品名材質規格（mm）城市價格（元/噸）結構管20#（GB/T8162-1999）60×3.5-4.5-5-6-7-8-9-12-14江陰4330結構管20#（GB/T8162-1999）76×4-4.5-5-6-7-8-9-10-12-14江陰4320結構管20#（GB/T8162-1999）83×4.5-5-10-12-14-16-18-20江陰4350結構管20#（GB/T8162-1999）89×4.5-8-10-12-14-16-18-20江陰4350結構管20#（GB/T8162-1999）95×4.5-6-8-10-12-14-16-20江陰4300結構管20#（GB/T8162-1999）102×4.5-5-6-7-8-10-12-14-16-20江陰4260結構管20#（GB/T8162-1999）108×4.5-5-6-7-8-10-12-14-18-20-22江陰4260結構管20#（GB/T8162-1999）114×4.5-5-6-7-8-10-12-14-18-20江陰4250結構管20#（GB/T8162-2000）121×4.5-5-6-7-8-10-12-14-16-20江陰4310結構管20#（GB/T8162-2001）127×4.5-5-6-7-8-10-12-14-16-20江陰4300結構管20#（GB/T8162-2002）133×4.5-6-8-12-14-16-18-20-25-30江陰4300結構管20#（GB/T8162-2003）140×5-6-7-8-9-10-12-14-16-20-22江陰4320結構管20#（GB/T8162-2004）146×4.5-6-8-12-14-16-18-20-25-30江陰4310結構管20#（GB/T8162-2005）152×4.5-6-8-12-14-16-18-20-25-30江陰4320結構管20#（GB/T8162-2006）159×16-18-20-22-25-30江陰4270結構管20#（GB/T8162-2007）168×8-10-12-14-20-25-30-35江陰4250結構管20#（GB/T8162-2008）180×8-12-16-25-30江陰4290結構管20#（GB/T8162-2009）180×32-34-38-40-45-50江陰4280結構管20#（GB/T8162-2010）194×6-8-12-16-20-25-30-40-45-50江陰4280結構管20#（GB/T8162-2011）203×6-7-10-15-20-25-30江陰4260結構管20#（GB/T8162-2012）203×32-36-40-45-50江陰4250結構管20#（GB/T8162-2013）245×25-28-30-34-40江陰4270結構管20#（GB/T8162-2014）273×7-9-12-15-18-20-25江陰4290結構管20#（GB/T8162-2015）245×25-28-30-34-40江陰4290結構管20#（GB/T8162-2016）273×7-9-12-15-18-20-25江陰4260結構管20#（GB/T8162-2017）273×30-35-38-40-45-50江陰4280結構管20#（GB/T8162-2018）299×8-12-16-20-24-28江陰4300結構管20#（GB/T8162-2019）299×30-32-36-38-40-45江陰4310結構管20#（GB/T8162-2020）325×8-12-14-18-38-42江陰4270結構管20#（GB/T8162-2021）325×28-32-34-38-42江陰4280結構管20#（GB/T8162-2022）351×10-16-20-25-40江陰4290結構管20#（GB/T8162-2023）355×6-18-20-25-30-40/52江陰4300結構管20#（GB/T8162-2024）377×8-12-15-20-24-28江陰4290結構管20#（GB/T8162-2025）377×30-37-40-45-50江陰4300結構管20#（GB/T8162-2026）402×10-15-20-25-30-35江陰4290結構管20#（GB/T8162-2027）406×10-20-25-28-35-40江陰4290結構管20#（GB/T8162-2028）426×10-12-14-16-20-25-30-35-40江陰4300結構管20#（GB/T8162-2029）450×10-12-14-16-20-25-34-40-50江陰4290結構管20#（GB/T8162-2030）480×10-12-14-16-18-20-25-30-40江陰4290結構管20#（GB/T8162-2031）500×10-12-14-16-20-25-34-40-50江陰4310結構管20#（GB/T8162-2032）510×10-12-14-16-20-25-34-40-50江陰4310結構管20#（GB/T8162-2033）530×10-12-14-16-18-20-30-40江陰4310