ASTM A636-76(2004)
(Specification)Standard Specification for Nickel Oxide Sinter
Standard Specification for Nickel Oxide Sinter
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 The values stated in inch-pound units are to be regarded as the standard. The SI equivalents of inch-pound units may be approximate.
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Designation: A 636 – 76 (Reapproved 2004)
Standard Specification for
1
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.
2. Referenced Documents
2
2.1 ASTM Standards:
5. Size
E 29 Practice for Using Significant Digits in Test Data to
5.1 Nickel oxide sinter is available in containers packed to
Determine Conformance with Specifications
either 50 lb or 22.5 kg of nickel contained, larger uniform
3
E 39 Methods for Chemical Analysis of Nickel
weight containers packed to either pound or kilogram weights
or in bulk shipment using suitable rail, truck, or shipboard
3. Ordering Information
means of conveyance.
3.1 Orders for materials under this specification shall in-
clude the following information:
6. Sampling for Chemical Analysis
3.1.1 Name of material—nickel oxide sinter,
6.1 The material shall be sampled in accordance with
3.1.2 ASTM designation and year of issue, and
procedures outlined below:
3.1.3 Grade.
6.1.1 The sample shall be taken by cutting across the entire
3.2 Although nickel oxide sinter may be ordered either by
stream at regular intervals during the time of movement of the
total net weight or contained weight, the customary basis for
mass being sampled. The quantity to be taken at each interval
payment is per pound of contained nickel.
and the number of such intervals shall be so proportioned that
the total quantity taken shall amount to not less than 0.40 % of
4. Chemical Composition
the total material being sampled.
4.1 Nickel oxide sinter shall conform to the requirements as
6.2 Treatment of Sample:
to chemical composition specified in Table 1.
6.2.1 In the case of nickel oxide sinter 75, the sample
4.2 The manufacturer shall furnish an analysis of each
representing each shipment or lot shall be reduced in amount
shipment showing the nickel content.
using a riffle splitter or other suitable mechanical splitter to
4.3 The values shown for cobalt, copper, iron and sulfur are
1000g.This1000-gsampleshallbeplacedinanovenat250°F
expected maximums. Upon request of purchaser, the manufac-
1
(121°C) for ⁄2 h to remove any traces of moisture, and then
turer shall furnish an analysis for any of these elements over a
pulverized to pass an 80-mesh screen using appropriate equip-
period of production mutually agreed upon by manufacturer
ment to avoid sample contamination. Approximately 250 g of
and the purchaser.
this pulverized material shall be split out for copper and sulfur
assays, using a riffle splitter or other suitable mechanical
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
splitter. The unused portion of individual shipment (or lot)
St
...
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 636 – 76 (Reapproved 2004)
Standard Specification for
1
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.
1. 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 The values stated in inch-pound units are to be regarded as the standard. The SI equivalents of inch-pound units may be
approximate.
2. Referenced Documents
2
2.1 ASTM Standards:
E 29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
3
E 39 Methods for Chemical Analysis of Nickel
3. Ordering Information
3.1 Orders for materials under this specification shall include the following information:
3.1.1 Name of material—nickel oxide sinter,
3.1.2 ASTM designation and year of issue, and
3.1.3 Grade.
3.2 Althoughnickeloxidesintermaybeorderedeitherbytotalnetweightorcontainedweight,thecustomarybasisforpayment
is per pound of contained nickel.
4. Chemical Composition
4.1 Nickel oxide sinter 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 nickel content.
4.3 The values shown for cobalt, copper, iron and sulfur are expected maximums. Upon request of purchaser, the manufacturer
shall furnish an analysis for any of these elements over a period of production mutually agreed upon by manufacturer and the
purchaser.
5. Size
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 or in bulk shipment using suitable rail, truck, or shipboard means of
conveyance.
6. Sampling for Chemical Analysis
6.1 The material shall be sampled in accordance with procedures outlined below:
6.1.1 The sample shall be taken by cutting across the entire 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 the total
quantity taken shall amount to not less than 0.40 % of the total material being sampled.
6.2 Treatment of Sample:
6.2.1 In the case of nickel oxide sinter 75, the sample representing each shipment or lot shall be reduced in amount using a riffle
1
splitter or other suitable mechanical splitter 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 then pulverized to pass an 80-mesh screen using appropriate equipment to avoid sample
contamination.Approximately 250 g of this pulverized material shall be split out for copper and sulfur assays, using a riffle splitter
1
This specification is under the jurisdiction ofASTM CommitteeA01 on Steel, Stainless Steel, and RelatedAlloys and is the direct responsibility of SubcommitteeA01.18
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