cartridge brass

Someone can help me? I try to find information and chart(temeratureVShardness) about cartridge brass (cuzn30 - c26000).
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file
Upload is a website by engineers for engineers. It is not affiliated with any of manufacturers or vendors discussed here. All logos and trade names are the property of their respective owners.