Step-by-step guide to using hardness conversion tables. Covers HRC/HV/HB/HRA scales, approximate UTS correlation for steel, limitations of conversions, and ASTM E140 standard conversion table excerpt.
Step-by-step tutorial on writing a Welding Procedure Specification (WPS) per AWS D1.1 and ISO 15614-1. Covers essential variables, pWPS, PQR testing requirements, and WPS approval documentation.
Step-by-step failure analysis tutorial. Covers documentation, visual examination, SEM fractography, metallographic sectioning, hardness testing, root cause identification, and corrective action recommendation.
Practical tutorial on selecting and specifying surface treatments. Covers electroplating, anodising, nitriding, phosphating, and hard chrome — selection criteria, drawing specification, and quality verification.
Step-by-step tutorial on pressure vessel wall thickness calculation per ASME VIII Div.1. Covers Barlow’s formula, design pressure, allowable stress, joint efficiency, corrosion allowance, and worked example.
Step-by-step failure analysis tutorial using a real failed gear case study. Covers documentation, visual inspection, SEM fractography of pitting and spalling, hardness traverse, case depth verification, and corrective action.
Practical tutorial on selecting the correct NDT method for weld inspection. Covers defect type vs detection capability matrix, RT vs UT vs TOFD vs PAUT for volumetric inspection, and MT/PT for surface defects.
Step-by-step tutorial on designing a quench and temper heat treatment cycle. Uses TTT diagram + Jominy hardenability data to select quench medium, verify through-hardness, and specify tempering temperature for 4140 steel.
Step-by-step tutorial on calculating corrosion rates. Covers weight loss coupon calculation (mpy/mm·year), Faraday’s law from corrosion current density, Stern-Geary B constant, and unit conversions.
Step-by-step tutorial on material traceability in steel fabrication. Covers EN 10204 certificate types (3.1, 3.2), heat number tracking, PMI verification, NACE sour service traceability, and documentation control.