Description 产品名称	Size(mm) 规格(mm)	Standard 标准
Rollde Seamtess Tube 轧制无缝管	Φ(3-114)×(0.2-6.0)W×L	GB/T3624-95 GB/T3625-95 ASTMB337 ASTMB338 (ASME)
Welded Tube 焊接管	Φ(10-40)×(0.5-2.0)W×L	GB/T3624-95 GB/T3625-95
Extruded Tube 挤压管	Φ25-210)×(6.0-30)W×L	Q/BS5631-95