Knowledge Base
Free weld fillet size calculator per AWS D1.1 and EN 1993-1-8 Eurocode 3. Calculates minimum fillet weld leg size from plate thickness and required fillet size from applied shear load and weld length.
Free online weld metal deposition rate calculator for GMAW, FCAW, SMAW, and SAW processes. Calculate kg/h deposition rate from wire feed speed, diameter, and duty cycle to estimate weld time and filler metal consumption.
Free online welding heat input calculator per ASME Section IX and ISO 1011-1. Calculate heat input in kJ/mm for GMAW, SMAW, GTAW (TIG), SAW, and FCAW with process efficiency factors.
Free online carbon equivalent calculator. Computes CE(IIW) and Pcm from steel composition with weldability classification. Essential tool for welding engineers and fabricators.
Free online welding preheat temperature calculator per EN 1011-2 CEN Method B. Enter steel composition, thickness, and hydrogen content to get minimum preheat temperature for cold-crack prevention.
Complete guide to weld procedure qualification per ISO 15614-1. Covers essential variables, test weld execution, required mechanical tests (tensile, bend, Charpy, hardness), and range of qualification approval.
Complete guide to vacuum and inert atmosphere brazing. Covers BNi, BAg, and BCu filler selection, joint clearance design, furnace cycles, and applications in stainless heat exchangers, carbide tooling, and aerospace.
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.
Technical guide to preheat and interpass temperature requirements in structural steel welding. Covers CE calculation, hydrogen scale, thickness effects, and practical control methods.
Comprehensive comparison of SMAW, GMAW, FCAW, and SAW welding processes. Covers deposition rate, positional capability, heat input, metallurgical quality, and process selection criteria.