ISO 8496:2013 PDF

Name: ISO 8496:2013 — Metallic materials — Tube — Ring tensile test
SKU: ISO 8496:2013
Price: 25 EUR
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Metallic materials — Tube — Ring tensile test

Название (английский):

ISO 8496:2013

Metallic materials — Tube — Ring tensile test

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 2
Дата публикации:: 5 ноября 2013 г.
Издание:: ISO IS 8496 edition 3 version 1
ICS:: 77.040.10

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Описание (английский):

ISO 8496:2013 specifies a method for a ring tensile test of tubes to reveal surface and internal defects by subjecting the test piece to strain until fracture occurs. This test may also be used to assess the ductility of tubes. The ring tensile test is applicable to tubes having an outside diameter exceeding 150 mm and a wall thickness no greater than 40 mm. The inside diameter shall be greater than 100 mm.

Abstract

Похожие стандарты

Упомянутые в описании и другие стандарты ISO

Overview

ISO 8496:2013 specifies a standardized ring tensile test method for metallic tubes to reveal surface and internal defects and to assess ductility. The test subjects a short ring cut from the tube to circumferential strain until fracture occurs. ISO 8496:2013 is the third edition (revising the 1998 edition) and is maintained by ISO/TC 164 (Mechanical testing of metals), Subcommittee SC 2 (Ductility testing).

Keywords: ISO 8496:2013, ring tensile test, tube tensile test, metallic tubes, ductility test, tube testing

Key topics and technical requirements

Scope / Applicability

Applies to tubes with outside diameter > 150 mm, wall thickness ≤ 40 mm, and inside diameter > 100 mm.

Test principle

A ring cut from the tube is strained in the circumferential direction until fracture.

Test piece

Ring end faces must be perpendicular to the tube axis.
Typical ring width ≈ 15 mm; if wall thickness > 15 mm, ring width may equal thickness.
Ends must be free from burrs; edges may be rounded or chamfered.

Apparatus

Two equal-diameter circular pins with parallel, movable axes.
Pin diameter should be the minimum required for strength and, where possible, at least 3 × wall thickness of the tube.

Procedure

Ambient testing temperature: 10 °C to 35 °C; controlled testing: 23 °C ± 5 °C.
Pins are moved apart at a specified rate until the ring fractures. In cases of dispute, the rate must not exceed 5 mm/s.
Interpretation follows the applicable product standard; if none is specified, the ring passes if expected fracture behavior is observed and no other cracks are visible without magnification.

Test report

When required by product standards, include: reference to ISO 8496, test-piece identification, dimensions, and test result.

Applications

Quality control and acceptance testing for large-diameter metallic tubes used in:

Pressure vessels, pipelines, and structural applications
Oil & gas transmission and refining equipment
Heavy fabrication where tube integrity and ductility are critical

Non-destructive screening for surface and internal defects and comparative ductility assessment during production and inspection.

Related standards

Product-specific tube standards and acceptance criteria (referenced by ISO 8496 for interpretation)

ISO/TC 164 committee publications on mechanical testing of metals and ductility testing

For procurement, testing protocols, or compliance, reference ISO 8496:2013 and consult the relevant product standard for pass/fail criteria.

ISO 8496:2013 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications

Who uses this standard

Related standards

Технические детали

SIST EN ISO 8496:2014

Metallic materials - Tube - Ring tensile test (ISO 8496:2013)

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