ASTM-A550:16(R2021) pdf free download – Standard Specification for Ferrocolumbium (Ferroniobium).
3.1 Materials furnished W this specification shall conform to the requirements of Specification Al025/AIO2SM. including any supplementary requirements that are indicated in the punhase order. Failure to comply with the general requirenienis of Specification Al0251Al025M constitutes nonconformance with this specification. In case of conflict between the requirements of this specification and Specification lO25/ A1025M, this specification shall prevail.
4. Chemical Composition
4.1 The material shall confonn to the requirements as to chemical cotnposition specified in Tables I and 2. The manufacitirer shall furnish an analysis of each shipment showing the percentage of each clement specified in Table I.
4.2 For elements specified in Table 2 an analysis of each lt is not required. Upon request of the purchase. the manufacturer shall supply thc results of an analysis for the clements specitied in Table 2 on a cumulative basis over a period mutually agreed upon by the manufacturer and the purchaser.
5. Sizing
5.1 Fcrroeolumhium (ferroniohium) is available in sues and to tolerances shown in Table 3.
6. Key words
6.1 culumbium (niobium): fcrmcolurnhium ferrnniohium f: tantalum.