25.200 - Heat treatment
ICS 25.200 Details
Heat treatment
Warmebehandlung
Traitement thermique
Toplotna obdelava
General Information
Frequently Asked Questions
ICS 25.200 is a classification code in the International Classification for Standards (ICS) system. It covers "Heat treatment". The ICS is a hierarchical classification system used to organize international, regional, and national standards, facilitating the search and identification of standards across different fields.
There are 42 standards classified under ICS 25.200 (Heat treatment). These standards are published by international and regional standardization bodies including ISO, IEC, CEN, CENELEC, and ETSI.
The International Classification for Standards (ICS) is a hierarchical classification system maintained by ISO to organize standards and related documents. It uses a three-level structure with field (2 digits), group (3 digits), and sub-group (2 digits) codes. The ICS helps users find standards by subject area and enables statistical analysis of standards development activities.
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This document establishes temper designations as required for identification for all product forms of wrought aluminium and aluminium alloys.
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This document defines the quality requirements and recommendations applicable to heat treatment on mechanical parts intended to be used in the industry (e.g. car manufacturing, aerospace, pipeline systems, civil engineering equipment, earth moving machinery, agricultural equipment, naval industry, energy equipment, tooling, fasteners). This document provides a reference for quality audit and for the inspection of heat-treatment facilities, whether these are integrated or belonging to subprime contractors. This document can also be used as a basis for discussion and development of specifications. A description of the equipment calibration and the frequency of the controls is given in Annex A. An example of scoring table is given in Annex B. An example of audit report is given in Annex C. The different measuring chain testing methods (SAT) are presented in Annex D.
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SIGNIFICANCE AND USE
4.1 Furnaces for heat treatment of steel products are used in many industries, in many ways. Regardless of heat treat furnace type, or processing cycle, it may be necessary for users to know the temperature uniformity in the furnace and whether the material is processed in a zone within the furnace that is capable of meeting the applicable permissible temperature variation requirements.
4.2 The procedures in this test method may be used by those using, manufacturing, and providing calibration service for, heat treat furnaces used to process steel products.
SCOPE
1.1 This test method covers the procedures used to conduct a temperature uniformity survey on a furnace used to heat treat steel products. This method is used to determine the capability of the furnace to meet the permissible temperature variation specified in the applicable product specification, or as agreed to by the purchaser and supplier of heat treat services. Survey documentation requirements, and the procedure used to subsequently establish the furnace working zone, are defined in this test method.
1.2 This test method covers heat treat furnaces in any of the following categories:
1.2.1 Continuous or semi-continuous conveyance furnaces,
1.2.2 Batch furnaces, and
1.2.3 Salt or liquid baths and fluidized beds.
1.3 This test method only applies when specified in the product specification or the purchase order.
1.4 Controlling a heat treatment of steel products using thermocouples attached to the extremities of each load is an alternative to performing a furnace survey. The producer shall adhere to Annex A1.
1.5 By mutual agreement between the purchaser and the supplier of heat treat services, more stringent and/or additional requirements may be specified. The acceptance of any such additional requirements shall be dependent on negotiations with the supplier and must be included in the order as agreed upon by the purchaser and supplier.
1.6 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.7 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 establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
1.8 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.
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ABSTRACT
This practice is intended for use in the heat treatment of wrought aluminum alloys for general purpose applications. Aluminum alloys are typically heated in air chamber furnaces or molten salt baths. Though lead baths, oil baths, or fluidized beds may be used, uncontrolled heating is not permitted. The furnace temperature uniformity and calibration shall conform to the specified requirements. Preparation for heat treatment of alloys shall follow the racking, spacing, and cleanliness requirements. Solution heat treatment shall follow the recommended soaking times and quenching procedures. Precipitation heat treatment shall conform to the prescribed times, temperatures, and annealing procedures. The alloys shall be subjected to tensile testing, eutectic melting and heat-treat-induced porosity analysis, intergranular corrosion test, and Alclad diffusion test.
