ISO 14654:1999 PDF

Epoxy-coated steel for the reinforcement of concrete

Название (английский):

ISO 14654:1999

Epoxy-coated steel for the reinforcement of concrete

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 30
Дата публикации:: 9 декабря 1999 г.
Издание:: ISO IS 14654 edition 1 version 1
ICS:: 77.140.15

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Описание (английский):

This International Standard specifies requirements for fusion-bonded epoxy-coated post-fabricated and prefabricated steel bar, wire and welded fabric for the reinforcement of concrete. This International Standard permits the application of either flexible (type A) or nonflexible (type B) coatings. Steel reinforcing bar, wire and welded fabric coated with a nonflexible (type B) coating shall not be fabricated after coating.

Технические детали

Технический комитет: ISO/TC 17/SC 16 - Steels for the reinforcement and prestressing of concrete
SKU: ISO 14654:1999

Abstract

Overview

ISO 14654:1999 specifies requirements for fusion‑bonded epoxy‑coated steel used as reinforcement in concrete - including post‑fabricated and pre‑fabricated bars, wire and welded fabric. The standard covers materials, surface preparation, powder application, coating properties, permissible damage/repair, testing and manufacturer documentation. It permits flexible (Type A) and non‑flexible (Type B) epoxy coatings (Type B must not be fabricated after coating).

Key topics and technical requirements

Coating type: Fusion‑bonded epoxy powder coatings classified as Type A (flexible) or Type B (non‑flexible); Type B cannot be bent/fabricated after coating.
Coating thickness: Finished cured coating thickness 170–300 µm (repair areas excepted).
Surface preparation: Abrasive blast cleaning (steel grit, Rockwell C ≥55 recommended); residual mill scale ≤ 5%; target anchor profile R_a ≈ 50–70 µm.
Application timing: Powder applied soon after surface preparation to avoid visible rust; environmental limits (high relative humidity restricts coating operations).
Coating continuity: Maximum of 4 holidays per linear metre for bars/wire (stricter limits for short pieces and welded fabric intersections).
Adhesion and durability: Adhesion evaluated by cathodic disbondment and salt spray testing (manufacturer should demonstrate disbondment radius

Overview

Key topics and technical requirements

Coating type: Fusion‑bonded epoxy powder coatings classified as Type A (flexible) or Type B (non‑flexible); Type B cannot be bent/fabricated after coating.
Coating thickness: Finished cured coating thickness 170–300 µm (repair areas excepted).
Surface preparation: Abrasive blast cleaning (steel grit, Rockwell C ≥55 recommended); residual mill scale ≤ 5%; target anchor profile R_a ≈ 50–70 µm.
Application timing: Powder applied soon after surface preparation to avoid visible rust; environmental limits (high relative humidity restricts coating operations).
Coating continuity: Maximum of 4 holidays per linear metre for bars/wire (stricter limits for short pieces and welded fabric intersections).
Adhesion and durability: Adhesion evaluated by cathodic disbondment and salt spray testing (manufacturer should demonstrate disbondment radius

ISO 14654:1999 PDF

Технические детали

Abstract

Overview

Key topics and technical requirements

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Abstract

Overview

Key topics and technical requirements

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