WUXI SLAST SPECIAL STEEL CO., LTD
| Payment Terms | 30% TT DEPOSIT IN ADVANCE 70% BALANCE OF TT BEFORE LOADING |
| Supply Ability | 10000ton/month |
| Delivery Time | 7-15 days or as requirements |
| Packaging Details | Standard Export Seaworthy Package. Suit for all kinds of transport, or as required |
| Material | Copper Ingot |
| Cu (Min) | 99.99% |
| Type | Brass |
| Alloy Or Not | Non-Alloy |
| Color | Red Yellow |
| Application | Electric Industry |
| Brand Name | Wuxi Slast/Sylaith Special Steel Co., LTD |
| Model Number | Copper Ingots |
| Certification | ISO |
| Place of Origin | JIANGSU, CHINA |
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Product Specification
| Payment Terms | 30% TT DEPOSIT IN ADVANCE 70% BALANCE OF TT BEFORE LOADING | Supply Ability | 10000ton/month |
| Delivery Time | 7-15 days or as requirements | Packaging Details | Standard Export Seaworthy Package. Suit for all kinds of transport, or as required |
| Material | Copper Ingot | Cu (Min) | 99.99% |
| Type | Brass | Alloy Or Not | Non-Alloy |
| Color | Red Yellow | Application | Electric Industry |
| Brand Name | Wuxi Slast/Sylaith Special Steel Co., LTD | Model Number | Copper Ingots |
| Certification | ISO | Place of Origin | JIANGSU, CHINA |
| High Light | 99.99% Copper Ingots ，Smooth Surface Copper Ingots ，Chemical Industry copper ingot satisfactory | ||
Experience superior quality with Sylaith’s customized pure copper ingots, offering purity grades from 3N (99.9%) to 5N (99.999%). These high-purity, non-alloy copper ingots are tailored for high-precision electrical and industrial applications, providing exceptional conductivity, corrosion resistance, and mechanical strength.
Manufactured under strict ISO and ASTM standards, each copper ingot is produced using advanced refining and casting technology to ensure ultra-low impurity levels. With customizable shapes and sizes, Chengmai copper ingots are ideal for clients with specific technical or dimensional requirements.
Perfect for industries such as electronics, semiconductors, aerospace, and high-performance electrical components, these copper ingots are available in red or yellow tones depending on purity and finish.
| Parameter | Details |
|---|---|
| Product Name | Pure Copper Ingot 3N / 4N / 4N5 / 5N |
| Purity Grades Available | 3N (99.9%), 4N (99.99%), 4N5 (99.995%), 5N (99.999%) |
| Brand | Sylaith |
| Place of Origin | Jiangsu, China |
| Alloy or Not | Non-Alloy |
| Secondary or Not | Non-Secondary |
| Color | Red, Yellow |
| Density | 8.96 g/cm³ |
| Material | Pure Copper |
| Custom Order | Accepted |
| Dimensions | Width: 305–1000mm, Length: 800–2500mm, or Custom |
| Certifications | ISO Certified, ASTM Standard Compliant |
| Features | High Tensile Strength, High Precision |
| Applications | Electric Industry, Conductive Components, Melting |
| Packaging | Standard export packaging or as per request |
| Single Item Size | 10 x 10 x 10 cm |
| Single Gross Weight | 11 kg |
| Element | Content |
|---|---|
| Copper (Cu) | 99.951% – 99.999% |
| Lead (Pb) | 0.0000% |
| Zinc (Zn) | 0.0000% – 0.0001% |
| Phosphorus (P) | 0.014% – 0.016% |
| Iron (Fe) | Trace |
| Aluminum (Al) | 0.0000% – 0.0001% |
| Silicon (Si) | 0.0001% |
✅ Electronics & Electrical Engineering
Perfect for high-end conductors, semiconductor base plates, transformers, and electric cables, where high conductivity and low impurity are essential.
✅ Semiconductor & PCB Industry
The 5N-grade purity makes these ingots ideal for printed circuit boards, IC packages, and precision contacts in microelectronic devices.
✅ Aerospace & Military
Used in aircraft components, military-grade equipment, and thermal control systems requiring exceptional durability and thermal conductivity.
✅ Refining & Alloying
Used in metallurgical processes to produce custom alloys, brass, and bronze, especially where trace metal control is critical.
✅ Scientific Research & Labs
Common in academic and industrial research, including plasma chambers, vacuum environments, and experimental apparatus requiring high-purity metals.
We offer 3N (99.9%), 4N (99.99%), 4N5 (99.995%), and 5N (99.999%) copper ingots.
These are non-alloy, pure copper ingots made with advanced refining to eliminate impurities.
Yes, custom sizes and shapes are accepted as per your project specifications.
Our products comply with ISO certification and ASTM standards for quality and material integrity.
The standard density is 8.96 g/cm³, consistent with high-purity copper.
Please contact us for MOQ and wholesale pricing — we support both small and bulk orders.
All ingots are shipped in standard export packaging, with custom packaging available on request.
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2010
Total Annual:
500000-600000
Employee Number:
100~450
Ecer Certification：
Verified Supplier
Wuxi Sylaith(SLAST) Special Steel Co., Ltd. is a professional steel supplier engaged in the sale and service. Our company mainly sells copper material, carbon steel, stainless steel, aluminum alloy, wear-resistant steel, weather resistant steel,galvanized steel etc. We are located in ... Wuxi Sylaith(SLAST) Special Steel Co., Ltd. is a professional steel supplier engaged in the sale and service. Our company mainly sells copper material, carbon steel, stainless steel, aluminum alloy, wear-resistant steel, weather resistant steel,galvanized steel etc. We are located in ...
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