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Norma ASTM A681-08(2022) 1.9.2022 náhľad

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ASTM A681-08(2022)

Standard Specification for Tool Steels Alloy

NORMA vydaná dňa 1.9.2022

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Informácie o norme:

Označenie normy: ASTM A681-08(2022)
Dátum vydania normy: 1.9.2022
Kód tovaru: NS-1071820
Počet strán: 14
Približná hmotnosť: 42 g (0.09 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM

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Anotácia textu normy ASTM A681-08(2022) :

This specification covers the chemical, mechanical, and physical requirements for available wrought alloy tool steel products. The material shall be made by an electric melting process. It shall be made from ingots that have been reduced in cross section in such a manner and to such a degree as to ensure proper refinement of the ingot structure. Chemical composition, hardness, macrostructure and decarburization of the material shall conform to the requirements in accordance to the referenced ASTM documents itemized herein.

Keywords:
alloy, cold work tool steels, decarburization, hardness, hot work tool steels, macrostructure, tool steel,, ICS Number Code 77.140.10 (Heat-treatable steels)

Doplňujúce informácie

1. Scope

1.1?This specification covers the chemical, mechanical, and physical requirements for available wrought alloy tool steel products.

1.2?These products, which include hot or cold finished bar, plate, sheet, strip, rod, wire, or forgings, are normally fabricated into tools, dies, or fixtures. The selection of a material for a particular application will depend upon design, service conditions, and desired properties.

1.3?The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

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.

2. Referenced Documents

A370-23	Standard Test Methods and Definitions for Mechanical Testing of Steel Products
SAE J1086	Recommended Practice for Numbering Metals and Alloys (UNS)
Fed. Std. No. 183	Continuous Identification Marking of Iron and Steel Products
Fed. Std. No. 123	Marking and Shipment (Civil Agencies)
MIL-STD-163
E527-23	Standard Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
E59-93	Practice for Sampling Steel and Iron for Determination of Chemical Composition (Withdrawn 1996)
E30-89	Test Methods for Chemical Analysis of Steel, Cast Iron, Open-Hearth Iron, and Wrought Iron (Withdrawn 1995)
E3-11(2017)	Standard Guide for Preparation of Metallographic Specimens
A700-14(2019)	Standard Guide for Packaging, Marking, and Loading Methods for Steel Products for Shipment
A600-92a(2024)	Standard Specification for Tool Steel High Speed (Includes all amendments and changes 3/14/2024).
A561-08(2020)	Standard Practice for Macroetch Testing of Tool Steel Bars
E45-18a(2023)	Standard Test Methods for Determining the Inclusion Content of Steel (Includes all amendments and changes 11/6/2023).

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