GrindWeld

ASME B31.1

Power Piping

Welding Procedure

Summary

Covers piping typically found in electric power generating stations, industrial and institutional plants.

Scope

Power piping systems for electric generation, industrial plants, and heating/cooling.

Key Requirements

Examination

Chapter VI defines examination.

  • Random RT: 5-10% of welds
  • VT required for all welds
  • PWHT required for P-1 above 19mm

Applicable Materials

Carbon SteelLow Alloy SteelChrome-Moly (P22)Stainless Steel 304

Applicable Processes

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