Technical Data
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At Yamato Gokin, we ensure that our products are manufactured to the highest quality and standard.
You can view the alloy and material safety data sheets for each of our materials below.
Safety Data Sheets
Alloy Data Sheets
Please click the alloy name below to view its alloy data sheet.
▸ AMS4640 (ASTM B124,B150 C63000)
▸ NC25 (Beryllium-free RWMA CLASS4)
▸ NC50 (Beryllium-free RWMA CLASS3)
▸ BeCu50 (Copper Beryllium BZF/BZD RWMA CLASS3)
Certifications

We obtained our JIS Q 9100 certification in 2016. This certification and registration covers the:
1. Development, manufacture and sale of copper alloy products (resistance welding electrode materials, various machine parts materials, mold materials, etc.)
2. Manufacture and sale of copper alloy products (materials for parts in the aerospace and defense fields)