Active standard | Published: 01/04/2025

ASTM B655/B655M-25

Standard Specification for Niobium-Hafnium Alloy Bar and Wire

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Detail information

Designation: ASTM B655/B655M-25

Publication date: 01/04/2025

Pages: 4

Country: American technical standard

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Anotation

This specification covers hafnium alloyed niobium bar, rod, and wire. The material covered by this specification is R04295, a niobium-base alloy containing hafnium and titanium. The alloy shall conform to the required chemical composition for carbon, oxygen, nitrogen, hydrogen, hafnium, titanium, zirconium, tungsten, tantalum, and niobium. Materials in the annealed condition supplied under this specification shall conform to the required mechanical properties such as tensile strength, yield strength, and elongation. The alloy shall undergo the following test methods: room temperature tension test; elevated temperature tension test; and chemical test.

Keywords:
niobium-hafnium alloy bar, niobium-hafnium alloy wire,, ICS Number Code 77.150.99 (Other products of non-ferrous metals)

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