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H型钢参数特性(DOC)

来源:动视网 责编:小OO 时间:2025-09-27 20:18:26
文档

H型钢参数特性(DOC)

H型钢、H型钢桩的规格标记采用:高度H×宽度B×腹板厚度t1×翼缘厚度t2表示。H340×250×9×14剖分T型钢的规格标记采用:高度h×宽度B×腹板厚度t1×翼缘厚度t2表示。T248×199×9×14GB/T11263-1998表1宽、中、窄翼缘H型钢截面尺寸、截面面积、理论重量和截面特性类别型号(高度×宽度)截面尺寸,mm截面面积cm2理论重量kg/m截面特性参数H×Bt1t2r惯性矩,cm4惯性半径,cm截面模数,cm3IxIYixiYWxWYHW100×100100×1006810
推荐度:
导读H型钢、H型钢桩的规格标记采用:高度H×宽度B×腹板厚度t1×翼缘厚度t2表示。H340×250×9×14剖分T型钢的规格标记采用:高度h×宽度B×腹板厚度t1×翼缘厚度t2表示。T248×199×9×14GB/T11263-1998表1宽、中、窄翼缘H型钢截面尺寸、截面面积、理论重量和截面特性类别型号(高度×宽度)截面尺寸,mm截面面积cm2理论重量kg/m截面特性参数H×Bt1t2r惯性矩,cm4惯性半径,cm截面模数,cm3IxIYixiYWxWYHW100×100100×1006810
H型钢、H型钢桩的规格标记采用:高度H×宽度B×腹板厚度t1×翼缘厚度t2表示。H 340×250×9×14

剖分T型钢的规格标记采用:高度h × 宽度B ×腹板厚度t1×翼缘厚度t2表示。T 248×199×9×14 

GB/T 11263-1998 
表1 宽、中、窄翼缘H型钢截面尺寸、截面面积、理论重量和截面特性

类别型号

(高度×宽度)

截面尺寸,mm

截面

面积

cm2

理论

重量

kg/m

截面特性参数
H×B

t1

t2

r惯性矩,cm4

惯性半径,cm

截面模数,cm3

IxIYixiYWxWY
HW100×100

100×100

681021.9017.2383 1344.182.4776.526.7
125×125

125×125

6.591030.3123.88472945.293.1113647.0 
150×150

150×150

7101340.5531.9166056.393.7322175.1
175×175

175×175

7.5111351.4340.329009847.54.37331112
200×200

200×200

81216.2850.5477016008.614.99477160
#200×204

12121672.2856.7503017008.354.85503167
250×250

250×250

9141692.1872.410800365010.86.29867292
#250×255

141416104.782.211500388010.56.09919304
300×300

#294×302

121220108.38517000552012.57.141160365
300×300

101520120.494.520500676013.17.491370450
300×305

151520135.410621600710012.67.241440466
350×350

#344×348

101620146115333001120015.18.7819406
350×350

121920173.9137403001360015.28.842300776
400×400

#388×402

151524179.2141492001630016.69.522540809
#394×398

111824187.614750010017.310.02860951
400×400

132124219.5172669002240017.510.133401120
#400×408

212124251.5197711002380016.89.7335601170
#414×405

182824296.2233930003100017.710.244901530
#428×407

203524361.42841190003940018.210.455801930
*458×417

305024529.34151870006050018.810.781802900
*498×432

457024770.86052980009440019.711.1120004370
HM150×100

148×100

691327.2521.410401516.172.3514030.2
200×150

194×150

691639.7631.227405088.33.5728367.7
250×175

244×175

7111656.2444.1612098510.44.18502113
300×200

294×200

8122073.0357.311400160012.54.69779160
350×250

340×250

91420101.579.721700365014.661280292
400×300

390×300

101624136.7107300721016.97.262000481
450×300

440×300

111824157.412456100811018.97.182550541
500×300

482×300

111528146.411560800677020.46.82520451
488×300

1118281.412971400812020.87.032930541
600×300

582×300

121728174.5137103000767024.36.633530511
588×300

122028192.5151118000902024.86.854020601
#594×302

142328222.41751370001060024.96.90 4620701
GB/T 11263-1998 
表1 (完)

类别型号

(高度×宽度)

