Ultrasonic Flaw Detector – Inspection Equipment of ASM Fastener

2025-06-19 09:40:07

ASM Fastener Co., Ltd. is a professional manufacturer of high-strength stud bolts and threaded rods, serving key industries including oil & gas, petrochemical, marine, and energy infrastructure. To ensure that every fastener meets the highest quality standards, ASM employs advanced inspection equipment — including the Ultrasonic Flaw Detector, a crucial tool in our non-destructive testing (NDT) process.

Ultrasonic Flaw Detector – Overview

The Ultrasonic Flaw Detector is used to detect internal defects such as cracks, voids, and inclusions that are not visible on the surface. By emitting high-frequency sound waves into the fastener material and analyzing the reflected signals, this device can accurately assess internal integrity without damaging the product.

Key Features and Functions

• Non-Destructive Testing (NDT):
  Enables internal inspection of bolts and studs without altering their physical state.

• High Accuracy:
  Can detect micro-level defects deep inside the material, ensuring mechanical reliability under extreme conditions.

• Portable Design:
  Ideal for on-site inspections or batch testing of large volumes of fasteners in production.

• Data Traceability:
  Results can be recorded, saved, and traced to ensure batch-level quality control and customer documentation.

Application in ASM Fastener's Quality Control Process

At ASM, the ultrasonic flaw detector is primarily used for inspecting:

• Critical fasteners for offshore platforms and pressure vessels

• Stud bolts for petrochemical and energy infrastructure

• Custom-designed bolts with special material grades (e.g., B7M, L7M, B8M)

Inspection is carried out by trained technicians according to internal procedures and international NDT standards. Fasteners with internal defects are identified and removed before shipment.

Conclusion

The Ultrasonic Flaw Detector plays a vital role in ASM Fastener's comprehensive quality assurance system. By incorporating non-destructive testing methods, we are able to deliver fasteners that meet the highest safety and performance expectations in demanding industries. ASM remains committed to excellence through continuous investment in equipment, process, and personnel training.