Name: ISO 10893-3:2011 — Non-destructive testing of steel tubes — Part 3: Automated full peripheral flux leakage testing of seamless and welded (except submerged arc-welded) ferromagnetic steel tubes for the detection of longitudinal and/or transverse imperfections
SKU: ISO 10893-3:2011
Price: 25 EUR
Availability: InStock

Abstract

Overview - ISO 10893-3:2011 (Magnetic Flux Leakage for Steel Tubes)

ISO 10893-3:2011 specifies requirements for automated full peripheral magnetic flux leakage (MFL) testing of seamless and welded ferromagnetic steel tubes (excluding submerged arc-welded - SAW) to detect predominantly longitudinal and, by agreement, transverse imperfections. The standard applies to tubes with an outside diameter ≥ 10 mm and can also be applied to hollow sections. It defines test methods, calibration using reference tubes, equipment checks, acceptance criteria and reporting for non-destructive testing (NDT) of steel tubes.

Key topics and technical requirements

Scope & targets
- Automated full-peripheral MFL for ferromagnetic steel tubes (seamless and welded, except SAW).
- Default focus on predominantly longitudinal imperfections unless otherwise ordered.
- Applicable for OD ≥ 10 mm; short untestable tube end lengths are recognized.
Test method & equipment
- Whole tube surface must be scanned with relative tube/transducer motion; speed variation limited to ±10%.
- Maximum width of each individual transducer ≤ 30 mm.
- Equipment must provide automated trigger/alarm, marking and/or sorting for suspect tubes.
Reference tube & calibration
- Calibration uses reference notches (type “N”) or, by agreement, circular reference holes.
- External notch depth limits: acceptance levels F2–F5 with associated depths:
  - F2 = 5% (min 0.30 mm)
  - F3 = 10% (min 0.30 mm)
  - F4 = 12.5% (min 0.50 mm)
  - F5 = 15% (min 0.50 mm)
- External notch maximum depth 1.5 mm; internal notch maximum 3.0 mm; depth tolerance ±15%.
- Reference tubes should match tested tube diameter, thickness, surface finish and delivery condition.
Personnel & verification
- Operators must be qualified per ISO 9712, ISO 11484 or equivalent.
- Reference standard dimensions and shapes must be verified by a suitable technique.
Limitations
- Annex A addresses practical limits of MFL detection (e.g., near bore or thick walls).

Applications - who uses ISO 10893-3:2011

Primary users: NDT engineers, tube manufacturers, plant QA/QC teams, third-party inspectors, and NDT equipment suppliers.
Use cases: in-line production inspection, factory acceptance testing, sorting/marking suspect tubes, and calibration/validation of MFL equipment for industries where tube integrity is critical (energy, oil & gas, heat exchangers, pressure tubing).

Related standards

ISO 9712 - Qualification and certification of NDT personnel
ISO 11484 - Employer’s NDT qualification system
Other parts of ISO 10893 family (Parts 1–12) cover complementary NDT methods such as eddy-current, ultrasonic, radiographic, liquid penetrant and magnetic particle inspection.

Keywords: ISO 10893-3:2011, magnetic flux leakage, MFL testing, non-destructive testing, steel tubes, reference notch, calibration, acceptance levels, ferromagnetic tubes.

ISO 10893-3:2011

Похожие стандарты

Abstract

Overview - ISO 10893-3:2011 (Magnetic Flux Leakage for Steel Tubes)

Key topics and technical requirements

Applications - who uses ISO 10893-3:2011

Related standards

Технические детали

ISO 9712:2021

Non-destructive testing — Qualification and certification of NDT personnel

BS ISO 11484:2019

Steel products. Employer´s qualification system for non-destructive testing (NDT) personnel.

ISO 10893-2:2011

Non-destructive testing of steel tubes — Part 2: Automated eddy current testing of seamless and welded (excep…