MANUFACTURE OF STAINLESS STEEL AND ALUMINUM CLAD MATERIAL

摘要

PURPOSE:To manufacture a clad material of stainless steel and aluminum free from roughness and necking on the aluminum surface in the forming, and excellent in the joining strength. CONSTITUTION:The stainless steel and aluminum clad material is diffusion annealed in the temperature range of <200-300 deg.C to make the maximum grain size of aluminum below 150mum. Alternatively, the clad material consisting of stainless steel and the aluminum alloy containing 0.5-1.5wt.% Mg is diffusion annealed in the temperature range of <230-360 deg.C to make the maximum grain size of aluminum alloy below 200mum.