ASTM A144-04(2019) 1.11.2019 | Technická norma

Informace o normě:

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Označení normy: ASTM A144-04(2019)
Datum vydání normy: 1.11.2019
Kód zboží: NS-975148
Počet stran: 2
Přibližná hmotnost: 6 g (0.01 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

Anotace textu normy ASTM A144-04(2019) :

This guide covers standard specification for several grades of ferrotungsten. The material shall conform to the required chemical composition for tungsten, carbon, phosphorus, sulfur, silicon, molybdenum, and aluminum. The material shall also conform to supplementary chemical requirements for manganese, copper, nickel, arsenic, antimony, tin, and bismuth. Various grades of steel shall be available in specified sizes that meet the required size tolerance.

Keywords:

ferroalloy, ferrotungsten,, ICS Number Code 77.120.99 (Other non-ferrous metals and their alloys)

Doplňující informace

1. Scope

1.1 This specification covers four grades of ferrotungsten.

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.

2. Referenced Documents

A1025-05

Standard Specification for Ferroalloys, General Requirements