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AWS Standard Diffusible Hydrogen Testing Apparatus


AWS Standard Diffusible Hydrogen Testing Apparatus

Specifications

Type AWS a 4.3 -93 By Mercury Method

This standard covers the procedure for determination of content of diffusible hydrogen in deposited weld metal  arising from the use of  Shielded Metal Arc Electrodes,  Gas Metal Arc,  Flux cored Arc , Submerged Arc and MIG wire  Welding  Process by Mercury  method.  


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