ASTM A481-05(2010)

Standard Specification for Chromium Metal

ABSTRACT
This specification covers the standard requirements for several grades of chromium metal. Materials shall undergo chemical analysis procedures and shall adhere to specified chemical composition requirements. The metals shall also adhere to standard sizes, tolerances, and friability ratings according their grades.
SCOPE
1.1 This specification covers several grades of chromium metal.  
1.2 The values stated in inch-pound units are to be regarded as the standard.

General Information

• Status: Historical
• Publication Date: 31-Mar-2010
• ICS: 77.120.40 - Nickel, chromium and their alloys
• Technical Committee: A01 - Steel, Stainless Steel and Related Alloys
• Drafting Committee: A01.18 - Castings

Relations

• Replaces: ASTM A481-05 - Standard Specification for Chromium Metal
• Effective Date: 01-Apr-2010
• Replaced By: ASTM A481-05(2015) - Standard Specification for Chromium Metal
• Effective Date: 01-Nov-2015
• Referred By: ASTM E363-23 - Standard Test Methods for Chemical Analysis of Chromium and Ferrochromium
• Effective Date: 01-Apr-2010
• Referred By: ASTM A1025/A1025M-10(2020) - Standard Specification for Ferroalloys and Other Alloying Materials, General Requirements
• Effective Date: 01-Apr-2010

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:A481 −05(Reapproved 2010)
Standard Specification for
1
Chromium Metal
This standard is issued under the fixed designation A481; 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 4.2 The manufacturer shall furnish an analysis of each
shipment showing the elements specified in Table 1.
1.1 This specification covers several grades of chromium
metal. 4.3 The values shown in Table 2 are expected maximums.
Upon request of the purchaser, the manufacturer shall furnish
1.2 The values stated in inch-pound units are to be regarded
an analysis for any of these elements on a cumulative basis
as the standard.
over a period mutually agreed upon between the manufacturer
2. Referenced Documents
and the purchaser.
2
2.1 ASTM Standards:
5. Size
A1025 Specification for Ferroalloys and Other Alloying
5.1 The various grades are available in sizes as listed in
Materials, General Requirements
Table 3.
E11 Specification for Woven Wire Test Sieve Cloth and Test
Sieves
5.2 The sizes listed in Table 3 are typical as shipped from
E363 Test Methods for ChemicalAnalysis of Chromium and
the manufacturer’s plant. These alloys exhibit varying degrees
Ferrochromium
of friability; therefore, some attrition may be expected in
transit, storage, and handling. A quantitative test is not avail-
3. General Conditions for Delivery
able for rating relative friability of ferroalloys. A code system
3.1 Materials furnished to this specification shall conform to
has been developed, therefore, for this purpose, and a number
therequirementsofSpecificationA1025,includinganysupple-
rating each product type is shown in the last column of Table
mentary requirements that are indicated in the purchase order.
3. Definitions applicable to these code numbers are given in
Failure to comply with the general requirements of Specifica-
Specification A1025.
tion A1025 constitutes nonconformance with this specification.
6. Chemical Analysis
In case of conflict between the requirements of this specifica-
tion and Specification A1025, this specification shall prevail.
6.1 The chemical analysis of the material shall be made in
accordance with the procedure for the ferroalloys as described
4. Chemical Composition
in Test Methods E363 or alternative methods, agreed upon by
4.1 The various grades shall conform to the requirements as
the purchaser and supplier, that will yield equivalent results.
to chemical composition specified in Tables 1 and 2.
6.2 If alternative methods of analysis are used, in case of
discrepancy, Test Methods E363 shall be used for referee.
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
6.3 Where no method is given in Test Methods E363 for the
A01.18 on Castings.
analysis for a particular element, the analysis shall be made in
Current edition approved April 1, 2010. Published May 2010. Originally
accordance with a procedure agreed upon between the manu-
approved in 1963. Last previous edition approved in 2005 as A481 – 05. DOI:
10.1520/A0481-05R10.
facturer and the purchaser.
2
For
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