ASTM A636-76(2000)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: A 636 – 76 (Reapproved 2000)
Standard Specification for
Nickel Oxide Sinter
This standard is issued under the fixed designation A 636; 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.
TABLE 1 Chemical Requirements
1. Scope
Composition, %
1.1 This specification covers one grade of nickel oxide
Element
Grade 75
sinter, designated as 75 used for alloying in iron and steel
melting. Nickel, min 75.00
Cobalt, max 1.30
1.2 The values stated in inch-pound units are to be regarded
Copper, max 0.90
as the standard. The SI equivalents of inch-pound units may be
Iron, max 0.50
Sulfur, max 0.02
approximate.
period of production mutually agreed upon by manufacturer
2. Referenced Documents
and the purchaser.
2.1 ASTM Standards:
E 29 Practice for Using Significant Digits in Test Data to
Determine Conformance with Specifications
5. Size
E 39 Test Methods for Chemical Analysis of Nickel
5.1 Nickel oxide sinter is available in containers packed to
either 50 lb or 22.5 kg of nickel contained, larger uniform
weight containers packed to either pound or kilogram weights
3. Ordering Information
or in bulk shipment using suitable rail, truck or shipboard
3.1 Orders for materials under this specification shall in-
means of conveyance.
clude the following information:
3.1.1 Name of material—nickel oxide sinter,
3.1.2 ASTM designation and year of issue, and
6. Sampling for Chemical Analysis
3.1.3 Grade.
6.1 The material shall be sampled in accordance with
3.2 Although nickel oxide sinter may be ordered either by
procedures outlined below:
total net weight or contained weight, the customary basis for
6.1.1 The sample shall be taken by cutting across the entire
payment is per pound of contained nickel.
stream at regular intervals during the time of movement of the
mass being sampled. The quantity to be taken at each interval,
and the number of such intervals shall be so proportioned that
4. Chemical Composition
the total quantity taken shall amount to not less than 0.40 % of
4.1 Nickel oxide sinter shall conform to the requirements as
the total material being sampled.
to chemical composition specified in Table 1.
6.2 Treatment of Sample:
4.2 The manufacturer shall furnish an analysis of each
6.2.1 In the case of nickel oxide sinter 75, the sample
shipment showing the nickel content.
representing each shipment or lot shall be reduced in amount
4.3 The values shown for cobalt, copper, iron and sulfur are
using a riffle splitter or other suitable mechanical splitter to
expected maximums. Upon request of purchaser, the manufac-
1000 g. This 1000-g sample shall be placed in an oven at 250°F
turer shall furnish an analysis for any of these elements over a
(121°C) for ⁄2 h to remove any traces of moisture, and then
pulverized to pass an 80-mesh screen using appropriate equip-
ment to avoid sample contamination. Approximately 250 g of
This specification is under the jurisdiction of ASTM Committee A-1 on Steel,
this pulverized material shall be split out for copper and sulfur
Stainless Steel, and Related Alloys and
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