Solution For Grains of Cr Material During Drawing For Cr series products, please use small clearance drawing, which can limit the grains. And for the mould-making material, please use the hard alloy (YG18), alloy copper, H13, Cr12, etc, among which the most popular is Cr12. And also H13 is also very good if the Nitrogen infiltration is good enough, deep enough and hard enough. Generally, all products can be drawn with 21CT. During bellying and shape adjusting please pay attention to the elongation, and adjust parameter and method of processing. |