EN ISO 1893:2008 PDF

Name: EN ISO 1893:2008 — Refractory products - Determination of refractoriness under load - Differential method with rising temperature (ISO 1893:2007)
SKU: EN ISO 1893:2008
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Refractory products - Determination of refractoriness under load - Differential method with rising temperature (ISO 1893:2007)

Название (английский):

EN ISO 1893:2008

Refractory products - Determination of refractoriness under load - Differential method with rising temperature (ISO 1893:2007)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 19
Дата публикации:: 4 июня 2008 г.
Издание:: CEN EN 1893 edition 2 version 1
ICS:: 81.080

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Описание (английский):

ISO 1893:2007 specifies a method for determining the deformation of dense and insulating shaped refractory products, when subjected to a constant load under conditions of progressively rising temperature (or refractoriness under load), by a differential method. The test may be carried out up to a maximum temperature of 1700 °C.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 1893:2008 (ISO 1893:2007) specifies a standardized laboratory method for determining the refractoriness under load of dense and insulating shaped refractory products. Using a differential method with rising temperature, the test measures deformation of a cylindrical test piece under a constant compressive load while the temperature is progressively increased (test temperatures up to 1 700 °C). This European adoption by CEN supersedes EN 993-8:1997 and is intended for reproducible assessment of behaviour of refractories under combined effects of load, time and rising temperature.

Key topics and technical requirements

Principle: A cylindrical specimen is loaded with a specified constant compressive load; deformation is recorded as temperature rises and temperatures for specified proportional deformations are determined.

Maximum test temperature: up to 1700 °C.

Apparatus essentials:

Loading device with fixed and moving columns (≥45 mm external diameter).
Two refractory discs (5–10 mm thick, ≥50.5 mm diameter) between columns and specimen.
Measuring device (dilatometer) using inner and outer alumina tubes to transmit displacement to an instrument (dial gauge or length transducer).
Measuring sensitivity: at least 0.005 mm.
Thermocouples: central thermocouple at mid-point of specimen and control thermocouple for furnace regulation (referenced to IEC 60584).

Furnace requirements: vertical axis furnace capable of specified heating rate; temperature uniformity around the specimen (above 500 °C) within ±20 °C.

Test procedure and reporting: specimen preparation, controlled heating rate, continuous deformation recording, calculation of results (temperatures corresponding to proportional subsidence), and a standardized test report.

Normative references: ISO 3599 (callipers), IEC 60584‑1/2 (thermocouples).

Applications and who uses this standard

Quality control and acceptance testing of shaped refractories used in steel, cement, glass, petrochemical and high-temperature industrial furnaces.

Product development and comparative R&D to assess high‑temperature deformation under load.

Materials engineers, refractory manufacturers, independent testing laboratories, certification bodies and plant operators who specify or validate refractory performance under service-like thermal and mechanical stress.

Related standards

ISO 3599 - precision vernier callipers (measurement equipment)

IEC 60584-1 / IEC 60584-2 - thermocouple reference tables and tolerances

Superseded: EN 993-8:1997

EN ISO 1893:2008 is a practical, reproducible method for assessing the refractoriness under load of shaped refractory products, helping manufacturers and end-users ensure material selection and performance for high‑temperature service.

EN ISO 1893:2008 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and who uses this standard

Related standards

Технические детали

ISO 1893:2007

Refractory products — Determination of refractoriness under load — Differential method with rising temperature

IEC 60584-3:2021

Thermocouples - Part 3: Extension and compensating cables - Tolerances and identification system

ISO 3599:1976

Vernier callipers reading to 0,1 and 0,05 mm

IEC 60584-1:2013

Thermocouples - Part 1: EMF specifications and tolerances