Today I will share ASTM A922-05(2020) ,and the title is Standard Specification for Silicon Metal.ASTM A922-05(2020) free download.
ASTM A922-05(2020) covers different sizes of several grades of silicon metal. The metal shall undergo chemical analysis and shall conform to specified chemical composition requirements.
ASTM A922-05(2020) covers several grades of silicon metal.The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. The SI equivalents of inch-pound units given may be approximate.
4. Chemical Composition
4.I The grades shall conform to the requirements as to the chemical composition specified in Table 1.
4.2 The manufacturer shall furnish an analysis of each shipment showing the percentage of each element specified.
4.3 Upon request of the purchaser, the manufacturer shall furnish an analysis of any trace elements on a schedule mutually agreed upon between the supplier and the purchaser.