fixed supply thresholds. Share available assays, photos, quantity and location. Actual composition, material condition and delivery arrangements inform the terms agreed by both parties.
Numerical specification reference
GB/T 467—2010 · Composition values: mass %
| Parameter | Cu-CATH-1 |
|---|---|
| Se / Te / Bi (each) | ≤ 0.00020 |
| Se+Te | ≤ 0.00030 |
| Se+Te+Bi | ≤ 0.0003 |
| Sb | ≤ 0.0004 |
| As | ≤ 0.0005 |
| Cr+Mn+Sb+Cd+As+P | ≤ 0.0015 |
| Pb | ≤ 0.0005 |
| S | ≤ 0.0015 |
| Fe | ≤ 0.0010 |
| Sn+Ni+Fe+Si+Zn+Co | ≤ 0.0020 |
| Ag | ≤ 0.0025 |
| Total listed impurities | ≤ 0.0065 |
For comparing lots and discussing specifications and pricing, not a universal RTV supply threshold.
Standard designations include Grade A Cu-CATH-1, No. 1 Cu-CATH-2 and No. 2 Cu-CATH-3. This Grade A table considers individual, grouped and total impurities. Cu 99.99% alone does not establish Grade A; do not apply this table to other grades.
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Review focus
Discuss the price basis and premium/discount using actual chemistry, brand/source documents, packing, quantity and delivery location. Temper, dimensions/tolerances, flatness, surface, quantity and packing inform quotations; no universal tolerance is assumed.
Copper plate
Temper, dimensions/tolerances, flatness, surface, quantity and packing inform quotations; no universal tolerance is assumed.
Assay and lot information
From lot information to price discussion
Start with the information available; further details can follow.
Assay and lot information
Start with the information available; further details can follow.
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01
Share available details
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02
Discuss the lot
Review actual composition, moisture, packaging and intended use, then identify any useful additional information.
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03
Agree price and delivery
Discuss the pricing basis, testing, payment and delivery arrangements for the particular lot.
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