重量(kg)=厚度(mm)*宽度(m)*长度(m)*密度值Weight(kg)=Thickness(mm)*Width(m)*Length(m)*Density(g/cm3) 密度 钢种Density(g/cm3) Steel Grade7.93 201,202,301,302,304,304L,305,3217.98 309S,310S,316,316L,3477.75 405,410,4207.70 409,430,434是以kg/cm3为单位。