ISO/DIS 9441

Steel — Determination of niobium content — PAR spectrophotometric method

General information

Current stage: 40.20 Effective date: Oct 21, 2025

Originator: ISO

Owner: ISO/TC 17/SC 1

Type: International Standard

ICS: 77.080.20

Buying

Уколико желите да набавите овај документ обратите се на следећу адресу: prodaja@iss.rs

Scope

The method is applicable to types of steel with niobium contents between 0,005 % (m/m) and 1,3 % (m/m). Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report. Annex A includes additional information on the international co-operative tests. Annex B gives a graphical representation of precision data.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 9441:1988

NOW

PROJECT
ISO/DIS 9441
40.20 DIS ballot initiated: 12 weeks
Oct 21, 2025

Preview

To view the full content, you need to register or to log in to your account by clicking on the "Log in" button