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ASTM A146-04

(Specification)

Standard Specification for Molybdenum Oxide Products

Standard Specification for Molybdenum Oxide Products

ABSTRACT
This specification covers four grades of molybdenum oxide, designates as A, B1, B2, and molybdic oxide briquets. The various grades shall conform to the required chemical compositions of molybdenum, sulfur, and copper. The materials shall be sampled and shall undergo correction of the sample to dry net weight.
SCOPE
1.1 This specification covers four grades of molybdenum oxide, designated as A, B1, B2, and molybdic oxide briquets.
1.2 The values stated in inch-pound units are to be regarded as the standard.

General Information

Status
Historical
Publication Date
30-Apr-2004
Technical Committee
A01 - Steel, Stainless Steel and Related Alloys
Drafting Committee
A01.18 - Castings
Current Stage
Ref Project

Relations

Replaces
ASTM A146-64(2000) - Standard Specification for Molybdenum Oxide Products
Effective Date
01-May-2004
Replaced By
ASTM A146-04(2009) - Standard Specification for Molybdenum Oxide Products
Effective Date
01-Oct-2009
Referred By
ASTM A1025/A1025M-10(2020) - Standard Specification for Ferroalloys and Other Alloying Materials, General Requirements
Effective Date
01-May-2004

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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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: A146 – 04
Standard Specification for
1
Molybdenum Oxide Products
This standard is issued under the fixed designation A146; 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*
1.1 This specification covers four grades of molybdenum
Molybdenum Oxide
Molybdic
oxide, designated as A, B1, B2, and molybdic oxide briquets.
Oxide Briquets
Grade A Grade B1 Grade B2
1.2 The values stated in inch-pound units are to be regarded
Molybdenum, min 55.0 57.0 57.0 51.6
as the standard.
Sulfur, max 0.25 0.10 0.10 0.15
Copper, max 1.0 1.0 0.15 0.15
2. Referenced Documents
2
2.1 ASTM Standards:
one sample. The material forming a sample shall be crushed if
A1025 Specification for Ferroalloys and Other Alloying
necessary,andinanyeventpassedthroughaNo.10(2.00-mm)
Materials, General Requirements
sieve. The sample after sieving shall be thoroughly mixed by
3. General Conditions for Delivery
coning and then reduced to about 2 lb (0.9 kg) by quartering or
by means of a riffle sampler. The reduced sample shall then be
3.1 Materials furnished to this specification shall conform to
crushed and passed through a No. 60 (250-µm) sieve. The
the requirements of SpecificationA1025, including any supple-
sample after sieving shall again be mixed by coning and then
mentary requirements that are indicated in the purchase order.
divided through a riffle, preferably a Jones divider, into the
Failure to comply with the general requirements of Specifica-
required number of analytical samples.
tionA1025 constitutes nonconformance with this specification.
5.2 Sampling Large Containers—When packed in drums or
In case of conflict between the requirements of this specifica-
largebagsorcartons,thematerialshallbesampledbyselecting
tion and Specification A1025, this specification shall prevail.
about one twentieth of the content of each package that may
4. Chemical Requirements
bear the same manufacturing lot number, and the combined
material selected shall be reduced and analyzed as a separate
4.1 The various grades shall conform to the requirements as
sample. When a shipment cannot be divided by lot numbers,
to chemical composition specified in Table 1.
about one twentieth of the content of each package in the
4.2 The manufacturer shall furnish an analysis of each
shipment shall be selected, and the combined material selected
shipment showing the percentage of each element specified.
shall be treated as one sample. The material comprising a
5. Sampling
sample shall be thoroughly mixed by coning and reduced by
half-shoveling, alternating the operations until the residual
5.1 Sampling Small Bags—When packed in the standard-
weight reaches about 40 lb (18.1 kg). Segregation of sizes shall
ized small packages, each holding contained molybdenum, the
be carefully avoided. The sample thus reduced shall be
material shall be sampled by selecting at random one twentieth
crushed, if necessary, to pass through a No. 10 (2.00-mm)
of the bags that may bear the same manufacturing lot number,
sieve, and the subsequent sampling procedure shall be as
and the combined content of these bags shall be reduced and
prescribed in 5.1 .
analyzed as a separate sample. When a shipment cannot be
5.3 Correcting Sample to Dry Net Weight—Absorption of
divided by lot numbers, one twentieth of the total number of
moisture by the material would depress the analytical percent-
bags constituting the shipment shall be selected and treated as
ages with respect to the dry basis, on which the product was
analyzed when packaged. Accordingly, any analytical sample
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
shall be dried at 110°C, before analysis, and the sampler’s
Stainless Steel, and RelatedAlloys and is the direct responsibility of Subcommittee
moist net weight of the shipment, of a manufacturing lot, or of
A01.18 on Castings.
any constituent package shall be appropriately corrected to the
Current edition approved May 1, 2004. Published May 2004. Originally
