... length(m)Round tube with thick wallφ25-φ1805.0-42.51070A,8A06,5A02,5A03,5A05,5A12,3A21,2A11,2A12,2A14 ... ,T60.3-6.0Round tube with thin wallφ6-φ1200.5-5.01070A,8A06,5A02,5A03,5A05,5A12,3A21,2A11,2A12,6A02 ... ,H14,H181.0-6.0Square tube10×10-70×701.0-5.01070A,8A06,5A02,5A03,5A05,5A12,3A21,2A11,2A12,6A02 ... ,H14,H181.0-6.0Rectangular tube14×10-70×501.0-5.01070A8A06,5A02,5A03,5A05,5A12,3A21,2A11,2A12,6A02,6061 ...