ASTM B37-08(2013)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:B37 −08 (Reapproved 2013)
Standard Specification for
Aluminum for Use in Iron and Steel Manufacture
This standard is issued under the fixed designation B37; the number immediately following the designation indicates the year of original
adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope E716 Practices for Sampling and Sample Preparation of
Aluminum and Aluminum Alloys for Determination of
1.1 This specification covers aluminum and aluminum al-
Chemical Composition by Spectrochemical Analysis
loys in the form of ingots, bars, rods, cones, nuggets or shot,
E1251 Test Method for Analysis of Aluminum and Alumi-
designated as shown in Table 1, for use in the manufacture of
num Alloys by Spark Atomic Emission Spectrometry
iron and steel.
2.2 Other Standards:
1.2 Units—The values stated in inch-pound units are to be
CEN EN 14242 Aluminum and Aluminum Alloys – Chemi-
regarded as standard. The values given in parentheses are
calAnalysis – Inductively Coupled Plasma Optical Emis-
mathematical conversions to SI units that are provided for
sion Spectral Analysis
information only and are not considered standard.
3. Terminology
1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
3.1 Definitions—Refer to Terminology B881 for definitions
responsibility of the user of this standard to establish appro-
of product terms used in this specification.
priate safety and health practices and determine the applica-
3.2 Definitions of Terms Specific to This Standard:
bility of regulatory limitations prior to use.
3.2.1 bar—a form of aluminum deoxidizing product with a
rectangular cross section, similar to the appearance of a brick.
2. Referenced Documents
3.2.2 cone—a form of aluminum deoxidizing product with a
2.1 ASTM Standards:
round flat base and a pointed end.
B275 Practice for Codification of Certain Nonferrous Metals
3.2.3 deox—a common or commercial term used in place of
and Alloys, Cast and Wrought
aluminum deoxidizing product.
B660 Practices for Packaging/Packing of Aluminum and
3.2.4 nugget—a form of aluminum deoxidizing product
Magnesium Products
B881 Terminology Relating toAluminum- and Magnesium- with a non-uniform (lump) shape.
Alloy Products
3.2.5 shot—a form of aluminum deoxidizing product with a
D3951 Practice for Commercial Packaging
spheroid appearance of a pellet.
E29 Practice for Using Significant Digits in Test Data to
Determine Conformance with Specifications 4. Ordering Information
E34 Test Methods for Chemical Analysis of Aluminum and
4.1 Orders for material under this specification shall include
Aluminum-Base Alloys
the following:
E607 Test Method for Atomic Emission Spectrometric
4.1.1 This specification designation (which includes the
Analysis Aluminum Alloys by the Point to Plane Tech-
number, the year, and the revision letter, if applicable),
nique Nitrogen Atmosphere (Withdrawn 2011)
4.1.2 Grade of material (see Table 1),
4.1.3 Form of material (ingot, bar, rod, cone, nugget or
shot),
This specification is under the jurisdiction of ASTM Committee B07 on Light 4.1.4 Anyrequireddimensionalorweightlimitationsforthe
Metals and Alloys and is the direct responsibility of Subcommittee B07.01 on
material, and
Aluminum Alloy Ingots and Castings.
4.1.5 The quantity in either pieces or pounds (kilograms).
Current edition approved May 1, 2013. Published August 2013. Originally
approved in 1920. Last previous edition approved in 2008 as B37 – 08. DOI:
4.2 Additionally, orders for material to this specification
10.1520/B0037-08R13.
shall include the following information when required by the
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
purchaser:
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
3 4
The last approved version of this historical standard is referenced on Available from European Committee for Standardization, Central Secretariat
www.astm.org. (CEN), rue de Stassart 36, B1050 Brussels, Belgium., www.CEN.eu/esearch.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
B37−08 (2013)
TABLE 1 Chemical Limits
6. Chemical Composition
NOTE 1—Analysis shall be made only for copper, zinc, magnesium,
6.1 Limits—The average analysis of each lot of material
silicon, and iron unless the determination of additional elements is
shall conform to the chemical composition limits specified in
required by the contract or order, or the presence of other elements in
Table 1. Conformance shall be determined by the producer by
substantial concentration is indicated during the course of the analysis. In
taking samples in accordance with E716 at the time ingots,
the latter case, the amount of these other elements shall be determined,
reported, and the total of copper, zinc, magnesium, silicon, iron, and
bars, rods, cones, nuggets or shot are poured. The average
“other elements” shall not exceed the specified amount prescribed in the
analysis shall be determined from the analytical results of all
last column of the table. Unless otherwise specified in the contract or
samples taken from that cast. If the producer has determined
order, 0.2 % or more of any “other element” shall constitute a “substantial
the chemical composition of the material during casting,
concentration” and require that element to be reported.
sampling and analysis of the finished product shall not be
NOTE 2—The following applies to all specified limits in this table: For
required.
purposesofdeterminingconformancetotheselimits,anobservedvalueor
a calculated value obtained from analysis shall be rounded to the nearest
6.2 Methods of Analysis—The determination of chemical
unit in the last right-hand place of figures used in expressing the specified
composition shall be made in accordance with E607, E716,
limit in accordance with the rounding-off method of Practice
E29.
E1251), and E34 or CEN EN 14242 (ICP method).
Composition, %
Aluminum, Total of All 6.3 When an actual chemical analysis or a certificate of
Grade
Copper, Zinc, Magnesium,
min, by Impurities,
conformance is required with a shipment, it shall be called for
max max max
Difference max
in the contract or purchase order.
990A 99.0 0.2 0.2 0.2 1.0
6.3.1 When lots are mixed, the certified chemical composi-
980A 98.0 0.2 0.2 0.5 2.0
950A 95.0 1.5 1.5 1.0 5.0
tion of a composite lot shall be the weighted average of the
920A 92.0 4.0 1.5 1.0 8.0
certified chemical compositions from each lot that is contained
900A 90.0 4.5 3.0 2.0 10.0
in the composite lot.
850A 85.0 5.0 5.5 2.5 15.0
6.4 Lot Definition—A lot shall be defined as follows:
6.4.1 A“lot” in a batch process shall consist of that product
produced in a continuous cast from one furnace or ladle. Once
4.2.1 Special packaging (see Section 7),
the furnace or ladle has been alloyed and casting starts, no
4.2.2 Whether Practices B660 applies and, if so, the levels
hardeners, liquid or solid material shall be added to the furnace
of preservation, packaging and packing required (see 7.4),
or ladle.
4.2.3 Whether Practice D3951 applies (see 7.4),
6.4.2 A “lot” in a continuous process shall consist of that
4.2.4 If inspection is required at manufacturer’s plant (see
product produced during a continuous cast from one furnace
Section 8),
during a period of up to 24 hours. Additions of hardeners,
4.2.5 Whet
...