We can provide you with Erw Pipe, Structurual Pipe, Square Pipe, retangular Pipe, Api Pipe, hollow section tube.
High frequency steel pipe:
GB/T3091-2001, GB/T13793-92, GB/9711, 1-1997, ASTM A53-04, DIN2458/1626
??33. 4X(2. 5-4. 5)mm
??40X(2. 5-4. 5)mm
??42. 5X(2. 5-4. 5)mm
??48X(2. 5-4. 5)mm
??51X(2. 5-4. 5)mm
??60X(2. 5-4. 5)mm
??62. 5X(2. 5-4. 5)mm
??73X(2. 5-4. 5)mm
??76X(2. 5-4. 5)mm
??80X(2. 5-4. 5)mm
??82. 5X(2. 5-4. 5)mm
??89X(2. 5-4. 5)mm
??94X(2. 5-4. 5)mm
??95X(2. 5-4. 5)mm
??102X(3-8)mm
??104X(3-8)mm
??108X(3-8)mm
??114X(3-9)mm
??121X(3-9)mm
??127X(3-9)mm
??133X(3-9)mm
??140X(3-10)mm
??152X(3-10)mm
??159X(3-10)mm
??165X(3. 5-10)mm
??168. 3X(3. 5-10)mm
??180X(3. 5-10)mm
??194X(3. 5-10)mm
??203X(3. 5-10)mm
??219X(4-10)mm
??244. 5X(5-16)mm
??273. 1X(5-16)mm
??299X(5-16)mm
??323. 9X(5-16)mm
??351X(5-16)mm
??355. 6X(5-16)mm
??377X(5-16)mm
??406. 4X(5-16)mm
??457. 2X(5-16)mm
??508X(5-16)mm