Steel Grade（鋼級）:  SAE1010, SAE1020, SAE1035,  SAE1045, etc.
Standards   （標準）: A179, A192, SA556, etc.
Size Range  （尺寸范圍） : OD（外徑）: 10-80mm  
WT（壁厚）: 1-10mm
Annual Output（年產量）: 45,000T