行业组件数据 · 2026

铜芯

High-purity copper core for electrical conductivity in industrial applications

技术定义与适配语境
典型 铜芯 会按材料、尺寸公差、适配关系和失效风险在 基础金属制造 中评估。

A precision-engineered copper core component designed for high-purity copper rod production, featuring exceptional electrical conductivity, thermal stability, and mechanical integrity for demanding electrical applications including power transmission, motor windings, and transformer manufacturing

组件规格

定义
A precision-engineered copper core component designed for high-purity copper rod production, featuring exceptional electrical conductivity, thermal stability, and mechanical integrity for demanding electrical applications including power transmission, motor windings, and transformer manufacturing
工作原理
Utilizes copper's inherent high electrical conductivity (approximately 5.96×10⁷ S/m at 20°C) and low resistivity to minimize energy loss during electrical current transmission, while maintaining structural stability through controlled grain structure and purity levels
材料
Electrolytic Tough Pitch (ETP) Copper C11000 with minimum 99.90% Cu contentoxygen content 0.02-0.04%with trace elements controlled to: Pb<0.005%Fe<0.005%S<0.004%
Density
8.94 g/cm³
Elongation
≥35%
Conductivity
≥101% IACS
Melting Point
1083°C
Diameter Range
8-50 mm
Tensile Strength
200-250 MPa
Surface Roughness
Ra ≤ 0.8 μm
Dimensional Tolerance
±0.1 mm
标准
ISO 431DIN 1787ASTM B49IEC 60228

行业分类与别名

铜芯 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Impurity contamination during manufacturing->Reduced electrical conductivity and increased resistivity->Implement strict material traceability and purity verification protocols
Improper annealing temperature control->Grain growth affecting mechanical properties->Automated temperature monitoring with ±5°C precision
Surface oxidation during storage->Increased contact resistance and poor solderability->Nitrogen atmosphere storage and anti-tarnish coatings

工业生态与工程逻辑

0
Copper theft due to high scrap value
1
Oxidation during storage
2
Work hardening during processing
3
Thermal expansion mismatch in composite assemblies

合规与检测

tolerance
Diameter: ±0.1mm, Ovality: ≤0.05mm, Straightness: ≤1mm/m
test method
Electrical conductivity: Four-point probe method per ASTM B193, Mechanical properties: Tensile testing per ISO 6892-1, Chemical composition: Optical emission spectroscopy per ASTM E415

制造该组件的工厂

来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the primary advantage of using high-purity copper cores?

High-purity copper cores provide superior electrical conductivity with minimal energy loss, excellent thermal dissipation, and enhanced corrosion resistance compared to lower-grade alternatives

How does oxygen content affect copper core performance?

Controlled oxygen content (0.02-0.04%) improves hot workability and reduces hydrogen embrittlement risk while maintaining electrical conductivity

What applications are suitable for this copper core component?

Power transmission cables, motor windings, transformer coils, busbars, electrical connectors, and high-frequency applications requiring minimal signal loss

我可以直接联系工厂吗?

CNFX 是开放目录,不是交易平台或采购代理。工厂资料和表单用于帮助你准备直接沟通。

CNFX Industrial Component Index · 基础金属制造

数据基础

CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。

初步技术归类
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

请求制造能力信息: 铜芯

说明目标数量、应用场景、交期和关键技术要求,用于准备 RFQ 或供应商评估。

谢谢,信息已发送。
谢谢,信息已收到。

需要制造 铜芯?

对比具备该组件加工或装配能力的制造商资料。

创建制造商档案 联系我们
上一个组件
铜结晶器板/管
下一个组件
铝合金化元素
URN:CNFX:ME:UNIT:COPPER_CORE