SIST EN ISO 204:2023 PDF

Name: SIST EN ISO 204:2023 — Metallic materials - Uniaxial creep testing in tension - Method of test (ISO 204:2023)
SKU: SIST EN ISO 204:2023
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Metallic materials - Uniaxial creep testing in tension - Method of test (ISO 204:2023)

Название (английский):

SIST EN ISO 204:2023

Metallic materials - Uniaxial creep testing in tension - Method of test (ISO 204:2023)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 57
Дата публикации:: 26 сентября 2023 г.
Издание:: ISO 204:2023
ICS:: 77.040.10

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Описание (английский):

This document specifies the methods for: a) uninterrupted creep tests with continuous monitoring of extension; b) interrupted creep tests with periodic measurement of elongation; c) stress rupture tests where normally only the time to fracture is measured; d) a test to verify that a predetermined time can be exceeded under a given force, with the elongation or extension not necessarily being reported. NOTE A creep test can be continued until fracture has occurred or it can be stopped before fracture.

Abstract

Похожие стандарты

Упомянутые в описании и другие стандарты SIST

Overview - EN ISO 204:2023 (Uniaxial creep testing in tension)

EN ISO 204:2023 (ISO 204:2023) is the CEN-endorsed international standard that defines the method of test for uniaxial creep testing in tension of metallic materials. It specifies procedures for continuous and interrupted creep tests, stress-rupture tests, and verification tests to confirm that a material can exceed a predetermined time under a given force. The document replaces EN ISO 204:2018 and is prepared by ISO/TC 164 in collaboration with CEN/TC 459/SC 1.

Key topics and technical requirements

Test types covered

Uninterrupted creep tests with continuous extension monitoring
Interrupted creep tests with periodic elongation measurement
Stress-rupture tests (time to fracture)
Verification tests where time-to-exceed is checked

Apparatus and measurement

Requirements for testing machines and load application
Extension and elongation measuring devices (gauge/extension systems)
Heating devices, temperature measurement and thermocouple guidance
Calibration and permissible temperature deviations

Test pieces and preparation

Shape, dimensions and marking of smooth and notched test pieces (including circumferential V and blunt/Bridgman notches)
Determination of original cross-sectional area and reference/gauge length

Test procedure and data recording

Heating, application of force, planned/accidental interruptions
Recording of temperature and elongation/extension; generation of elongation‑time or extension‑time curves

Results, validity and uncertainty

Determination and expression of results, test validity criteria
Guidance on estimating measurement uncertainty (GUM principles) and extrapolation of creep rupture life

Informative and normative annexes

Thermocouple drift and calibration, notched specimen testing methods, uncertainty estimation, representation/extrapolation of results

Practical applications and who uses this standard

EN ISO 204:2023 is essential for organizations involved in high‑temperature performance assessment of metals:

Materials testing laboratories performing creep and stress‑rupture tests

Metallurgists and R&D teams developing creep‑resistant alloys

Component designers and engineers in power generation, petrochemical, aerospace and manufacturing industries who require reliable life‑assessment data

Quality assurance and certification bodies that verify material conformity and long‑term performance

Using this standard ensures consistent, reproducible creep test results for material selection, lifetime prediction and compliance with regulatory or procurement requirements.

Related standards

Supersedes EN ISO 204:2018

Prepared by ISO/TC 164 (Mechanical testing of metals) and linked to CEN/TC 459/SC 1

References the Guide to the Expression of Uncertainty in Measurement (GUM) within its uncertainty annexes

Keywords: EN ISO 204:2023, ISO 204:2023, uniaxial creep testing, metallic materials, creep test, stress rupture, thermocouples, temperature measurement, creep rupture life, mechanical testing of metals.

SIST EN ISO 204:2023 PDF

Abstract

Похожие стандарты

Overview - EN ISO 204:2023 (Uniaxial creep testing in tension)

Key topics and technical requirements

Practical applications and who uses this standard

Related standards

Технические детали

ISO 204:2023

Metallic materials — Uniaxial creep testing in tension — Method of test

ISO 204:2018

Metallic materials — Uniaxial creep testing in tension — Method of test

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