截面尺寸,mm

截面

面积

cm2

理论

重量

kg/m

截面特性参数
H×B

t1

t2

r惯性矩,cm4

惯性半径,cm

截面模数,cm3

Ix

IY

ix

iY

Wx

WY

HN100×50

100×50

571012.169.54192 14.93.981.1138.55.96
126×60

125×60

681017.0113.341729.34.951.3166.89.75 
150×75

150×75

571018.1614.367949.66.121.6590.613.2
175×90

175×90

581023.2118.2122097.67.262.0514021.7
200×100

198×99

4.571323.5918.516101148.272.2016323.0
200×100

5.581327.5721.718801348.252.2118826.8
250×125

248×124

581332.25.8356025510.42.7828741.1
250×125

691337.8729.7408029410.42.7932647.0
300×150

298×149

5.581641.5532.66044312.43.2643359.4
300×150

6.591647.5337.3735050812.43.2749067.7
346×174

691653.1941.81120079214.53.86991.0
350×175

350×175

7111663.6650.01370098514.73.93782113
#400×150

#400×150

8131671.1255.81880073416.33.2194297.9
400×200

396×199

7111672.1656.720000145016.74.481010145
400×200

8131684.1266.023700174016.84.541190174
#450×150

#450×150

9142083.4165.52710079318.03.081200106
450×200

446×199

8122084.9566.729000158018.54.311300159
450×200

9142097.4176.533700187018.64.381500187
#500×150

#500×150

10162098.2377.13850090719.83.041540121
496×199

91420101.379.541900184020.34.271690185
500×200

500×200

101620114.2.647800214020.54.331910214
#506×201

111920131.310356500258020.84.432230257
596×199

101524121.295.169300198023.94.042330199
600×200

600×200

111724135.210678200228024.14.112610228
#606×201

122024153.312091000272024.44.213000271
700×300

#692×300

132028211.5166172000902028.66.534980602
700×300

132428235.51852010001080029.36.785760722
*800×300

*729×300

142228243.4191254000993032.36.3900662
*800×300

142628267.42102920001170033.06.627290782
*900×300

*0×299

152328270.92133450001030035.76.167760688
*900×300

162828309.82434110001260036.46.399140843
*912×302

18342832864980001570037.06.56 109001040
 

 

1 “#”表示的规格为非常用规格。

2 “*”表示的规格,目前国内尚未生产。

3 型号数同一范围的产品,其内侧尺寸高度是一致的。

4 截面面积计算公式为“t1(H-2t2)+2Bt2+0.858r2”。

GB/T 11263-1998

表2 H型钢桩截面尺寸、截面面积、理论重量和截面特性

类别型号

(高度*宽度)

截面尺寸,mm

截面

面积

cm2

理论

重量

kg/m

截面特性参数
H×B

t1

t2

r惯性矩,cm4

惯性半径,cm

截面模数,cm3

表面

面积

m2/m

IxIYixiYWxWY
HP

 

 

200×200

200×204

12121672.2856.75030 17008.354.855031671.16
250×250

244×252

11111682.05.48790294010.45.987202331.45
250×255

141416104.782.211500388010.56.099193041.46
300×300

294×302

121220108.385.017000552012.57.1311503651.74
300×300

101520120.494.520500676013.17.4913704501.75
300×305

151520135.410621600711012.67.2414404661.76
350×350

338×351

131320135.310628200938014.48.3316705352.02
344×354

161620166.6131353001180014.68.4320506692.04
350×350

121920173.9137403001360015.28.8423007762.04
350×357

191920198.4156428001440014.78.5324508092.06
400×400

388×402

151524179.2141492001630016.69.5225408092.31
394×405

181824215.2169599002000016.79.6330409862.33
400×400

132124219.5172669002240017.510.1334011202.33
400×408

212124251.5197711002380016.89.73356011702.35
414×405

182824296.2233930003100017.710.2449015302.37
428×407

203524361.42841190003940018.210.4558019302.40
* 500×500

* 492×465

152028260.52041180003350021.311.4481014402.77
* 502×465

152528307.02411470004190021.911.7586018002.79
* 502×470

202528332.12611520004330021.411.4607018402.80

1 “*”表示的规格,目前国内尚未生产。

2 型号数同一范围的产品,其内侧尺寸高度是一致的。

3 截面面积计算公式为“t1(H-2t2)+2Bt2+0.858r2”。

 

GB/T 11263-1998

表3 剖分T型钢截面尺寸、截面面积、理论重量和截面特性

类别型号

(高度×宽度)

截面尺寸,mm

截面

面积

cm2

理论

重量

kg/m

截面特性参数对应

H型钢

系列

hBt1

t2

r惯性矩

cm4

惯性半径

cm

截面模数

cm3

重心cm

IxIYixiYWxWY

Cx型号
TW50×100

50100681010.958.5616.166.91.21

2.474.0313.41.00100×100

62.5×125

62.51256.591015.1611.935.01471.523.116.9123.51.19125×125

75×150

751507101320.2815.966.42821.813.7310.837.61.37150×150

87.5×175

87.51757.5111325.71

20.21154922.114.3715.956.21.55175×175

100×200

1002008121632.14

25.21858012.404.9922.380.11.73200×200

#10020412121636.14

28.32568512.664.8532.483.52.09
125×250

1252509141646.0936.24121 8202.996.2939.51462.08250×250

#12525514141652.3441.151 9403.366.0959.41522.58
150×300

#14730212122054.16

42.58582 7603.987.1472.31832.83300×300

15030010152060.2247.37983 3803.7.4963.72252.47
15030515152067.7253.11 1103 5504.057.2492.52333.02
175×350

