Applicationt: 
Universal
Production Description:
Standard:Strictly follow the ASTM A 554 and others
Specifications:
1) Round pipes - Outside diameter(mm) :
8,9.5,11,12,12.7,14.5,15.9, 17,18,19,20,22,23,28,29,31.8 ,35,36,38,45, 47,48,50.8,60,63,76,88.9,102,114,133,141,159,219
2)Square pipes - Outside dimensions(mm) :
10x10,12x12,15x15,17x17,18x18,19x19,20x20,22x22,23x23,24x24,25x25,28x28,30x30,36x36,38x38,40x40,48x48,50x50,60x60,70x70,80x80
3)Rectangular pipes - Outside dimensions(mm) : 20x10,23x11,24x12,25x13,28x13,30x15,34x22,36x23,37x24,38x25,40x20,48x23,50x15,50x25,60x15,60x30,73x43,75x45,95x45