YS/T 257-2009
Indium ingots (English Version)

Standard No.

YS/T 257-2009

Language

Chinese, Available in English version

Release Date

2009

Published By

Professional Standard - Non-ferrous Metal

Latest

YS/T 257-2009

Replace

YS/T 257-1998

Scope

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of indium ingots. This standard applies to metal indium ingots that are comprehensively recovered and extracted from the smelting and production processes of zinc, lead, copper, tin, etc., and also applies to indium ingots that are recovered and extracted from other indium-containing waste materials.

YS/T 257-2009 Referenced Document

• GB/T 1250-1989 Rules for expression and judgement of limiting values
• GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values

YS/T 257-2009 history

• 2009 YS/T 257-2009 Indium ingots
• 1970 YS/T 257-1998 indium