ISO/TS 7352:2023 is a global technical specification for permanent, tamper-resistant metal identification using QR or Data Matrix codes on industrial assets, vessels, and cylinders. This page explains the standard in practical terms and outlines how Posttech designs stainless steel, aluminium, and titanium QR tags to align with its durability and traceability goals.
ISO/TS 7352:2023 specifies good practices for using metal plates with machine-readable QR or Data Matrix symbols to achieve long-term identification and traceability. It emphasizes the permanence of the tag, readability of the code throughout service life, and consistency of data for reliable asset management, under real operating conditions.
Resist heat, UV, moisture, chemicals, abrasion, and impact.
Codes should scan with standard industrial readers across service life.
Content should follow a defined data model for traceability.
Attachment must survive the same environment as the asset.
| Parameter | Typical Choice | When to Choose |
|---|---|---|
| Material | SS 304/316 | General industrial, corrosion resistance, outdoor duty |
| Material | Aluminium 5052/6061 (anodized) | Lightweight panels, cabinets, meters, UV exposure |
| Material | Titanium Gr.2/Gr.5 | Extreme heat/chemicals, thermal shock/quenching |
| Thickness | 0.5–1.0 mm | Limit warpage; add stiffness for heat cycles |
| Marking | Fiber-laser etch | Permanent high-contrast code; abrasion resistant |
| Symbol | QR / Data Matrix | Choose by data length and scanner ecosystem |
| Quiet Zone | ≥ 4 modules | Improves scanning under dirt/aging |
| Mounting | Rivet / clamp / weldable | Preferred for heat/chemicals; adhesives if qualified |
For India-specific requirements on cylinders, also review the PESO 2025 QR tag mandate.
Browse our complete range of metal QR code tags or request a compliance quote below.
Reference: ISO/TS 7352:2023 (official, paid) — get the full document from ISO for clause-level requirements.