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WRC BUL 359

1990 Edition, December 1, 1990

Complete Document

WELDABILITY OF LOW-CARBON MICRO-ALLOYED STEELS FOR MARINE STRUCTURES



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Product Details:

  • Revision: 1990 Edition, December 1, 1990
  • Published Date: December 1990
  • Status: Active, Most Current
  • Document Language: English
  • Published By: Welding Research Council (WRC)
  • Page Count: 103
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This report covers the "Validity of Carbon Equivalent Formulae", a "Prediction of HAZ Hardness", a "Calculation of Cooling Rate/Cooling Time", "Hydrogen Sensitivity and Cracking Morphology", "HAZ Softening", and presents a large number of "HAZ Microstructures". Publication of this document - WRC Bulletin No. 359 was sponsored by the U.S. Interagency Ship Structure Committee and the Welding Research Council. This program to investigate the validity of conventional carbon equivalent formulas applicable to the weldability of nine low-carbon micro-alloyed steels for marine structures included in its scope the determination of CGHAZ hardness as a function of cooling time from SOOO to 500°C, measurement of cooling times/cooling rate as a function of welding conditions, validation of calculation methods, the categorization of HAZ microstructures and hydrogen assisted cracking by three different methods namely: the Battelle Underbead Cracking, UT-Modified Hydrogen Sensitivity and Implant Cracking tests.