ASTM A481-94(2000)

Standard Specification for Chromium Metal

SCOPE
1.1 This specification covers two grades of chromium metal designated as A and B.  
1.2 The values stated in inch-pound units are to be regarded as the standard.

General Information

• Status: Historical
• Publication Date: 09-Mar-2000
• ICS: 77.120.40 - Nickel, chromium and their alloys
• Technical Committee: A01 - Steel, Stainless Steel and Related Alloys
• Drafting Committee: A01.18 - Castings

Relations

• Replaced By: ASTM A481-94(2004) - Standard Specification for Chromium Metal
• Effective Date: 01-Oct-2004
• Referred By: ASTM E363-23 - Standard Test Methods for Chemical Analysis of Chromium and Ferrochromium
• Effective Date: 10-Mar-2000
• 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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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 481 – 94 (Reapproved 2000)
Standard Specification for
Chromium Metal
This standard is issued under the fixed designation A 481; 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.
This standard has been approved for use by agencies of the Department of Defense. This specification replaces Federal Specification
QQ-F-145.
1. Scope 4. Chemical Composition
1.1 This specification covers two grades of chromium metal 4.1 The various grades shall conform to the requirements as
designated as A and B. to chemical composition specified in Table 1 and Table 2.
1.2 The values stated in inch-pound units are to be regarded 4.2 The manufacturer shall furnish an analysis of each
as the standard. shipment showing the elements specified in Table 1.
2. Referenced Documents
2.1 ASTM Standards:
E 11 Specification for Wire-Cloth Sieves for Testing Pur-
poses
E 29 Practice for Using Significant Digits in Test Data to
Determine Conformance with Specifications
E 31 Methods for Chemical Analysis of Ferroalloys
E 32 Practices for Sampling Ferroalloys and Steel Additives
for Determination of Chemical Composition
E 363 Methods for Chemical Analysis of Chromium and
Ferrochromium
3. Ordering Information
3.1 Orders for material under this specification shall include
the following information:
3.1.1 Quantity,
3.1.2 Name of material,
3.1.3 ASTM designation and year of issue,
3.1.4 Size, and
3.1.5 Requirements for packaging, analysis reports, etc., as
appropriate.
3.2 The customary basis of payments for chromium metal is
per pound of alloy.
This specification is under the jurisdiction of ASTM Committee A-1 on Steel,
Stainless Steel, and Related Alloys and is the direct responsibility of Subcommittee
A01.18 on Castings.
Current edition approved Aug. 15, 1994. Published October 1994. Originally
published as A 481 – 63 T. Last previous edition A 481 – 73 (1985)e .
Annual Book of ASTM Standards, Vol 14.02.
Annual Book of ASTM Standards, Vol 03.05.
Annual Book of ASTM Standards, Vol 03.06.
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A 481 – 94 (2000)
4.3 The values shown in Table 2 are expected maximums. has been developed, therefore, for this purpose, and a number
Upon request of the purchaser, the manufacturer shall furnish rating each product type is shown in the last column of Table
an analysis for any of these elements on a cumulative basis 3. Definitions applicable to these code numbers are given in the
over a period mutually agreed upon between the manufacturer Appendix.
and the purchaser.
6. Sampling
6.1 The material shall be sampled in accordance with
5. Size
Practices E 32.
5.1 The various grades are available in sizes as listed in
6.2 Other methods of sampling mutually agreed upon by the
Table 3.
manufacturer and the purchaser may be used; however, in case
5.2 The sizes listed in Table 3 are typical as shipped from
of discrepancy, Practices E 32 shall be used for referee.
the manufacturer’s plant. These alloys exhibit varying degrees
of friability; therefore, some attrition may be expected in
7. Chemical Analysis
transit, storage, and handling. A quantitative test is not avail-
7.1 The chemical analysis of the material shall be made in
able for rating relative friability of ferroalloys. A code system
accordance with the procedure for the ferroalloys as described
in Methods E 31 and Test Methods E 363 or alternative
TABLE 3 Standard Sizes and Tolerances
methods that will yield equivalent
...