SIST EN ISO 6509-1:2014

Name: SIST EN ISO 6509-1:2014 — Corrosion of metals and alloys - Determination of dezincification resistance of copper alloys with zinc - Part 1: Test method (ISO 6509-1:2014)
SKU: SIST EN ISO 6509-1:2014
Price: 25200 RUB
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Corrosion of metals and alloys - Determination of dezincification resistance of copper alloys with zinc - Part 1: Test method (ISO 6509-1:2014)

Название (английский):

Corrosion of metals and alloys - Determination of dezincification resistance of copper alloys with zinc - Part 1: Test method (ISO 6509-1:2014)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 14
Дата публикации:: 11 июня 2014 г.
Издание:: ISO 6509-1:2014
ICS:: 77.060

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Описание (английский):

ISO 6509-1:2014 specifies a method for the determination of dezincification depth of copper alloys with zinc exposed to fresh, saline waters or drinking water. The method is intended for copper alloys with a mass fraction of zinc more than 15 %. ISO 6509-1:2014 describes only the test methodology and does not set out criteria for acceptability of materials for a specific application. Acceptance criteria are described in ISO 6509‑2.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 6509-1:2014 - "Corrosion of metals and alloys - Determination of dezincification resistance of copper alloys with zinc - Part 1: Test method" is a CEN-adopted ISO test method for measuring dezincification depth in copper‑zinc alloys (zinc mass fraction > 15 %) after exposure to fresh water, saline water or drinking water. The standard defines specimen preparation, test solution and exposure conditions, and microscopic measurement procedures. It describes only the test methodology; acceptance criteria are provided in ISO 6509‑2.

Key topics and technical requirements

Scope: Applies to copper alloys with >15 % zinc exposed to potable, fresh or saline waters.

Test principle: Immersion in a copper(II) chloride solution followed by microscopic examination of cross‑sections to measure dezincification depth.

Reagents & materials:

Copper(II) chloride 1 % solution (preparation details given).
Deionized water (conductivity ≤ 20 µS/cm at 25 °C).
Non‑conductive embedding material (e.g., phenolic resin) and suitable solvents for cleaning.

Apparatus & conditions:

Thermostatically controlled environment maintaining 75 °C ± 5 °C during exposure.
Glass beaker sealed with non‑metallic cover; specimens positioned vertically and elevated above the beaker bottom.

Specimen preparation:

Embedded and ground test surfaces finished with 500‑grade abrasive paper or finer; selection of specimens from representative product areas (thin/thick sections, extrusion/rolling directions).

Exposure & examination:

Continuous immersion (standard exposure time ~24 h with tolerance specified in the standard).
After exposure, specimens are washed, solvent‑rinsed, sectioned perpendicular to the test surface, polished and examined microscopically.
Record maximum and average dezincification depth; characterize distribution (localized vs. layer dezincification) and phase‑specific attack where relevant.

Practical applications and users

Who uses this standard:

Materials and corrosion testing laboratories performing qualification and quality control tests.
Manufacturers of brass and copper‑zinc components (valves, fittings, plumbing, marine hardware).
Product designers, corrosion engineers and standards bodies specifying material suitability for water applications.

Why it’s useful:

Provides a reproducible laboratory method to quantify dezincification susceptibility, supporting material selection, failure investigation and product development.
When combined with ISO 6509‑2 (acceptance criteria), it supports pass/fail decisions for specific applications.

Related standards

ISO 6509‑2 - Acceptance criteria (companion document).

ISO 8044 - Corrosion of metals and alloys - Basic terms and definitions.

Referenced test practice example: ASTM F21–65 (for solvent‑cleaning efficacy; see standard text).

Keywords: dezincification, copper alloys, corrosion testing, ISO 6509-1:2014, dezincification resistance, copper(II) chloride test, plumbing materials, brass testing.

SIST EN ISO 6509-1:2014

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Practical applications and users

Related standards

Технические детали

ISO 6509-1:2014

Corrosion of metals and alloys — Determination of dezincification resistance of copper alloys with zinc — Par…

BS ISO 6509-2:2017

Corrosion of metals and alloys. Determination of dezincification resistance of copper alloys with zinc - Asse…

SIST EN ISO 8044:2025

Corrosion of metals and alloys - Vocabulary (ISO 8044:2024)