不锈钢异形管有：椭圆、平椭、三角、梯形、扇形、单槽、双槽等不常规形状管材。可通过圆管加工而成为客户需要的形状，也可以直接通过焊管机加工而成。

1.单槽圆管外经尺寸 槽宽Ⅹ槽深 壁厚

38.1mm 16Ⅹ25.4mm 1.2mm

42.4mm 20Ⅹ20mm 1.5mm

42.4mm 24Ⅹ24mm 1.5mm

48.3mm 27Ⅹ30mm 1.5mm

50.8mm 15Ⅹ15mm 1.2﹏2.0mm

50.8mm 19Ⅹ38.1mm 1.2mm

60.3mm 34Ⅹ34mm 1.5mm

63.5mm 20Ⅹ20mm 1.2﹏2.0mm

63.5mm 19Ⅹ38.1mm 1.2mm

76.2mm 25Ⅹ25mm 1.2﹏2.0mm

2.双槽圆管外经尺寸

50.8mm 15Ⅹ15mm 1.2﹏1.5mm

3.单槽椭圆管外经尺寸

80Ⅹ40mm 24Ⅹ24mm 1.2﹏2.0mm

80Ⅹ37.7mm 33Ⅹ26mm 1.5mm

4.单槽方管外经尺寸

60Ⅹ40mm 24Ⅹ24mm 1.5mm