DS EN 1737:1999 Determination Of Shear Strength Of Welded Joints Of Reinforcement Mats Or Cages For Prefabricated Components Made Of Autoclaved Aerated Concrete Or Lightweight Aggregate Concrete With Open Structure Describes a method of determining the shear strength of welded joints in reinforcements intended for use in prefabricated components made of autoclaved aerated concrete (AAC) according to prEN 12602 o