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Norma ASTM A295/A295M-14(2020) 1.3.2020 náhled

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ASTM A295/A295M-14(2020)

Standard Specification for High-Carbon Anti-Friction Bearing Steel

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NORMA vydána dne 1.3.2020

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Provedení	PDF - okamžité stažení - 1 606.30 Kč Tištěné - 1 606.30 Kč
Dostupnost	SKLADEM
Cena	1 606.30 Kč bez DPH
1 606.30 Kč

Informace o normě:

Označení normy: ASTM A295/A295M-14(2020)
Datum vydání normy: 1.3.2020
Kód zboží: NS-988543
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 A295/A295M-14(2020) :

This specification covers high-carbon bearing-quality steel to be used in the manufacture of anti-friction bearings. Materials shall conform to chemical compositions as specified herein, and to physical size and shape as agreed upon between the manufacturer and purchaser. Steels shall exhibit fine fracture grain size when quenched from normal austenitizing temperatures. Decarburization and surface imperfections shall not exceed the limits also specified herein. When annealing is specified in the order, the steel shall adhere to hardness requirements and have a completely spheroidized microstructure, which shall accordingly be rated and reported as carbide size, carbide network, and lamellar content.

Keywords:

ICS Number Code 77.140.10 (Heat-treatable steels)

Doplňující informace

1. Scope

1.1 This specification covers high-carbon 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 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.

1.4 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

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
A751-21	Standard Test Methods and Practices for Chemical Analysis of Steel Products
A370-23	Standard Test Methods and Definitions for Mechanical Testing of Steel Products
A29/A29M-23	Standard Specification for General Requirements for Steel Bars, Carbon and Alloy, Hot-Wrought
E1077-14(2021)	Standard Test Methods for Estimating the Depth of Decarburization of Steel Specimens
ISO 683, Part 17	Ball and Roller Bearing Steels
E45-18a(2023)	Standard Test Methods for Determining the Inclusion Content of Steel (Includes all amendments and changes 11/6/2023).
A892-09(2020)	Standard Guide for Defining and Rating the Microstructure of High Carbon Bearing Steels

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