... 18.0-20.0,Mo:3.0-4.0,Cu:4.0-5.0performanceAlloy and state: 926,Tensile ... welding performanceWith general of the stainless steel, 90 4 L can use all sorts of methods for welding ... ~ 1150 after cooling rapidly.2 machining performance90 4 L of machining features similar to the other austenitic ... finish 2B, BA, Hair Line, No.1,No.4, Mirror Finish,etc.Application Architetcure, Decoration, Chemical industry ...