ASTM A495-94(2000)

Standard Specification for Calcium-Silicon Alloys

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.

General Information

• Status: Historical
• Publication Date: 09-Mar-2000
• ICS: 77.120.99 - Other non-ferrous metals and their alloys
• Technical Committee: A01 - Steel, Stainless Steel and Related Alloys
• Drafting Committee: A01.18 - Castings

Relations

• Replaced By: ASTM A495-06 - Standard Specification for Calcium-Silicon Alloys
• Effective Date: 01-Jul-2006
• Referred By: ASTM A1025/A1025M-10(2020) - Standard Specification for Ferroalloys and Other Alloying Materials, General Requirements
• Effective Date: 10-Mar-2000

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: A 495 – 94 (Reapproved 2000)
Standard Specification for
Calcium-Silicon Alloys
This standard is issued under the fixed designation A 495; 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 (e) indicates an editorial change since the last revision or reapproval.
TABLE 1 Chemical Requirements
1. Scope
Element Composition, %
1.1 This specification covers a standard grade of calcium-
CaSi CaSiMn CaSiBa FeCaSi
silicon, a standard grade of calcium-manganese-silicon, a
standard grade of calcium-silicon-barium and a standard grade Calcium 28.0 to 16.0 to 14.0 to 14.0 to
32.0 20.0 20.0 18.0
of ferro-calcium-silicon.
Silicon 60.0 to 53.0 to 55.0 to 53.0 to
65.0 59.0 60.0 59.0
2. Referenced Documents
Manganese . . . 14.0 to . .
18.0
2.1 ASTM Standards:
Barium . . 14.0to .
E 29 Practice for Using Significant Digits in Test Data to
18.0
Iron 5.0 max 10.0 max 5.0 max 14.0 to
Determine Conformance with Specifications
3 18.0
E 31 Methods for Chemical Analysis of Ferroalloys
E 32 Practices for Sampling Ferroalloys and SteelAdditives
for Determination of Chemical Composition
4.4 . Calcium-Silicon-Barium—Themanufacturershallfur-
nish an analysis of each shipment showing the calcium, silicon
3. Ordering Information
and barium contents.
3.1 Orders for material under this specification shall include
4.5 Ferro-Calcium-Silicon—The manufacturer shall furnish
the following information:
an analysis of each shipment showing the calcium, silicon and
3.1.1 Quantity,
iron contents.
3.1.2 Name of material,
4.6 The values shown in Table 2 are expected maximums.
3.1.3 ASTM designation,
Upon request of the purchaser, the manufacturer shall furnish
3.1.4 Size, and
an analysis for any of the elements on a cumulative basis over
3.1.5 Special requirements for packaging, analysis reports,
a period mutually agreed upon by the manufacturer and the
etc., as appropriate.
purchaser.
3.2 The customary basis of payment for calcium-silicon and
for calcium-manganese-silicon is per pound of ferroalloy,
5. Size
rather than per pound of contained elements.
5.1 Calcium-silicon alloys are available in sizes as listed in
Table 3.
4. Chemical Requirements
5.2 The sizes listed in Table 3 are typical as shipped from
4.1 The material shall conform to the requirements as to
the manufacturer’s plant. These alloys are friable and some
chemical composition specified in Table 1 and Table 2.
attrition can be expected in transit, storage, and handling. The
4.2 Calcium-Silicon—The manufacturer shall furnish an
friability rating for these alloys is Code No. 6, the most friable
analysis of each shipment showing the calcium, silicon, and
rating on the scale.
aluminum content.
A
4.3 Calcium-Manganese-Silicon—The manufacturer shall
TABLE 2 Supplemental Chemical Requirements
furnish an analysis of each shipment showing the calcium,
Element Composition, Max %
manganese, and silicon content.
CaSi CaSiMn CaSiBa FeCaSi
Carbon 1.00 1.00 1.0 1.0
Sulfur 0.070 0.025 0.050 0.050
Phosphorus 0.050 0.035 0.050 0.050
This specification is under the jurisdiction of ASTM Committee A-1 on Steel,
Titanium 0.20 0.20 0.20 0.20
Stainless Steel, and RelatedAlloys and is the direct responsibility of Subcommittee
Aluminum 1.5 1.5 1.5 1.5
A01.18 on Castings.
A
Current edition approved Aug. 15, 1994. Published October 1994. Originally
The composition of calcium-silicon alloys shall be within these limits; however,
published as A 495 – 63 T. Last previous edition A 495 – 76 (1992).
ananalysisofeachlotisnotrequired.Themanufacturershallsupplyuponrequest
Annual Book of ASTM Standards, Vol 14.02.
the results of an analysis for these elements on a cumulative basis over a period
Annual Book of ASTM Standards, Vol 03.05. mutually agreed upon by the manufacturer and the purchaser.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
A 495 – 94 (2000)
TABLE 3 Standard Sizes and Tolerances
Product Standard Size Tolerance
Calcium-silicon 6 3 2 in. (152 3 50.8 mm) 25 lb lump max 10 % max, passing 2 in. (50 mm) sieve
3 in. (76.2 mm) 3 down 10 % max, retained on 3 in. (75 mm) sieve 15 % max,
...