ASTM A482-05(2010)

Standard Specification for Ferrochrome-Silicon

ABSTRACT
This specification covers ferrochrome-silicon of Grades A and B. Chemical analysis shall be performed wherein specimens shall conform to required chemical composition of chromium, carbon, silicon, sulfur, phosphorus, nitrogen, manganese, nickel, vanadium, copper, molybdenum, columbium, tantalum, cobalt, aluminum, titanium, zirconium, arsenic, lead, tin, zinc, boron, antimony, silver, and bismuth.
SCOPE
1.1 This specification covers several grades of ferrochrome-silicon.

General Information

• Status: Historical
• Publication Date: 31-Mar-2010
• ICS: 77.100 - Ferroalloys
• Technical Committee: A01 - Steel, Stainless Steel and Related Alloys
• Drafting Committee: A01.18 - Castings

Relations

• Replaces: ASTM A482-05 - Standard Specification for Ferrochrome-Silicon
• Effective Date: 01-Apr-2010
• Replaced By: ASTM A482/A482M-11 - Standard Specification for Ferrochrome-Silicon
• Effective Date: 01-May-2011

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: A482 – 05 (Reapproved 2010)
Standard Specification for
1
Ferrochrome-Silicon
This standard is issued under the fixed designation A482; 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.
TABLE 1 Chemical Requirements
1. Scope
Composition, %
1.1 This specification covers several grades of ferrochrome-
Element
Grade A Grade B
silicon.
Chromium 34.0–38.0 38.0–42.0
2. Referenced Documents
Carbon, max 0.060 0.050
Silicon 38.0–42.0 41.0–45.0
2
2.1 ASTM Standards:
Sulfur, max 0.030 0.030
A1025 Specification for Ferroalloys and Other Alloying Phosphorus, max 0.030 0.030
Materials, General Requirements
E11 Specification forWovenWireTest Sieve Cloth andTest
an analysis for any of these elements on a cumulative basis
Sieves
over a period mutually agreed upon between the manufacturer
E364 Test Methods for ChemicalAnalysis of Ferrochrome-
and the purchaser.
3
Silicon
5. Size
3. General Conditions for Delivery
5.1 The various grades are available in sizes as listed in
3.1 Materials furnished to this specification shall conform to
Table 3.
the requirements of SpecificationA1025, including any supple-
5.2 The sizes listed in Table 3 are typical as shipped from
mentary requirements that are indicated in the purchase order.
the manufacturer’s plant. These alloys exhibit varying degrees
Failure to comply with the general requirements of Specifica-
of friability; therefore, some attrition may be expected in
tionA1025 constitutes nonconformance with this specification.
transit, storage, and handling. A quantitative test is not avail-
In case of conflict between the requirements of this specifica-
able for rating relative friability of ferroalloys. A code system
tion and Specification A1025, this specification shall prevail.
TABLE 2 Supplementary Chemical Requirements
4. Chemical Composition
Composition, max, percent
4.1 The various grades shall conform to the requirements as
Element Ferrochrome-Silicon (Grades A
to chemical composition specified in Tables 1 and 2. and B)
4.2 The manufacturer shall furnish an analysis of each
Nitrogen 0.050
Manganese 0.75
shipment showing the percentage of each element specified in
Nickel 0.50
Table 1.
Vanadium 0.50
4.3 The values shown in Table 2 are expected maximums.
Copper 0.050
Molybdenum 0.050
Upon request of the purchaser, the manufacturer shall furnish
Columbium 0.050
Tantalum 0.050
Cobalt 0.10
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Aluminum 0.50
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
Titanium 0.50
A01.18 on Castings.
Zirconium 0.050
Current edition approved April 1, 2010. Published May 2010. Originally
Arsenic 0.005
approved in 1963. Last previous edition approved in 2005 as A482 – 05. DOI:
Lead 0.005
10.1520/A0482-05R10.
Tin 0.005
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Zinc 0.005
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
Boron 0.005
Standards volume information, refer to the standard’s Document Summary page on
Antimony 0.005
the ASTM website. Silver 0.005
3
Withdrawn. The last approved version of
...