#17234810162073.0057.31 2305 6204.118.7884.73232.67350×350

17535012192086.9468.21 5206 7904.188.841043882.86
200×400

#194402151524.6270.32 4808 1305.269.521584053.69400×400

#19739811182493.8073.62 0509 4604.6710.01234763.01
200400132124109.786.12 48011 2004.7510.11475603.21
#200408212124125.798.73 65011 9005.399.732295844.07
#207405182824148.11163 62015 5004.9510.22137663.68
#214407203524180.71424 38019 7004.9210.42509673.90
TM74×100

74100691313.6310.751.775.41.952.358.8015.11.55150×100

97×150

97150691619.8815.61252542.503.5715.833.91.78200×150

122×175

1221757111628.1222.124923.204.1829.156.32.27250×175

147×200

1472008122036.5228.75728023.964.6948.280.22.82300×200

170×250

1702509142050.7639.91 0201 8304.486.0073.11463.09350×250

200×300

19530010162468.3753.71 7303 6005.037.261082403.40400×300

220×300

22030011182478.6961.82 6804 0605.847.181502704.05450×300

250×300

24130011152873.2357.53 4203 3806.836.801782264.90500×300

24430011182882.23.53 6204 0606.

7.031842714.65
300×300

29130012172887.2568.56 3603 8308.546.632802566.39600×300

29430012202896.2575.56 7104 5108.356.852883016.08
#297302142328111.287.37 9205 2908.446.903393516.33
 
 
 

GB/T 11263-1998

表3(完)

类别型号

(高度×宽度)

截面尺寸,mm

截面

面积

cm2

理论

重量

kg/m

截面特性参数对应

H型钢

系列

hBt1

t2

r惯性矩

cm4

惯性半径

cm

截面模数

cm3

重心cm

IxIYixiYWxWY

Cx型号
TW50×50

505057106.0794.7911.97.451.401.113.182.981.27100×50

62.5×60

62.56068108.4996.6727.514.61.801.314.964.881.63125×60

75×75

757557109.0797.1142.724.82.171.657.466.611.78150×75

87.5×90

87.590581011.609.1170.748.82.472.0510.410.81.92175×90

100×100

99994.571311.809.2694.056.92.822.2012.111.52.13200×100

1001005.581313.7910.811567.12.882.2114.813.42.27
125×125

124124581316.4512.92081283.562.7821.320.62.62250×125

125125691318.9414.82491473.622.7925.623.52.78
150×150

1491495.581620.7716.33952214.363.2333.829.73.22300×150

1501506.591623.7618.74652544.423.2740.033.93.38
175×175

173174691626.6020.96813965.063.8650.045.53.68350×175

1751757111631.8325.08164925.063.9359.356.33.74
200×200

1981997111636.0828.31 1907245.764.4876.472.74.17400×200

2002008131642.0633.01 4008685.764.5488.686.84.23
225×200

2231998122042.5433.41 8807906.654.3110979..45.07450×200

2252009142048.7138.22 1609366.664.3812493.65.13
250×200

2481999142050.39.72 8409227.494.2715092.75.90500×200

25020010162057.1244.83 2101 0707.504.331691075.96
#25320111192065.6551.53 6701 2907.484.431901285.95
TM300×200

29819910152460.6247.65 2009919.274.04236.1007.76600×200

30020011172467.6053.15 8201 1409.284.112621147.81
#30320112202476.6360.16 5801 3609.264.212921357.76
∙   

(1)分类和代号。

表1  热轧H型钢和剖分T型钢的分类和代号

类  别

分类名称代  号

1.H型钢

(1)宽翼缘H型钢

HW
(2)中翼缘H型钢

HM
(3)窄翼缘H型钢

HN
2.H型钢桩

 HP
3.剖分T型钢

(1)宽翼缘剖分T型钢

TW
(2)中翼缘剖分T型钢

TM
(3)窄翼缘剖分T型钢

TN
(2)尺寸规格见表2~表4。

(3)允许偏差见表5~表8

表2  宽、中、窄翼缘H型钢的尺寸规格

H—高度   B—宽度   t1—腹板厚度   t2—翼缘厚度   r—圆角半径

类别型号(高度×宽度)

截面尺寸/nma

截面

面积

/cm²

理论

质量

/(kg/m)

