Welding Inspection Technology 2020 Pdf Link
| Type | Visual Identification (2020 Tools: Borescope, 10x Loupe) | Acceptance (D1.1:2020) | | :--- | :--- | :--- | | | Linear dark line; sharp tips. Hot crack (centerline). Cold crack (HAZ). | Zero tolerance. Full removal required. | | Porosity | Round or elongated voids. Cluster (4+ in 1”). | Max diameter: 1/16” (1.6mm) for thin wall. Cluster reject if > 2% of surface. | | Undercut | Groove in base metal adjacent to toe of weld. | Depth ≤ 1/32” (0.8mm) for cyclic loads; ≤ 1/16” (1.6mm) static. | | Incomplete Fusion | Flat, unbonded interface between weld/base. | Reject (crack initiation point). | | Spatter | Small droplets on base metal. | Permitted unless corrosion resistant coating required. | | Overlap | Weld metal rolled over without fusion. | Reject (stress riser). |
Modern Welding Inspection: A Guide to 2020 Standards and Beyond welding inspection technology 2020 pdf
manual. Whether you are a seasoned Certified Welding Inspector (CWI) or a novice entering the field, the 2020 standards emphasize that modern inspection is about much more than just "looking at welds"—it is a high-tech discipline blending metallurgy, safety, and advanced data. What’s New in the 2020 Standards? The sixth edition of the Welding Inspection Technology guide serves as a core preparatory resource for the AWS CWI examination . Key updates in the 2020 era include: Reorganized Safety Protocols: | Type | Visual Identification (2020 Tools: Borescope,