Weldability Testing of Cast Corrosion-Resistant and Heat-Resistant Steels

MJ Cieslak; WF Savage

doi:10.1520/STP28445S

SYMPOSIA PAPER Published: 01 January 1982

STP28445S

Weldability Testing of Cast Corrosion-Resistant and Heat-Resistant Steels

Source

A program to establish baseline hot-cracking sensitivities of cast corrosion-resistant and heat-resistant alloys was initiated. The Varestraint Test was used to investigate primarily the metallurgical variables associated with hot cracking in autogenous weldments of alloys CF8M and HK-40. Hot cracking in alloy HK is associated with the formation of a carbide-austenite lamellar eutectic. Hot cracking in alloy CF8M is a function of the primary solidification mode. Heats which by virtue of their composition solidify as primary austenite are more hot-crack sensitive than heats which solidify as primary δ-ferrite.

Author Information

Cieslak, MJ

Welding Group, Materials Engineering Department, Rensselaer Polytechnic Institute, Troy, N.Y.

Savage, WF

Welding Group, Materials Engineering Department, Rensselaer Polytechnic Institute, Troy, N.Y.

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Details

Developed by Committee: A01

Pages: 241–258

DOI: 10.1520/STP28445S

ISBN-EB: 978-0-8031-4825-3

ISBN-13: 978-0-8031-0740-3

Weldability Testing of Cast Corrosion-Resistant and Heat-Resistant Steels

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