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Norma ASTM A534-17(2022) 1.3.2022 náhled

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ASTM A534-17(2022)

Standard Specification for Carburizing Steels for Anti-Friction Bearings

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NORMA vydána dne 1.3.2022

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Informace o normě:

Označení normy: ASTM A534-17(2022)
Datum vydání normy: 1.3.2022
Kód zboží: NS-1050969
Počet stran: 5
Přibližná hmotnost: 15 g (0.03 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Anotace textu normy ASTM A534-17(2022) :

This specification covers standards for carburizing steels to be used in anti-friction bearings. Materials shall conform to carbon, manganese, phosphorus, sulfur, chromium, nickel, molybdenum, copper, oxygen, and aluminum contents. Materials shall adhere to inclusion ratings set for thin and heavy series. Grain size and hardenability requirements shall be followed. Decarburization and surface imperfections of hot-rolled, cold-finished, or annealed bars and tubes shall not exceed specified limits as measured through microscopical methods.

Keywords:

ICS Number Code 77.140.10 (Heat-treatable steels)

Doplňující informace

1. Scope

1.1?This specification covers the requirements for carburizing bearing-quality steel to be used in the manufacture of anti-friction bearings.

1.2?Supplementary requirements of an optional nature are provided and when desired shall be so stated in the order.

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

A510/A510M-20	Standard Specification for General Requirements for Wire Rods and Coarse Round Wire, Carbon Steel, and Alloy Steel
ISO 683 Part 17:	Ball and Roller Bearing Steels
E1077-14(2021)	Standard Test Methods for Estimating the Depth of Decarburization of Steel Specimens
E1019-18	Standard Test Methods for Determination of Carbon, Sulfur, Nitrogen, and Oxygen in Steel, Iron, Nickel, and Cobalt Alloys by Various Combustion and Inert Gas Fusion Techniques
E381-22	Standard Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings
E112-13(2021)	Standard Test Methods for Determining Average Grain Size
E45-18a(2023)	Standard Test Methods for Determining the Inclusion Content of Steel (Includes all amendments and changes 11/6/2023).
A752-04	Standard Specification for General Requirements for Wire Rods and Coarse Round Wire, Alloy Steel
A751-21	Standard Test Methods and Practices for Chemical Analysis of Steel Products
A29/A29M-23	Standard Specification for General Requirements for Steel Bars, Carbon and Alloy, Hot-Wrought
A255-20a	Standard Test Methods for Determining Hardenability of Steel (Includes all amendments and changes 11/16/2020).
A304-20	Standard Specification for Carbon and Alloy Steel Bars Subject to End-Quench Hardenability Requirements
A519-06	Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing

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