方鋼尺寸規(guī)格參數(shù)表

1、方鋼尺寸規(guī)格參數(shù)表尺寸規(guī)格見表640-表645。國標(biāo)號GB/76728-2007表6-40冷拔無縫方形鋼管的尺寸規(guī)格基本尺寸截面面積F/cm2理論質(zhì)量G/(kg/m)慣性矩Jx=Jy/cm4截面系數(shù)VX=VV/cm3ASmm1204231416182004532212725330343233783243534536345403456342456454545678504567855456786045678654567870456707845756718218458067856785100678711089注：理論質(zhì)量計算G=(A+A一式中G每米鋼管的質(zhì)量(kg/m);A方形鋼管的邊長(mm);S

2、方形鋼管的公稱壁厚(mm).以鋼管RH,鋼的密度為/cm3的計算公式。表6-41冷拔無縫矩形鋼管的尺寸規(guī)格基本尺寸截面面積F/cm2理論質(zhì)量G/(kg/m)慣性矩截面系數(shù)ABSJxJyWxwymmcm4cm3lO5l125lO,06466l14617l10l2156121682121218912101214l22081210121212229l214l224121225lO12151228111214l2116212822233012231323321623252335142323618328223715342163424020342253442302245303448302250323441

3、25538347496040454705056748060562647790604567182056100707856110757867120808967130858978140809107266,08150759101606589101128,16注：理論質(zhì)量計算。G=(A+B式中G每米鋼管的質(zhì)量(k(m);AB矩形鋼管的長與寬(mm);S矩形鋼管的公稱壁厚(mm)。以鋼管R=時，鋼的密度為7-85g/cm3的計算公式。表6-42冷拔無縫橢圓形鋼管的尺寸規(guī)格基本尺寸截面面積F/cm2理論質(zhì)量C/(kg/m)慣性矩截面系數(shù)ABSJxJYWxWymmcm4cm363841lO517112416l

4、1471155l168l188l9120101121248l12126131301013015118l0-832341714332244221215124523120-81428125025l2341723612l18l23826l2402012433215039125117125428l223125535l2156282160202130216432265351266221270352722422_8176382804028127242256290302注：理論質(zhì)量計算G=(A+B-2S)式中G每米鋼管的質(zhì)量(kg/m);A、B橢圓形鋼管的長軸、短軸(mm);S橢圓形鋼管的公稱壁厚(mm)。以鋼的密度為cm3的計算公式。表6-43冷拔無縫平橢圓形鋼管的尺寸規(guī)格基本尺寸截面面積F/cm2理論質(zhì)量C/(kg/m)慣性矩截面系數(shù)ABSJxJYWxWymmcm4cm36384193105141126l1471155l16811712186121891220lO12217128l212l225122613l227121230lO1215l23417l21361223913l21402021451525025l215l17216020213026432126622l2691712,470351272242804028127290302注：理論質(zhì)量計算G=(A+一式中G每米鋼管