In-depth articles on metallurgy, materials science, and metal processing — written for engineers and learners alike.
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.
Free pressure vessel wall thickness calculator per ASME VIII Division 1 UG-27. Calculates minimum wall thickness from design pressure, inside radius, allowable stress, and joint efficiency. Also finds MAWP from known wall thickness.
Complete guide to post-weld heat treatment (PWHT). Covers stress relief, tempering of HAZ martensite, ASME VIII requirements, temperature ranges by material, and PWHT procedure qualification.