ISO 5940-1:2019

Carbonaceous materials for the production of aluminium — Pitch for electrodes — Part 1: Determination of softening point by the ring-and-ball method

Publication date: 3 tet 2019

General information

Current stage: 90.93 Effective date: 20 mar 2025

Originator: ISO

Owner: ISO/TC 226

Type: International Standard

ICS: 71.100.10

Gjuha: anglisht

Buying

Statusi: Publikuar

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Scope

This document specifies the ring-and-ball method, a method of using the ring-and-ball apparatus for the determination of the softening point (softening temperature) of pitch used in the production of aluminium.
The method is applicable to pitches having softening points equal to or greater than 30 °C.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 5940:1981

NOW

PUBLISHED
ISO 5940-1:2019
90.93 Standard confirmed
20 mar 2025

National adoptions

SSH ISO 5940-1:2019

DPS

Materialet karbonike për prodhimin e aluminit - Katrani për elektroda - Pjesa 1: Përcaktimi i pikës së zbutjes me metodën me unazë dhe top

60.60 Standard published

DPS/KT 47 më tepër