SCOPE
1.1 This practice is intended for use in the heat treatment of wrought aluminum alloys for general purpose applications.
1.1.1 The heat treatment of wrought aluminum alloys used in specific aerospace applications is covered in AMS2772.
1.1.2 Heat treatment of aluminum alloy castings for general purpose applications is covered in Practice B917/B917M.
1.2 Times and temperatures appearing in the heat-treatment tables are typical for various forms, sizes, and manufacturing methods and may not provide the optimum heat treatment for a specific item.
1.3 Some alloys in the 6xxx series may achieve the T4 temper by quenching from within the solution temperature range during or immediately following a hot working process, such as upon emerging from an extrusion die. Such alternatives to furnace heating and immersion quenching are indicated in Table 1, by footnote L, for heat treatment of wrought aluminum alloys. However, this practice does not cover the requirements for a controlled extrusion press or hot rolling mill solution heat treatment; it only covers the requirements of artificial aging, annealing and associated pyrometry of those processes for products solution heat treated in accordance with Practices B807/B807M and B947. (Refer to Practice B807/B807M for extrusion press solution heat treatment of aluminum alloys and to Practice B947 for hot rolling mill solution heat treatment of aluminum alloys and associated pyrometry.)
1.4 Units—The values stated in either Metric or US Customary units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.5 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 establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.6 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.
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ABSTRACT
This practice covers the requirements for the heat treatment of aluminum alloy castings from any casting process such as investment casting, permanent mould casting, sand casting, and others. It excludes castings that are used in specific aerospace applications or those made from wrought aluminum alloys. The aluminum alloys should be subjected to controlled heat treatment using the usual air chamber furnace or other heating media like lead baths, oil baths, fluidized beds, or even superheated steam. Air chambers may be oil or gas fired or may also be electrically heated but the atmosphere inside each should be controlled to prevent porosity. Quenching is normally performed by immersing castings in a hot-water bath. It is important that the furnace be calibrated before it is used initially and after any change in the furnace. Likewise, temperature-measurement systems should be regularly checked for accuracy.
SCOPE
1.1 This practice covers, when specified by material specification or purchase order, the heat treatment of aluminum alloy castings from all casting processes.
1.1.1 The heat treatment of aluminum alloy castings used in specific aerospace applications is covered in AMS 2771 and specific AMS material specifications.
1.1.2 The heat treatment of wrought aluminum alloys is covered in Practice B918/B918M.
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.
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 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.
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ISO 4885:2018 defines important terms used in the heat treatment of ferrous materials.
NOTE The term ferrous materials include products and workpieces of steel and cast iron.
Annex A provides an alphabetical list of terms defined in this document, as well as their equivalents in French, German, Chinese and Japanese.
Table 1 shows the various iron-carbon (Fe-C) phases.
- Standard48 pagesEnglish languagee-Library read for1 day
ISO 4885:2018 defines important terms used in the heat treatment of ferrous materials.
NOTE The term ferrous materials include products and workpieces of steel and cast iron.
Annex A provides an alphabetical list of terms defined in this document, as well as their equivalents in French, German, Chinese and Japanese.
Table 1 shows the various iron-carbon (Fe-C) phases.
- Standard48 pagesEnglish languagee-Library read for1 day
ISO 4885:2018 defines important terms used in the heat treatment of ferrous materials. NOTE The term ferrous materials include products and workpieces of steel and cast iron. Annex A provides an alphabetical list of terms defined in this document, as well as their equivalents in French, German, Chinese and Japanese. Table 1 shows the various iron-carbon (Fe-C) phases.
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ISO 15787:2016 specifies the manner of presenting and indicating the final condition of heat‐treated ferrous parts in technical drawings.
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- Standard34 pagesFrench languagesale 15% off
This European Standard covers the general requirements for heat treatment facilities processing semi-finished products and parts in metallic aerospace materials.
It defines the terms used herein and describes the test procedures and requirements for mandatory tests of heat treatment facilities. It also serves as an aid in the surveillance and approval of heat treatment facilities.
