NACE AMPP Guide 21611-2024 PDF

Full title and description

AMPP (NACE) Guide 21611-2024 — Pulsed Laser Ablation Technical Guide for Ferrous Metal Substrates. A technical guidance document describing the use, capabilities, limitations, equipment, operating parameters, safety and environmental considerations for Q‑switched pulsed laser ablation (PLA) systems used to prepare ferrous metal surfaces for coatings, linings, welding, adhesive bonding, decontamination and related applications.

Abstract

This guide provides owners, specifiers, contractors and inspectors with practical information on portable and stationary Q‑switched pulsed laser ablation systems for surface preparation of ferrous substrates. It compares PLA to other laser types and conventional mechanical/chemical preparation methods, defines suitable applications and contaminants for removal, describes typical equipment and operating parameters, and outlines environmental, health and safety requirements. Several appendices expand on technical interactions between laser and substrate, environmental approval considerations, example equipment/parameters and reference terminology.

General information

• Status: Current (published guide).
• Publication date: August 2024 (Guide 21611-2024).
• Publisher: AMPP / NACE (Association for Materials Protection & Performance / NACE International).
• ICS / categories: Surface preparation, coatings and corrosion control; relates to laser ablation, surface engineering and metal coatings (specific ICS codes not specified in the published product listing).
• Edition / version: 2024 edition (Guide 21611-2024).
• Number of pages: 30 pages.

Scope

Applies to the use of Q‑switched pulsed laser ablation (PLA) systems on ferrous metal substrates (excluding stainless steel) for preparation prior to coating, welding, bonding, decontamination and similar operations. The guide addresses equipment description, appropriate applications and locations, types of coatings/contaminants amenable to PLA removal, advantages and limitations compared with other laser types and traditional surface preparation methods, recommended operating conditions, inspection and acceptance considerations, and environmental, health and safety compliance. Continuous‑wave (CW) laser technologies intended for thermal removal/combustion are outside the scope; other laser types and non‑ferrous substrates are to be covered by separate documents.

Key topics and requirements

• Overview of Q‑switched pulsed laser ablation technology and comparison with CW lasers and traditional mechanical/chemical preparation methods.
• Typical equipment descriptions, configurations (portable and stationary) and functional components.
• Suitability criteria for substrates, coatings and contaminants; limitations and contraindications (e.g., substrates or coatings not suitable for PLA).
• Recommended operating parameters and example ranges (pulse characteristics, energy, repetition rate, scan rates, standoff distances) and illustrative equipment settings.
• Inspection, measurement and acceptance criteria for ablated surfaces (visual, profilometry, adhesive/coating adhesion considerations).
• Health, safety and environmental requirements including dust/fume control, operator protection, permitting and approvals where applicable.
• Practical guidance on process selection, worksite logistics, pre‑ and post‑treatment, and productivity considerations.
• Appendices with explanatory technical background, laser‑coating/substrate interaction detail, environmental approval considerations, and example equipment/operating parameter tables.

Typical use and users

Used by asset owners, coatings and corrosion engineers, specifiers, inspection and quality assurance personnel, surface preparation contractors, welding and adhesive bonding specialists, safety and environmental officers, and researchers evaluating alternative preparation technologies. Typical applications include areas where non‑mechanical cleaning is desirable (confined spaces, delicate geometry, sensitive substrates), selective removal of coatings or contaminants, and projects requiring minimized abrasive waste or reduced blast media use.

Related standards

Closely related to AMPP (NACE) technical documents on laser ablation and surface preparation, notably AMPP SP21511‑1 (Laser Ablation for Metallic Surface Preparation of Ferrous Metals, Pulsed Laser) and the companion visual/reference guide (AMPP Guide 21711) under development. Also sits alongside established surface preparation standards and practices used by specifiers and inspectors (for example SSPC/NACE surface preparation standards and relevant ASTM test and evaluation methods) when defining acceptance criteria and testing procedures.

Keywords

pulsed laser ablation, PLA, Q‑switched laser, surface preparation, ferrous substrates, coatings removal, laser cleaning, surface engineering, adhesion, environmental health and safety, AMPP Guide 21611-2024

FAQ

Q: What is this standard?

A: AMPP Guide 21611-2024 is a technical guidance document describing the use and practical application of Q‑switched pulsed laser ablation systems for preparing ferrous metal surfaces ahead of coating, welding, bonding or decontamination activities.

Q: What does it cover?

A: It covers PLA system types (portable and stationary), suitable applications and contaminants, equipment descriptions, recommended operating parameters and examples, inspection and acceptance considerations, and environmental, health and safety requirements. Continuous‑wave laser methods and non‑ferrous substrates are excluded and addressed elsewhere.

Q: Who typically uses it?

A: Asset owners, coatings and corrosion engineers, specifiers, surface preparation contractors, inspectors and QA personnel, welding and bonding specialists, safety/environmental officers, and researchers evaluating laser cleaning as an alternative to mechanical or chemical methods.

Q: Is it current or superseded?

A: The document was published in 2024 (Guide 21611-2024) and is the current AMPP guidance on pulsed laser ablation for ferrous substrates. At the time of this product summary (reviewed March 2, 2026), no newer superseding edition was identified in public listings.

Q: Is it part of a series?

A: Yes — it is a companion technical guide to AMPP SP21511‑1 (the pulsed laser ablation standard/specification) and is intended to be used alongside other AMPP/NACE guidance and related visual/reference guides (for example the proposed AMPP Guide 21711 visual reference series).

Q: What are the key keywords?

A: Pulsed laser ablation, PLA, Q‑switched laser, surface preparation, ferrous metals, coating removal, laser cleaning, AMPP Guide 21611-2024.