approved in 1932. Last previous edition approved in 1964 as A146 – 64 (2000). corresponding dry weight, thus leading to the proper weight of
Replaces A146 – 63 T. DOI: 10.1520/A0146-04.
contained molybdenum.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
6. Keywords
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. 6.1 molybdenum; molybdenum oxide
*ASummary of Changes section appears at the end of this standard.
Copy
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: A 146 – 04
Standard Specification for
1
Molybdenum Oxide Products
This standard is issued under the fixed designation A 146; 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.
1. Scope*
1.1 This specification covers four grades of molybdenum oxide, designated as A, B1, B2, and molybdic oxide briquets.
1.2 The values stated in inch-pound units are to be regarded as the standard.
2. Referenced Documents
2
2.1 ASTM Standards:
A 1025 Specification for Ferroalloys, General Requirements
3. General Conditions for Delivery
3.1 Materials furnished to this specification shall conform to the requirements of Specification A 1025, including any
supplementary requirements that are indicated in the purchase order. Failure to comply with the general requirements of
Specification A 1025 constitutes nonconformance with this specification. In case of conflict between the requirements of this
specification and Specification A 1025, this specification shall prevail.
4. Chemical Requirements
4.1 The various grades shall conform to the requirements as to chemical composition specified in Table 1.
4.2 The manufacturer shall furnish an analysis of each shipment showing the percentage of each element specified.
5. Sampling
5.1 SamplingSmallBags—When packed in the standardized small packages, each holding contained molybdenum, the material
shall be sampled by selecting at random one twentieth of the bags that may bear the same manufacturing lot number, and the
combined content of these bags shall be reduced and analyzed as a separate sample. When a shipment cannot be divided by lot
numbers, one twentieth of the total number of bags constituting the shipment shall be selected and treated as one sample. The
material forming a sample shall be crushed if necessary, and in any event passed through a No. 10 (2.00-mm) sieve. The sample
after sieving shall be thoroughly mixed by coning and then reduced to about 2 lb (0.9 kg) by quartering or by means of a riffle
sampler. The reduced sample shall then be crushed and passed through a No. 60 (250-µm) sieve. The sample after sieving shall
again be mixed by coning and then divided through a riffle, preferably a Jones divider, into the required number of analytical
samples.
5.2 Sampling Large Containers—When packed in drums or large bags or cartons, the material shall be sampled by selecting
about one twentieth of the content of each package that may bear the same manufacturing lot number, and the combined material
selected shall be reduced and analyzed as a separate sample. When a shipment cannot be divided by lot numbers, about one
twentieth of the content of each package in the shipment shall be selected, and the combined material selected shall be treated as
one sample.The material comprising a sample shall be thoroughly mixed by coning and reduced by half-shoveling, alternating the
operations until the residual weight reaches about 40 lb (18.1 kg). Segregation of sizes shall be carefully avoided. The sample thus
reduced shall be crushed, if necessary, to pass through a No. 10 (2.00-mm) sieve, and the subsequent sampling procedure shall be
as prescribed in 5.1 .
5.3 Correcting Sample to Dry Net Weight—Absorption of moisture by the material would depress the analytical percentages
with respect to the dry basis, on which the product was analyzed when packaged.Accordingly, any analytical sample shall be dried
at110°C,beforeanalysis,andthesampler’smoistnetweightoftheshipment,ofamanufacturinglot,orofanyconstituentpackage
shall be appropriately corrected to the corresponding dry weight, thus leading to the proper weight of contained molybdenum.
1
This specification is under the jurisdiction ofASTM CommitteeA01 on Steel, Stainless Steel, and RelatedAlloys and is the direct responsibility of SubcommitteeA01.18
on Castings.
Current edition approved May 1, 2004. Published May 2004. Originally approved in 1932. Last previous edition approved in 1964 as A 146 – 64 (2000). Replaces
A146–63T.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. ForAnnualBookofASTMStandards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*ASummary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Ba
...

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1.1 This specification covers UNS N06002, UNS N06030, UNS N06035, UNS N06022, UNS N06200, UNS N10362, UNS N06230, UNS N06600, UNS N06617, UNS N06625, UNS N08020, UNS N08026, UNS N08024, UNS N08120, UNS N08926, UNS N08367, UNS N10242, UNS N10276, UNS N10665, UNS N10675, UNS N12160, UNS R20033, UNS N06059, UNS N06686, UNS N10629, UNS N08031, UNS N06045, UNS N06025, UNS N06699, and UNS R305562 billets and bars for reforging.  
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental practices, and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

  • Technical specification
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    English language
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  • Technical specification
    5 pages
    English language
    sale 15% off