AWS A2.4 COMPLIANT •
ISO 2553 STANDARDS •
ASME SEC IX •
ASNT NDT LEVEL III ALIGNED •
API 1104 •
AWS-CWI PREP •
AWS A2.4 COMPLIANT •
ISO 2553 STANDARDS •
ASME SEC IX •
ASNT NDT LEVEL III ALIGNED •
API 1104 •
AWS-CWI PREP •
Systematic Learning
Progress logically from foundational anatomy to advanced multi-process blueprints.
NDT & Inspection
Master specialized symbols for ultrasonic, radiographic, and magnetic particle testing.
Free Resources
Access high-quality PDF cheat sheets and printable charts for the shop floor.
Explore the Blueprint Curriculum
Select a module below to access our highly detailed, visual guides.
Module 1
The Foundations
Reference lines, arrows, tails, and AWS vs ISO standard differences.
Module 2
Fillet Welds
Sizing, length, pitch, and intermittent symbols.
Module 3
Groove Welds
V, U, J, Bevel, and Square groove joint anatomy.
Module 4
Supplementary
Contours, finish, melt-through, and weld-all-around.
Module 5
NDT & Advanced
Inspection symbols, back gouging, and complex drawings.
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