EN ISO 28764:2015 PDF

Vitreous and porcelain enamels - Production of specimens for testing enamels on sheet steel, sheet aluminium and cast iron (ISO 28764:2015)

Название (английский):

EN ISO 28764:2015

Vitreous and porcelain enamels - Production of specimens for testing enamels on sheet steel, sheet aluminium and cast iron (ISO 28764:2015)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 12
Дата публикации:: 18 ноября 2015 г.
Издание:: CEN EN 28764 edition 2 version 1
ICS:: 25.220.50

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Описание (английский):

ISO 28764:2015 specifies a method for the production of specimens suitable for testing vitreous and porcelain enamel coatings. It specifies two different specimens: - specimens taken from production articles; - specially produced specimens. NOTE Only the specially produced specimens can be used when the loss in mass per unit area of the enamel coating is to be determined quantitatively, as specimens cut from enamelled articles can reduce the accuracy of the test method.

Технические детали

Технический комитет: CEN/TC 262 - Metallic and other inorganic coatings
SKU: EN ISO 28764:2015

Abstract

Overview

EN ISO 28764:2015 - "Vitreous and porcelain enamels - Production of specimens for testing enamels on sheet steel, sheet aluminium and cast iron" specifies how to produce test specimens for evaluating vitreous and porcelain enamel coatings. Issued by CEN/ISO in 2015, the standard defines two specimen types (taken from production articles and specially produced specimens), dimensional and substrate requirements, and preparation rules so enamel tests are reliable and reproducible.

Key topics and requirements

Specimen types
- Specimens taken from production articles (must be from normally produced, not reworked, parts).
- Specially produced specimens - required when quantitative determination of enamel mass loss per unit area is needed (production cut specimens can reduce accuracy).
Designation
- Format: Specimen ISO 28764-(substrate) where A = steel, B = cast iron, C = aluminium.
Shape and size
- Circular or square plates with diameter or side length 105 mm ± 5 mm.
- If specimen is to be hung during weighing/enamelling, provide a hole ~2.5 mm diameter with centre 3 mm from the edge/corner.
Substrate requirements
- Steel: enamelling-quality sheet, normally 0.3 mm to 3.0 mm thick (other thicknesses allowed if reported).
- Cast iron: enamelling-quality, plates or cut from bars, minimum 2.5 mm thickness (can be machined if mass exceeds balance capacity).
- Aluminium: enamelling-quality sheet, 2 mm to 3 mm thickness; suitable alloys noted where Mg

Overview

Key topics and requirements

Specimen types
- Specimens taken from production articles (must be from normally produced, not reworked, parts).
- Specially produced specimens - required when quantitative determination of enamel mass loss per unit area is needed (production cut specimens can reduce accuracy).
Designation
- Format: Specimen ISO 28764-(substrate) where A = steel, B = cast iron, C = aluminium.
Shape and size
- Circular or square plates with diameter or side length 105 mm ± 5 mm.
- If specimen is to be hung during weighing/enamelling, provide a hole ~2.5 mm diameter with centre 3 mm from the edge/corner.
Substrate requirements
- Steel: enamelling-quality sheet, normally 0.3 mm to 3.0 mm thick (other thicknesses allowed if reported).
- Cast iron: enamelling-quality, plates or cut from bars, minimum 2.5 mm thickness (can be machined if mass exceeds balance capacity).
- Aluminium: enamelling-quality sheet, 2 mm to 3 mm thickness; suitable alloys noted where Mg

EN ISO 28764:2015 PDF

Технические детали

Abstract

Overview

Key topics and requirements

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Abstract

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