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46 CFR 54.25-25 - Welding Of Quenched And Tempered Steels (modifies UHT-82)..pdf

CFR-2012-title46-vol2-sec54-25-25.pdf
Preview of 46 CFR 54.25-25 - Welding of quenched and tempered steels (modifies UHT-82).
🔗 Source: gpo.gov
📊 Size: 208 KB
📄 Pages: 2 pages
⬇️ Downloads: 72

Summary

The US Coast Guard regulations (46 CFR) outline requirements for welding and stress relief of pressure vessels. Section 54.25-25 covers welding of quenched and tempered steels, requiring qualification of welding procedures, welders, and weld-production testing according to part 57 and subpart 54.05, with specific acceptance criteria for Charpy V-notch testing. Section 54.30-1 introduces mechanical stress relief, permitted for certain pressure vessels under specific conditions, such as low temperatures and limited pressure differences. Mechanical stress relief serves to relieve local stresses and blunt crack tips, but must be done without causing appreciable deformation or general yielding. The regulations also specify requirements for weld joint efficiencies, radiographic examination, and severe cold forming, with limitations on pressure, temperature, and design details.

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Description

The US Coast Guard regulations (46 CFR) outline requirements for welding and stress relief of pressure vessels.

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  • File Format: PDF
  • File Size: 208 KB
  • Pages: 2
  • Language: EN
  • Total Downloads: 72
  • Last Updated: 3 months ago

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