GB/T 33912-2017: Translated English of Chinese Standard. (GBT 33912-2017, GB/T33912-2017, GBT33912-2017): Wrought aluminum and aluminum alloy ingots made of high pure materials
https://www.chinesestandard.net, 12 jul 2019 - 15 páginas
This Standard specifies requirements, test methods, inspection rules, marks, packaging, transport, storage as well as contents quality certificate and order sheet (or content) for wrought aluminum and aluminum alloy ingots made of high pure materials. This Standard is applicable to wrought aluminum and aluminum alloy ingots that require low content of impurity elements (hereinafter referred to as ingots).
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Accepted products accordance with GB/T accordance with provisions Agreed by supplier aluminum alloy ingots aluminum alloys GB/T aluminum and aluminum analysis elements Analysis method appearance quality average diameter batch of ingots chemical analysis Chemical composition comply with provisions composition of ingots deviation of round dimensions distinguish melting sequence excluding four elements flat ingots Grain Grain size Hydrogen content indicated in order ingot fails ingots GB/T ingots shall comply ingots shall meet ingots YS/T Inspect piece Inspection method layering cold partition level of main Liquid-state hydrogen measurement main raw material mass fraction Mass Spectrometry method specified order sheet piece by piece products are delivered provisions of Table provisions of YS/T quality certificate rejected round ingots rounding-off sample fails sheet or contract shrinkage holes Size deviation slag content Solid-state hydrogen measurement specifically indicated specified in YS/T sum of elements supplier and purchaser Surface scratches Test methods unspecified in table wrought aluminum ingots