MITSUBISHI MATERIALSCopper & Copper Alloy Products
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MITSUBISHI MATERIALSCopper & Copper Alloy Products

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Products information

Cakes & Billets

Characteristics

  • Copper cakes and billets from MMC are core copper products widely adopted across a broad range of industries, including automotive components, semiconductors, welding electrodes, and aerospace. With superior quality and stable properties, they are highly regarded as ideal starting materials for manufacturing a wide variety of high value-added products such as plates, strips, tubes, bars, wires, and forgings.
  • We manufacture copper cakes and billets at two production sites: Osaka Plant, Sakai site and Onahama Smelting Co., Ltd. in Iwate City, Fukushima. One of the most robust supply systems in Japan enables us to provide stable and reliable supply tailored to diverse customer requirements.
  • In addition to major copper grades such as tough-pitch copper and phosphorus-deoxidized copper, we offer oxygen-free copper that boasts world-leading quality and market share. Our lineup also includes a wide range of high-performance copper alloys based on oxygen-free copper, with additions of chromium, zirconium, nickel, silver, and other elements.

Formats and dimensions

Billets

Diameters：φ200 mm ～ φ362.5 mm
Lengths：max. 5,800mm
Weight：max. 10 MT per piece

※For details, please refer to the product catalog. Sizes and quantities are subject to discussion on a case-by-case basis.

Cakes

Width：190mm ～ 290mm
Thicknesses：540mm ～ 1,050mm
Lengths：max. 5,800mm
Weight：max. 10 MT per piece

※For details, please refer to the product catalog. Sizes and quantities are subject to discussion on a case-by-case basis.

Products Type

Pure Copper Cu-Ag Cu-Cr Cu-Zr Cu-Ni
C10200 C10400 C18200 C15000 C18000
C10100 （※1）（※2） C10700 C18150 C15100  
C10800        
C12200        
C11000        
※We also manufacture other kinds of alloys. Please contact us for details.
(※1) RRR measurement can be conducted upon request.
(※2) Class determination in accordance with ASTM F68 can be performed upon request.
Billets_Cakes_Guide_ENLeaflet download

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