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A single undetected flaw in critical applications like oil and gas pipelines, nuclear facilities, or aerospace components can lead to catastrophic failures, costly downtime, and safety hazards. That's why industry leaders trust our advanced Eddy Current Testing (ECT) and Ultrasonic Testing (UT) combined systems to deliver uncompromising quality control. The Critical Challenge: Detecting Every Defect Type Steel pipes face numerous potential defects throughout their lifecycle - from manufacturing processes like forging and welding to service-related issues such as corrosion and fatigue. Understanding these defect types is crucial for implementing effective detection strategies. Surface and Near-Surface Defects: Where Eddy Current Testing Excels Eddy Current Testing represents the pinnacle of non-contact surface inspection technology. By utilizing electromagnetic induction principles, our ECT systems generate eddy currents within conductive materials and monitor their variations to identify defects with exceptional precision. Key Defect Types Detected by ECT: Crack Detection: Longitudinal Cracks: Defects extending along the pipe's axial direction Transverse Cracks: Defects perpendicular to the pipe's axis Surface Cracks: Visible surface discontinuities Sub-surface Cracks: Near-surface defects just below the material surface Corrosion Assessment: Pitting: Localized micro-cavity corrosion General Corrosion: Widespread surface material thinning Wall Thinning: Reduced wall thickness due to corrosion or wear Manufacturing Defects: Lack of Fusion: Incomplete fusion between weld metal and base material Porosity: Gas-induced micro-cavities in welds Laps: Surface overlaps from rolling or forging processes Laminations: Internal layered defects from manufacturing impurities The beauty of ECT lies in its speed and sensitivity to surface defects, making it ideal for high-speed production line integration. Internal Defects: The Domain of Ultrasonic Testing While ECT dominates surface inspection, Ultrasonic Testing penetrates deep into material structures, revealing internal defects that could compromise structural integrity. Our UT systems utilize high-frequency sound waves to detect, locate, and size internal discontinuities with remarkable accuracy. Comprehensive Internal Defect Detection: Weld Quality Assessment: Weld Cracks: Including longitudinal, transverse, and crater cracks Lack of Fusion: Incomplete bonding between weld passes or base material Lack of Penetration: Insufficient weld root penetration Slag Inclusions: Non-metallic impurities trapped in welds Porosity: Internal gas pockets within weld metal Base Material Integrity: Laminations: Parallel-to-surface layered defects from rolling processes Inclusions: Internal non-metallic impurities Shrinkage Cavities: Voids from casting or forging cooling processes Wall Thickness Monitoring: Precise measurement for corrosion assessment Advanced Surface Detection:Through specialized probes and surface wave techniques, UT can also detect: Surface cracks with precise depth measurement Corrosion mapping and profiling The Synergy Advantage: Why ET+UT Combined Systems Deliver Superior Results In our 31 years of NDT automation experience, we've learned that no single technology can address every defect scenario. That's why our integrated ET+UT systems represent the gold standard in comprehensive pipe inspection. Complementary Strengths: Eddy Current Testing Advantages: Lightning-fast surface inspection speeds Non-contact operation for delicate surfaces Excellent sensitivity to surface-breaking defects Ideal for automated production line integration Real-time defect detection and classification Ultrasonic Testing Advantages: Deep penetration for full wall thickness inspection Precise defect location and sizing capabilities Comprehensive weld quality assessment Detection of internal manufacturing defects Accurate wall thickness measurement The Combined Solution Benefits: Complete Coverage: From surface to core, no defect escapes detection Risk Mitigation: Eliminates blind spots that single-method approaches create Production Efficiency: Simultaneous inspection reduces cycle times Quality Assurance: Meets the most stringent industry standards Cost Optimization: Prevents costly failures and rework Defect Detection Coverage Matrix Our ET+UT combined systems provide comprehensive coverage across all critical defect types. See what we can detect for you: ✓ Complete Defect Detection Capability Defect Category Defect Type (English) ECT Detection UT Detection Combined Coverage Surface Cracks Longitudinal Cracks ✓ ✓ ✓✓ Transverse Cracks ✓ ✓ ✓✓ Surface Cracks ✓ ✓ ✓✓ Sub-surface Cracks ✓ ✓ ✓✓ Corrosion Defects Pitting ✓ ✓ ✓✓ General Corrosion ✓ ✓ ✓✓ Wall Thinning ✓ ✓ ✓✓ Weld Defects Weld Cracks ✓ ✓ ✓✓ Lack of Fusion ✓ ✓ ✓✓ Lack of Penetration — ✓ ✓ Slag Inclusions — ✓ ✓ Porosity ✓ ✓ ✓✓ Crater Cracks — ✓ ✓ Manufacturing Defects Laps ✓ — ✓ Laminations ✓ ✓ ✓✓ Inclusions — ✓ ✓ Shrinkage Cavities — ✓ ✓ Legend: ✓ = Detectable by this method ✓✓ = Detectable by both methods (enhanced reliability) — = Not typically detectable by this method Industry Applications: Where Quality Cannot Be Compromised Our ET+UT combined systems excel in critical applications where failure is not an option: Oil & Gas Pipelines: Ensuring integrity in high-pressure, high-consequence environments Nuclear Power: Meeting nuclear-grade quality standards for reactor components Aerospace: Detecting microscopic defects in flight-critical components Petrochemical: Maintaining safety in corrosive processing environments Power Generation: Ensuring reliability in steam and pressure systems The DSS Electronics Advantage: 31 Years of Innovation As pioneers in NDT automation, we don't just sell equipment – we deliver complete solutions tailored to your specific challenges. Our expertise spans: Custom System Design: Engineered for your unique production requirements Advanced Automation: Minimizing human error while maximizing throughput Comprehensive Training: Ensuring your team maximizes system potential Ongoing Support: Lifetime partnership for optimal performance Conclusion: Invest in Certainty In today's competitive landscape, quality isn't just a requirement – it's your competitive advantage. Our combined ET+UT systems don't just detect defects; they provide the confidence that comes from knowing every pipe meets the highest standards. When you choose DSS Electronics, you're not just buying equipment – you're investing in three decades of innovation, reliability, and unwavering commitment to quality. Because in critical applications, good enough simply isn't good enough. Ready to elevate your quality control to the next level? Contact our NDT automation specialists today and discover how our combined ET+UT systems can transform your production quality and efficiency. DSS Electronics: Where precision meets reliability in NDT automation. Trusted by industry leaders worldwide for over three decades.

