EMA Industries Technical Team - E.M.A INDUSTRIES Page 3

49 CFR 213.237: Rail Flaw Detection Inspection Requirements

49 CFR 213.237 requires internal rail testing every 370 days or 30 MGT on Class 4–5 track. Valid searches, failure limits, records and RFP tips explained.

September 14, 202613 min read

Railroad Safety & Compliance

Rail Failure Statistics: FRA Derailment & Defect Data 2026

Explore rail failure statistics, FRA derailment and defect data for 2026, key causes, trends, and safety insights. Read the latest analysis today.

September 8, 202611 min read

Welding Inspection

Slag Inclusion in Welds: Causes, Prevention & UT Detection

Explore Slag Inclusion causes, prevention, and UT detection for better weld quality. Find practical inspection guidance and improve welding results today!

September 7, 202611 min read

Non-Destructive Method

Lack of Fusion in Welds: Why UT Is the Best Detection Method

Explore how UT detects lack of fusion welds, why it can outperform RT for planar defects, and how proper inspection protects weld integrity. Learn more today!

September 7, 202611 min read

Non-Destructive Method

Ultrasonic Testing Acceptance Criteria: Codes, Limits and Reject Levels

Ultrasonic testing acceptance criteria by code: AWS D1.1 classes, ASME VIII and B31.3 length limits, API 1104 and 49 CFR 213.113 rail defects, worked through.

September 4, 202618 min read

Railway Infrastructure

Corrugation on Rail: Causes, Measurement & Impact in 2026

Explore with corrugation on rail: causes, measurement, UT impact, rail defects, maintenance methods, and ways to manage rail deterioration.

August 18, 202611 min read

Railway Safety

Ultrasonic Rail Inspection Checklist: 10 Best Practices

An ultrasonic rail inspection checklist gives inspection teams a structured way to detect hidden rail defects before those defects develop into larger safety concerns. A well-pl…

August 17, 202610 min read

Ultrasonic Testing

Near Field vs Far Field in UT: What Inspectors Must Know

Learn how Near Field vs Far Field in UT affects ultrasonic beam behavior, echo amplitude, probe selection, near-field calculations, and defect interpretation.

August 10, 202611 min read