scope:

This International Standard specifies the classification,dimension and appearance, performance, and test methods for ceramicweld backing. It also specifies marking, packaging, and storage.This International Standard is applicable to designing,manufacturing, testing, and accepting ceramic weld backing that areto be used in the double side form with single side weld, such asarc welding, gas welding, vertical gas welding, and submerged arcwelding, and the shaping structural steel welding end for carbonsteel, stainless steel, aluminium alloy, copper alloy, and soon.