GB/T8163-1999 seamless steel pipe

1 Seamless carbon steel
2 structural tubing
3 OD:10mm to 508mm
4 thickness: 1mm to 40mm
5 material is 10# 20# ,Q295,Q345
GB/T8163-1999 seamless steel pipe for structural tubing, OD:10mm to 508mm, thickness: 1mm to 40mm
main material is 10# 20# ,Q295,Q345 of GB/T8163

grade
tensile strength σ b /MPa
yield strength /MPa

elongation δ 5 (%)
s ≤ 16
s>16

≥
10
335~475
205
195
24
20
410~550
235
235
20
Q295
430~610
295
285
22
Q345
490~665
325
315
21


Update Date:2011-9-23 1:38:07