ASTM A922-05,Standard Specification for Silicon Metal.It is reapproved in 2020.The size of this pdf file is 764K.
ASTM A922-05 covers several grades of silicon metal.
3. General Conditions for Delivery
3. 1 Materials furnished to this specification shall conform to the requirements of Specification A1025/A1025M, includingany supplementary requirements that are indicated in the purchase order. Failure to comply with the general requirements of Specification A 1025/A 1025M constitutes nonconformance with this specification. In case of conflict between therequirements of this specification and Specification A1025/A1025M, this specification shall prevail.
4. Chemical Composition
4.1 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.