ASTM A636-08(2018)

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

• Status: Published
• Publication Date: 31-Aug-2018
• ICS: 77.150.40 - Nickel and chromium products
• Technical Committee: A01 - Steel, Stainless Steel and Related Alloys
• Drafting Committee: A01.18 - Castings

Relations

• Replaces: ASTM A636-08(2013) - Standard Specification for Nickel Oxide Sinter
• Effective Date: 01-Sep-2018
• Refers: ASTM A1025/A1025M-10(2015) - Standard Specification for Ferroalloys and Other Alloying Materials, General Requirements
• Effective Date: 01-Nov-2015
• Refers: ASTM A1025/A1025M-10 - Standard Specification for Ferroalloys, General Requirements
• Effective Date: 01-Oct-2010
• Referred By: ASTM A1025/A1025M-10(2020) - Standard Specification for Ferroalloys and Other Alloying Materials, General Requirements
• Effective Date: 01-Sep-2018

Overview

ASTM A636-08(2018) is the standard specification developed by ASTM International for Nickel Oxide Sinter, specifically Grade 75. This standard outlines requirements for nickel oxide sinter used in the alloying processes for iron and steel melting. It specifies strict chemical composition limits and details the recommended sampling and analytical procedures necessary to ensure consistent quality and performance. ASTM A636-08(2018) supports critical industries by promoting product uniformity, reliability, and international compatibility in alloy production.

Key Topics

Chemical Composition Requirements

• Grade 75 Nickel Oxide Sinter covered by this standard must meet these composition limits:
  • Nickel: minimum 75.00%
  • Cobalt: maximum 1.30%
  • Copper: maximum 0.90%
  • Iron: maximum 0.50%
  • Sulfur: maximum 0.02%

Sampling and Analysis Procedures

• Specifies detailed sampling techniques to ensure representative material selection for chemical analysis.
• Recommends that samples are drawn at intervals, comprising at least 0.40% of the total material.
• Samples are dried and pulverized to pass an 80-mesh screen, partitioned for accurate analysis of copper, sulfur, and nickel content.
• Individual samples within specification limits may be composited for batch assessment.

Compliance and Quality Assurance

• Materials must also comply with ASTM A1025/A1025M for general alloying materials requirements.
• In cases of discrepancy, ASTM A636-08(2018) takes precedence for nickel oxide sinter.
• Emphasis on adherence to international practices per guidelines from the WTO Technical Barriers to Trade (TBT) Committee.

Applications

Nickel oxide sinter refined to ASTM A636-08(2018) standards is primarily used as an alloying addition in iron and steel melting. Key application areas include:

• Steel Production: Introduces nickel into steel, enhancing corrosion resistance, toughness, and strength, critical for construction, automotive, and infrastructure sectors.
• Foundry and Metallurgy: Supports manufacturing of specialty steel grades and alloys requiring uniform nickel addition.
• Quality Control in Alloy Production: Ensures reliable batch-to-batch consistency by dictating sampling, analysis, and chemical content.

By adhering to ASTM A636-08(2018), manufacturers and end users can ensure traceability, product quality, and compatibility across international supply chains, fulfilling both technical and regulatory requirements for high-performance alloy production.

Related Standards

For comprehensive alloying material specification and management, consider the following associated standards:

• ASTM A1025/A1025M – General requirements for ferroalloys and other alloying materials, referenced within ASTM A636 for additional delivery and compliance guidance.
• ISO Standards for Nickel Products – For harmonized global practices in nickel raw material assessment.
• ASTM Standards for Steel, Stainless Steel, and Related Alloys – Broader material property and process guidelines relevant to nickel-alloyed steel production.

Keywords: Nickel Oxide Sinter, ASTM A636, Grade 75, Alloying Material, Iron Melting, Steel Melting, Chemical Composition, Sampling, Metallurgy Standards

By following ASTM A636-08(2018), organizations help ensure robust quality control, optimize alloy performance, and maintain global trade compliance in nickel oxide sinter applications.

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
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