Preprints of the National Meeting of JWS
the national meeting 2004 autumn
Session ID : 444
Conference information

Ar-O2 GMAW Shielding Gas for Ferritic Stainless Steel
GMAW Weldability of Ar-O2 Shielding Gas
*Yu-ichi IkegamiYasuo HiraiJitsuo NakataHideki Miya-uchi
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Abstract
Weld metal toughness of ferritic stainless steels is improved by Ar+3.5%O2 GMAW shielding gas compared with Ar+20%CO2.C content in weld metal by Ar+3.5%O2 is lower than Ar+20%CO2.Grain boundary martensite is observed in microstructure of weld metal by Ar+20%CO2.
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© 2004 by Japan Welding Society
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