ASTM A449-14(2020)

Podrobné informace

Označení: ASTM A449-14(2020)

Datum vydání: 01.12.2020

Stran: 7

Země: Americká technická norma

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Anotace

This specification2 covers quenched and tempered steel hex cap screws, bolts, and studs having a minimum tensile strength. The fasteners are intended for general engineering use. Type 1 fasteners shall be plain carbon steel, carbon boron steel, alloy steel, or alloy boron steels conforming to the requirements. Type 3 fasteners shall be weathering steel and shall conform to one of the chemical compositions specified. Tensile strength, proof load, hardness tests, and axial tension tests shall be performed to conform with the specified requirements.


Keywords:
bolts, carbon steel, hex cap screws, steel, studs ,, ICS Number Code 21.060.10 (Bolts, screws, studs)