Noral 38S is a high-silicon aluminum having comparatively low coefficient of expansion and good forgeability. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive, shear, and bearing strength as well as creep and fatigue. It also includes information on high temperature performance as well as forming, heat treating, machining, and joining. Filing Code: Al-68. Producer or source: Northern Aluminium Company Ltd.