System detection process: Manual loading, automatic detection starts after pressing the start button. Detection host: FET-99S intelligent digital eddy current flaw detector. Detection speed: Approximately 15 seconds per piece. Steering knuckle: Local part of the steering knuckle hardness and material detection system: Detection by the steering knuckle hardness and material detection system: Our advantages: 1.Provide efficient non-destructive testing solutions for industries such as automotive, aerospace, and petrochemical. 2.Fully automatic operation reduces manual intervention. 3.Detection speed and accuracy meet high industrial standards.

Double-Ended Connecting Rod Material Mixing and Hardness Sorting System Sorting Object: Hardness sorting of connecting rod materials Detection Host: FET-99S Intelligent Digital Eddy Current Flaw Detector System Detection Process: The system is integrated with the production line for automatic incoming material detection, and non-conforming parts are automatically rejected.   Detection Speed: 6 seconds per piece   Sorting Site of the Double-Ended Connecting Rod Material Mixing and Hardness Sorting System Our advantages: 1.Full-process automation seamlessly connects with production lines to create an intelligent quality inspection closed loop.2.High-speed and precise hardness sorting breaks through the efficiency bottleneck of traditional testing.3.A dynamic intelligent rejection system builds a zero-defect quality control defense line.

Steering knuckle flaw detector Detection Host: FET Two-Channel 99S Intelligent Digital Eddy Current Flaw Detector System Process Description: A single probe is used to simultaneously detect multiple surface defects, including longitudinal and circumferential cracks, as well as sand holes (air holes). Detection Areas: Inner diameter, chamfer, end face, outer diameter Detection of surface cracks in the hardened area of truck steering knuckles Detection Line Speed: 80-90 seconds per piece Steering knuckle: Steering Knuckle Crack Detector: Steering Knuckle Crack Detector Test Bench:

Steering Rack Multi-Part Hardness and Hardened Layer Depth Sorting Instrument Detection Host: ZGF-III Intelligent Non-Destructive Sorting Instrument Sorting Objects: Hardness of multiple parts of the steering rack, depth of the hardened layer, and material mixing Instrument Detection Process: 3 detection positions (3 pairs of detection coils), fully automatic, online detectionDetection Speed: Up to 150 pieces/hour Steering rack: Online detection by the steering rack multi-part hardness and hardened layer depth sorting instrument: Our advantages:Fully unmanned operation. Under the high-speed detection cycle of 150 pieces per hour, the positioning deviation of 3 groups of detection coils can accurately separate non-conforming products.

