Immersion Test Reports

What to Know About Magnetic Particle Checks in Rail Vehicle Frames A good weld check starts well before the test tool is used in rail vehicle frames. A neat weld face may not tell the full story. A small mark may also need closer review before anyone calls it a flaw. Method choice should follow the joint and its risk. That is why magnetic particle checks deserve a clear plan. Good test work can bring faults to light early. They also cut doubt when the work moves to