不锈钢管常见的规格型号众多，从尺寸规格来看，外径常见的有6mm8mm10mm12mm16mm19mm22mm25mm32mm38mm45mm57mm76mm89mm108mm133mm159mm219mm273mm325mm377mm426mm等壁厚规格则有03mm05mm06mm08mm10mm12mm15...