4 Echel 5 Echel Alwminiwm 7075 Siasi Sylfaen Anodizing

Jun 15, 2014

Gadewch neges

When the user requires chemical composition verification and analysis of forgings, it must be in accordance with GB/T222-1984 "Sample sampling method for chemical analysis of steel and allowable deviation of chemical composition of finished products" and GB/T223.1223.77-19811997" "Steel and alloy chemical analysis method" regulations.