In-depth articles on metallurgy, materials science, and metal processing — written for engineers and learners alike.
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.
Technical guide to erosion-corrosion in oil and gas pipework. Covers flow-accelerated corrosion, impingement attack, droplet erosion, material selection (Cr-Mo steels, DSS), and monitoring techniques.
Technical guide to microbiologically influenced corrosion (MIC). Covers SRB mechanism, tubercle formation, monitoring by DNA analysis, biocide treatment, and pigging for MIC prevention in pipelines.
Technical guide to electrical steels (silicon-iron). Covers grain-oriented (GO) and non-oriented (NO) grades, Goss texture, core loss mechanisms, and applications in power transformers and electric motors.
Complete guide to linepipe steels for oil and gas. Covers API 5L PSL1/PSL2 X65/X70 grades, hydrogen-induced cracking (HIC) testing per NACE TM0284, SSC resistance, and microstructural requirements.
Complete guide to metal extrusion. Covers direct and indirect hot extrusion, cold extrusion, billet-on-billet, die design, extrusion ratio, common defects (fir tree, piping), and aluminium profile production.
Complete guide to thermal spray coating processes. Covers HVOF (high-velocity oxy-fuel), atmospheric plasma spray (APS), vacuum plasma spray (VPS), and cold spray — process physics, coating properties, and industrial applications.
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.