ASTM A550:16 pdf download.Standard Specification for Ferrocolumbium (Ferroniobium).
1.1 This specification covers three grades of Ferrocolumhium (ferroniohium), designated Low-Alloy Steel Grade, Alloy and Stainless Steel Grade, and High-Purity Grade.
1.2 The values stated in inch-pound units are to he 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.
2. Referenced Documents
2.1 AS1M Standards:2
A 1025 Specification for Ferroalloys and Other Alloying Materials, General Requirements
El 1 Specification for Woven Wire Test Sieve Cloth and Test Sieves
3. General Conditions for Delivery
3. 1 Materials furnished to this specification shall conform to the requirements of Specification A 1025, including any supplementary requirements that are indicated in the purchase order.Failure to comply with the general requirements of Specifica-tion A1025 constitutes nonconformance with this specification.In case of conflict between the requirements of this specifica-tion and Specification A1025, this specification shall prevail.4.Chemical Composition
4.1 The material shall conform to the requirements as tochemical composition specified in Tables 1 and 2.The manu-facturer shall furnish an analysis of each shipment showing thepercentage of each element specified in Table 1.
4.2 For elements specified in Table 2 an analysis of each lotis not required. Upon request of the purchaser， the manufac-turer shall supply the results of an analysis for the elementsspecified in Table 2 on a cumulative basis over a periodmutually agreed upon by the manufacturer and the purchaser.
5.Sizing
5.1 Ferrocolumbium (ferroniobium) is available in sizes andto tolerances shown in Table 3.
6. Keywords
6.1 columbium (niobium); ferrocolumbium (ferroniobium);tantalum.
ASTM A550:16 pdf download
