ASTM A636-08(2018)
(Specification)Standard Specification for Nickel Oxide Sinter
Standard Specification for Nickel Oxide Sinter
ABSTRACT
This specifications covers standards for Grade 75 nickel oxide sinter to be used for alloying in iron and steel melting. The material shall adhere to specified nickel, cobalt, copper, iron, and sulfur contents. Guidelines for sampling and treatment of materials for chemical analysis are given.
SCOPE
1.1 This specification covers one grade of nickel oxide sinter, designated as 75, used for alloying in iron and steel melting.
1.2 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.
General Information
Relations
Standards Content (Sample)
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.
Designation:A636 −08 (Reapproved 2018)
Standard Specification for
Nickel Oxide Sinter
This standard is issued under the fixed designation A636; 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. Chemical Requirements
1.1 This specification covers one grade of nickel oxide
4.1 The chemical requirements are shown in Table 1.
sinter, designated as 75, used for alloying in iron and steel
melting.
5. Sampling for Chemical Analysis
1.2 This international standard was developed in accor-
5.1 The material shall be sampled in accordance with
dance with internationally recognized principles on standard-
procedures outlined below:
ization established in the Decision on Principles for the
5.1.1 The sample shall be taken by cutting across the entire
Development of International Standards, Guides and Recom-
stream at regular intervals during the time of movement of the
mendations issued by the World Trade Organization Technical
mass being sampled. The quantity to be taken at each interval
Barriers to Trade (TBT) Committee.
and the number of such intervals shall be so proportioned that
the total quantity taken shall amount to not less than 0.40 % of
2. Referenced Documents
the total material being sampled.
2.1 ASTM Standards:
5.2 Treatment of Sample:
A1025/A1025M Specification for Ferroalloys and Other Al-
loying Materials, General Requirements
5.2.1 In the case of nickel oxide sinter 75, the sample
representing each shipment or lot shall be reduced in amount
3. General Conditions for Delivery
using a riffle splitter or other suitable mechanical splitter to
3.1 Materials furnished to this specification shall conform to 1000 g. This 1000-g sample shall be placed in an oven at
250 °F [121 °C] for ⁄2 h to remove any traces of moisture, and
the requirements of Specification A1025/A1025M, including
any supplementary requirements that are indicated in the then pulverized to pass an 80-mesh screen, using appropriate
purchase order. Failure to comply with the general require- equipment to avoid sample contamination. Approximately
ments of Specification A1025/A1025M constitutes nonconfor- 250 g of this pulverized material shall be split out for copper
mance with this specification. In case of conflict between the and sulfur assays, using a riffle splitter or other suitable
requirements of this specification and Specification A1025/ mechanical splitter. The unused portion of individua
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.