This standard applies to all types of heat treatment facilities, including those using direct or indirect heat transfer and liquid or gaseous heating media, with our without circulation, and to vacuum furnaces.
- Standard14 pagesEnglish languagee-Library read for1 day
This European Standard covers the general requirements for heat treatment facilities processing semi-finished products and parts in metallic aerospace materials.
It defines the terms used herein and describes the test procedures and requirements for mandatory tests of heat treatment facilities. It also serves as an aid in the surveillance and approval of heat treatment facilities.
This standard applies to all types of heat treatment facilities, including those using direct or indirect heat transfer and liquid or gaseous heating media, with our without circulation, and to vacuum furnaces.
- Standard14 pagesEnglish languagee-Library read for1 day
ISO 4885:2018 defines important terms used in the heat treatment of ferrous materials.
NOTE The term ferrous materials include products and workpieces of steel and cast iron.
Annex A provides an alphabetical list of terms defined in this document, as well as their equivalents in French, German, Chinese and Japanese.
Table 1 shows the various iron-carbon (Fe-C) phases.
- Draft66 pagesEnglish languagee-Library read for1 day
ISO 4885:2018 defines important terms used in the heat treatment of ferrous materials.
NOTE The term ferrous materials include products and workpieces of steel and cast iron.
Annex A provides an alphabetical list of terms defined in this document, as well as their equivalents in French, German, Chinese and Japanese.
Table 1 shows the various iron-carbon (Fe-C) phases.
- Draft66 pagesEnglish languagee-Library read for1 day
ISO 4885:2017 defines important terms used in the heat treatment of ferrous materials.
NOTE The term ferrous materials include products and workpieces of steel and cast iron.
Annex A provides an alphabetical list of terms defined in this document, as well as their equivalents in French, German, Chinese and Japanese.
Table 1 shows the various iron-carbon (Fe-C) phases.
- Standard48 pagesEnglish languagee-Library read for1 day
- Draft53 pagesGerman languagee-Library read for1 day
The purpose of this European Standard is : - to define the terms of the ferrous products heat treatment vocabulary, - to facilitate translations using the tables of equivalent terms
- Standard51 pagesEnglish languagee-Library read for1 day
- Standard58 pagesEnglish languagee-Library read for1 day
- Standard – translation49 pagesSlovenian languagee-Library read for1 day
ISO 4885:2017 defines important terms used in the heat treatment of ferrous materials.
NOTE The term ferrous materials include products and workpieces of steel and cast iron.
Annex A provides an alphabetical list of terms defined in this document, as well as their equivalents in French, German, Chinese and Japanese.
Table 1 shows the various iron-carbon (Fe-C) phases.
- Standard48 pagesEnglish languagee-Library read for1 day
- Draft53 pagesGerman languagee-Library read for1 day
The purpose of this European Standard is : - to define the terms of the ferrous products heat treatment vocabulary, - to facilitate translations using the tables of equivalent terms
- Standard51 pagesEnglish languagee-Library read for1 day
- Standard58 pagesEnglish languagee-Library read for1 day
- Standard – translation49 pagesSlovenian languagee-Library read for1 day
ISO 4885:2017 defines important terms used in the heat treatment of ferrous materials. NOTE The term ferrous materials include products and workpieces of steel and cast iron. Annex A provides an alphabetical list of terms defined in this document, as well as their equivalents in French, German, Chinese and Japanese. Table 1 shows the various iron-carbon (Fe-C) phases.
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ISO 2107:2007 establishes temper designations as required for identification for all product forms of wrought aluminium and aluminium alloys.
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ISO 2107:2004 establishes temper designations as required for identification for all product forms of wrought aluminium and aluminium alloys.
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Defines the terms used in the heat treatment of ferrous products. The vocabulary is divided into a main part and a complementary section. The complementary section contains the definitions of terms necessary to understand the main part.
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The temper designations define the sequence of basic treatments used to produce the tempers. Mechanical properties apply to individual alloy-temper-product combinataions. The temper designation consists of letters and follows the designation of the alloy, and is separated therefrom by a dash.
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