ISO 4404-1:2012 PDF

Name: ISO 4404-1:2012 — Petroleum and related products — Determination of the corrosion resistance of fire-resistant hydraulic fluids — Part 1: Water-containing fluids
SKU: ISO 4404-1:2012
Price: 25 EUR
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Petroleum and related products — Determination of the corrosion resistance of fire-resistant hydraulic fluids — Part 1: Water-containing fluids

Название (английский):

ISO 4404-1:2012

Petroleum and related products — Determination of the corrosion resistance of fire-resistant hydraulic fluids — Part 1: Water-containing fluids

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 15
Дата публикации:: 2 июля 2012 г.
Издание:: ISO IS 4404 edition 2 version 1
ICS:: 75.120

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Описание (английский):

ISO 4404-1:2012 specifies a test method to determine the influence on metals of fire-resistant fluids in categories HFA, HFB and HFC, as classified in ISO 6743-4. ISO 4404-1:2012 evaluates the corrosion protection provided by these fluids towards metal components used in hydraulic systems and installations.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 4404-1:2012 - published by ISO - specifies a laboratory test method to determine the corrosion resistance of fire‑resistant, water‑containing hydraulic fluids (categories HFA, HFB and HFC as classified in ISO 6743-4). The standard evaluates how these fluids influence common hydraulic metals and metal pairings used in hydraulic systems and installations, helping manufacturers, test laboratories and system designers assess compatibility and long‑term corrosion risk.

Key technical topics and requirements

Scope and purpose: Corrosion testing for water‑containing fire‑resistant fluids (HFA, HFB, HFC). A similar approach for non‑aqueous HFD fluids is covered in ISO 4404-2.

Test specimens: Standard test strips (100 × 20 × 1 mm, hole for suspension) of steel, copper, brass, zinc and aluminium (specifications given in Table 1).

Preparation: Mechanical polishing (P120 → P400 → P600), solvent cleaning, desiccation and initial mass measurement to 1 mg.

Test assembly: Single or paired strips suspended in 250 ml of homogenized test fluid in covered beakers; paired strips arranged 1 mm apart.

Controlled conditions: Immersion at 35 °C ± 1 °C for 672 h ± 2 h (28 days).

Observations and measurements:

Visual inspection of strips and fluid (rating tables provided for metal surface effects and fluid changes).
Final mass measurement after specified solvent cleaning sequence (varies by fluid type).

Test water and concentrate handling: Guidance for preparing HFAE/HFAS emulsions or solutions from concentrates; selection of diluent water (Annex A) can affect results.

Reporting: Visual ratings, mass change (+ or −) and test conditions; Annex D provides reporting table format.

Notes: Precision of the method has not been established; safety precautions are required when handling test fluids and solvents.

Practical applications and users

Who uses it:

Hydraulic fluid manufacturers (product qualification)
Independent test laboratories and QA/QC facilities
Hydraulic system designers and maintenance engineers
OEMs and specifiers evaluating fluid/metal compatibility

Why it matters:

Select fluids that minimize corrosion of system components
Inform material choices (e.g., limit zinc contact with HFC fluids; aluminium considerations in specific sectors)
Support maintenance schedules and risk assessment for fire‑resistant hydraulic installations

Related standards

ISO 4404-2 - Determination of corrosion resistance for non‑aqueous (HFD) fluids

ISO 6743-4 - Classification of fire‑resistant hydraulic fluids (HFA, HFB, HFC, HFD)

ISO 20783-1 - Emulsion stability for certain fire‑resistant fluids

ISO 3696, ISO 3819 and others referenced for laboratory materials and water quality

Keywords: ISO 4404-1, fire-resistant hydraulic fluids, corrosion resistance testing, HFA HFB HFC, hydraulic systems, metal corrosion testing, ISO standard.

ISO 4404-1:2012 PDF

Abstract

Похожие стандарты

Overview

Key technical topics and requirements

Practical applications and users

Related standards

Технические детали

SIST EN ISO 6743-4:2015

Lubricants, industrial oils and related products (class L) - Classification - Part 4: Family H (Hydraulic sys…

SIST EN ISO 4404-2:2011

Petroleum and related products - Determination of the corrosion resistance of fire-resistant hydraulic fluids…

SIST EN ISO 20783-1:2011

Petroleum and related products - Determination of emulsion stability of fire-resistant fluids - Part 1: Fluid…

SIST EN ISO 3696:1998

Water for analytical laboratory use - Specification and test methods (ISO 3696:1987)

SIST EN ISO 3819:2016

Laboratory glassware - Beakers (ISO 3819:2015)

SIST EN ISO 4404-1:2012

Petroleum and related products - Determination of the corrosion resistance of fire-resistant hydraulic fluids…