Casting and Forging Mixed Material Detector Detection Host: NDT-ED-O Intelligent Digital Eddy Current Flaw Detector Detection Objects: Large-sized and heavy workpieces (maximum dimensions: 800mm (L) × 300mm (W) × 300mm (H); maximum weight: 25kg) Detection Feature: Dynamic detection Instrument Detection Process: The operator manually places the workpiece on the conveyor belt.The conveyor belt moves at a constant speed and automatically triggers detection when reaching the coil position.Detection is performed using the pre-multi-frequency method.Qualified workpieces enter the qualified hopper based on detection results. Casting and Forging: Detection by Casting and Forging Mixed Material Detector: Casting and Forging Mixed Material Detector: Our advantages: Adopting a semi-automated design of "manual feeding + automatic trigger detection", when non-conforming products are detected, the conveyor belt automatically stops and locates the defective workpieces. This not only avoids the risk of misjudgment in fully automated rejection but also is particularly suitable for the inspection and debugging of precision components.

Small Sleeve Crack and Heat Treatment Detection System Detection Host: FET-99S Intelligent Digital Eddy Current Flaw Detector Sleeve Specifications: Material: Inconel alloy Diameter: 2.8mm WeigHt: 0.6g per sleeve Heat Treatment and Crack Detection Speed: 5 seconds per piece Calibrated Crack Specifications: Longitudinal ±15°: 3.750mm (L) × 0.075mm (W) × 0.075mm (D) Circumferential ±15°: 3.750mm (L) × 0.075mm (W) × 0.150mm (D) Detection Area: Outer diameter Small Sleeve: Small Sleeve Crack and Heat Treatment Detection System:

Shaft Pin Crack and Heat Treatment Detector Detection Host: FET-99S Intelligent Digital Eddy Current Flaw Detector Instrument Features: High-speed detection and universal applicability.Detection Speed: 12,000 pieces per hour Shaft Pin: Shaft Pin Crack and Heat Treatment Detector:

Bearing Races Crack Detector Detection Host: FET-99S Intelligent Digital Eddy Current Flaw Detector Bearing Inner Diameter: 30-40mmCalibration Crack Specifications (Longitudinal): 3.000mm (L) × 0.050mm (W) × 0.100mm (D)Detection Speed: 6 seconds per piece (600 pieces per hour) Bearing Races: Material Loading of Bearing Races Crack Detector: Material Loading of Bearing Races Crack Detector: Material Feeding of Bearing Races Crack Detector:

Bearing Races Mixing Material & Hardness Automatic Testing System Detection Objects: Bearing races material mixing, hardness Detection Host: FET-99S Intelligent Digital Eddy Current Flaw DetectorSystem Detection Process: Automatic loading, automatic detection, automatic sortingDetection Speed: Approximately 2 seconds per piece Bearing Races Mixing Material & Hardness Automatic Testing System 1: Bearing Races Mixing Material & Hardness Automatic Testing System 2: Bearing Races Mixing Material & Hardness Automatic Testing System 3:

Bearing Races (Inner and Outer Rings) Surface Crack and Burn Detection System Detection Objects: Surface cracks and burns on the inner/outer surfaces and upper/lower end faces of bearing inner and outer rings. Outer Ring (OR): Maximum: OD 180 x 45mm Minimum: OD 72 x 23mm Inner Ring (IR): Maximum: OD 133 x 60mm Minimum: OD 53 x 27mm Detection Host: Desson FET-99S Multi-Channel Intelligent Digital Eddy Current Flaw Detector System Detection Process: Integrated with the automated production line for automatic detection and sorting.Detection Speed: ≤30 seconds per piece per line System Features: The probe scanning and positioning are controlled by a bus servo system, enabling easy debugging, quick model changeover, high probe safety, and a robust detection line suitable for 24-hour production line operation. Crack detection on the inner diameter, outer diameter, and end faces is completed at a single detection station without flipping the workpiece. Bearing Races (Inner and Outer Rings) Surface Crack and Burn Detection System: Inner/Outer Ring Loading of the Detection System: Inner/Outer Ring Detection Station of the Detection System:

Bearing Roller Crack and Surface Defect Detector Detection Host: FET Two-Channel 99S Intelligent Digital Eddy Current Flaw Detector System Process Description:A single probe simultaneously detects multiple surface defects, including longitudinal and circumferential cracks, as well as sand holes (gas pores). Roller Specifications for Detection:Diameter: 9–50mm, Length: 9–60mm. Detection Objects:Cracks on the roller outer diameter and other surface defects (pitting, chipping). Detection Speed:Per line: 1–2 seconds per piece. Bearing Roller: Bearing Roller Crack and Surface Defect Detector: Material Loading 1 of Bearing Roller Crack and Surface Defect Detector: Material Loading 2 of Bearing Roller Crack and Surface Defect Detector: Detection by Bearing Roller Crack and Surface Defect Detector: