AMS-STD-2154 - Ultrasonic Testing of Wrought Metals
AMS-STD-2154 specifies the requirements for the ultrasonic testing of wrought metals and metal products, thus promoting uniformity in non-destructive testing of metals. This helps ensure that metal bars, billets, plates, and end products meet minimum quality requirements by detecting flaws such as cracks, voids, inclusions, etc., that are not visible to the naked eye.
Ultrasonic testing is a reliable, quick, and safe non-destructive test that uses high-frequency sound waves in the range of 2-10 MHz to inspect metals, composite materials, and plastics. When these sound waves encounter flaws in the material, they bounce back to the test instrument, thus precisely locating flaws in the material.
Advantages of Ultrasonic NDT per AMS-STD-2154
- High reliability: identifies internal flaws invisible to the eye
- Non-destructive: preserves the material for further use
- Quantitative analysis: allows sizing of defects using amplitude-based techniques
- Versatility: applicable to solid bars, plates, and welded tubular components
- Traceable to standards: ensures compliance with customer and industry requirements
Key Features of AMS-STD-2154 Ultrasonic Testing
- Inspection of raw materials: bars, billets, and plates before further processing
- Detection of defects in solid bars: cracks, piping voids, inclusions
- Testing of tubular products: weld seams, porosity, lack of penetration
- Flexible UT techniques: conventional focusing with fixed lenses or phased array electronic focusing for precise flaw sizing
- Quick and safe inspection: usually requires only wetting with couplant or water, with no special safety or licensing requirements
AMS-STD-2154 specifies acceptance criteria based on defect size, location, and criticality, particularly for aerospace, transportation, power generation, and fluid/gas containment applications where material integrity is paramount.
MP35N SPECIFICATIONS
MP35N HEAT TREATING CONDITIONS
Standards specifying thermal processing and quality verification for MP35N.
BARS & FORGINGS
Material produced in long‑product form to support precision machining and high‑performance part fabrication.
Certified Material for Critical Service
MP35N is widely certified for critical service applications, ensuring reliability in aerospace, medical, oil & gas, and high-performance industrial environments. All supplied MP35N products come with full traceability and certification, including:
- Chemical Composition Certificates: Confirming cobalt, nickel, chromium, and molybdenum content per AMS and SPS specifications.
- Mechanical Test Reports: Tensile strength, hardness, and elongation verified according to AMS 5844, AMS 5758, and SPS-M-646.
- Non-Destructive Testing (NDT): Ultrasonic and visual inspections per AMS-STD-2154 to ensure defect-free material.
- Heat Treatment Certification: Verification of precipitation hardening and work strengthening procedures.
This ensures MP35N meets the highest standards for critical, high-stress, and corrosion-prone applications, making it suitable for mission-critical aerospace components, surgical implants, and offshore equipment.