ASTM A495-06(2020)
(Specification)Standard Specification for Calcium-Silicon Alloys
Standard Specification for Calcium-Silicon Alloys
ABSTRACT
This specification covers a standard grade of calcium-silicon, a standard grade of calcium-manganese-silicon, a standard grade of calcium-silicon-barium and a standard grade of ferro-calcium-silicon. The material shall conform to the requirements as to chemical composition specified.
SCOPE
1.1 This specification covers a standard grade of calcium-silicon, a standard grade of calcium-manganese-silicon, a standard grade of calcium-silicon-barium, and a standard grade of ferro-calcium-silicon.
1.2 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
General Information
Relations
Standards Content (Sample)
This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: A495 −06 (Reapproved 2020)
Standard Specification for
Calcium-Silicon Alloys
This standard is issued under the fixed designation A495; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope any supplementary requirements that are indicated in the
purchase order. Failure to comply with the general require-
1.1 This specification covers a standard grade of calcium-
ments of Specification A1025/A1025M constitutes nonconfor-
silicon, a standard grade of calcium-manganese-silicon, a
mance with this specification. In case of conflict between the
standard grade of calcium-silicon-barium, and a standard grade
requirements of this specification and Specification A1025/
of ferro-calcium-silicon.
A1025M, this specification shall prevail.
1.2 This international standard was developed in accor-
4. Chemical Requirements
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
4.1 The material shall conform to the requirements as to
Development of International Standards, Guides and Recom-
chemical composition specified in Tables 1 and 2. The manu-
mendations issued by the World Trade Organization Technical
facturer shall furnish an analysis of each shipment showing the
Barriers to Trade (TBT) Committee.
percentage of each element specified in Table 1.
4.2 FortheelementsspecifiedinTable2,ananalysisofeach
2. Referenced Documents
lot is not required. Upon request of the purchaser, the manu-
2.1 ASTM Standards:
facturer shall supply the results of an analysis for the elements
A1025/A1025M Specification for Ferroalloys and Other Al-
in Table 2 on a cumulative basis over a period mutually agreed
loying Materials, General Requirements
upon by the manufacturer and the purchaser.
3. General Conditions for Delivery
5. Size
3.1 Material furnished to this specification shall conform to
5.1 Calcium-silicon alloys are available in sizes as listed in
the requirements of Specification A1025/A1025M, including
Table 3.
5.2 The sizes listed in Table 3 are typical as shipped from
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
the manufacturer’s plant. These alloys are friable and some
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
attrition can be expected in transit, storage, and handling. The
A01.18 on Castings.
friability rating for these alloys is Code No. 6, the most friable
Current edition approved March 1, 2020. Published March 2020. Originally
approved in 1963. Last previous edition approved in 2015 as A495 – 06 (2015). rating on the scale.
DOI: 10.1520/A0495-06R20.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or 6. Sampling
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
6.1 Methods of sampling may be agreed upon by the
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. manufacturer and the purchaser.
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A495 − 06 (2020)
TABLE 1 Chemical Requirements
Composition, %
Element
CaSi CaSiMn CaSiBa FeCaSi
Calcium 28.0 to 32.0 16.0 to 20.0 14
...
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