截面特性参数
H×Bt1t2r惯性矩/cm4

惯性半径/cm

截面模数/cm³

IxIyiXiYWxWy
HW100×100100×100681021.9017.23831344.182.4776.526.7
125×125125×1256.591030.3123.88472945.293.1113647.0
150×150150×1507101340.5531.9166056.393.7322175.1
175×175175×1757.5111351.4340.329009847.504.37331112
200×200200×20081216.2850.5477016008.614.99477160
#200×20412121672.2856.7503017008.354.85503167
250×250250×2509141692.1872.41080036501O.8

6.29867292
250×255141416104.782.21150038801O.5

6.09919304
300×300#294×302121220108.385.O

17000552012.57.141160365
HW300×300300×3001O1520120.494.520500676013.17.491370450
300×305151520135.410621600710012.67.241440466
350×350#344×348101620146.0115333001120015.18.7819406
350×350121920173.9137403001360015.28.842300776
400x400#388×402151524179.2141492001630016.69.522540809
#394×398111824187.614750010017.310.O

2860951
400×400132124219.5172669002240017.510.133401120
#400×408212124251.5197711002380016.89.7335601170
#414×405182824296.2233930003100017.710.244901530
#428×407203524361.42841190003940018.210.455801930
*458×417305024529.34151870006050018.810.781802900
*498×432457024770.86052980009440019.711.1120004370
HM150×100148×100691327.2521.410401516.172.3514030.2
200×150194×150691639.7631.227405088.303.5728367.7
250×175244×1757111656.2444.161209851O.4

4.18502113
HM300× 200294×2008122073.0357.311400160012.54.69779160
350×250340×25091420101.579.721700365014.66.oo

1280292
400×300390×3001O1625136.7107300721O16.97.262000481
450×300440×300111824157.412456100811018.97.182550541
500×300482×300111528146.411560800677020.4

6.802520451
488x300n18281.412971400812020.87.032930541
600×300582×300121728174.5137103000767024.36.633530511
588×300122028192.5151118000902024.86.854020601
#594×302142328222.41751370001060024.96.904620701
HN100× 50100×50571O12.169.5419214.93.981.1138.55.96
125×60125 x60681O17.0113.341729.34.951.3166.89.75
150×75150x 75571018.1614.367949.66.12I.65

90.613.2
175×90175×90581023.2118.2122097.67.262.0514021.7
200×100198×994.571323.5918.516101148.272.2016323.0
200×1005.581327.5721.718801348.252.2118826.8
HN250×125248×124581332.25.8356025510.42.7828741.1
250×125691337.8729.7408029410.42.7932647.0
300×150298×1495.581641.5532.66044312.43.2643359.4
300×1506.591647.5337.3735050812.43.2749067.7
350×175346×174691653.1941.81120079214.53.86991.0
350×1757111663.6650.01370098514.73.93782113
类别型号(高度×宽度)

截面尺寸/nma

截面

面积

/cm²

理论

质量

/(kg/m)

截面特性参数
H×Bt1t2r惯性矩/cm4

惯性半径/cm

截面模数/cm³

IxIyiXiYWxWy
HN#400×150#400×1508131671.1255.81880073416.33.2194297.9
400×200396×199711672.1656.720000145016.74.481O1O145
400×2008131684.1266.023700174016.84.541190174
#450×150#450×1509142083.4165.52710079318.O

3.081200106
450×200446×1998122084.9566.729000158018.54.311300159
450×2009142097.4176.533700187018.64.381500187
#500×150#500×15010162098.2377.13850090719.83.041540121
500×200496×19991420101.379.541900184020.34.271690185
500×200101620114.2.647800214020.54.331910214
HN500×200#506×201111920131.310356500258020.84.432230257
600×200596×199101524121.295.169300198023.94.042330199
600×20011724135.210678200228024.14.112610228
#606×201122024153.3120910()0272024.44.213000271
700×300#692×300132028211.5166172000902028.66.534980602
700×300132428235.51852010001080029.36.785760722
*800×300*792×300142228243.4191254000993032.36.3900662
*800×300142628267.42102920001170033.O

6.627290782
*900×300*0×299152328270.92133450001030035.76.167760688
*900×300162828309.82434110001260036.46.399140843
*912×3021834283.02864980001570037.06.56109001040
注:1.“#”表示的规格为非常用规格。

      2.“*”表示的规格,目前国内尚未生产。

      3.型号属同一范围的产品,其内侧尺寸高度是一致的。

      4.截面面积计算公式为“t1(H~2t2)+2Bt2+O.858 r2。”

表3  H型钢桩的尺寸规格

H—高度   B—宽度   t1—腹板厚度   t2—翼缘厚度   r—圆角半径

 类别型号(高度×宽度)

截面尺寸/mm

截面面积/cm2

理论质量/(kg/m)

截面特性参数
 H×Bt1t2r惯性矩/cm4

惯性半径/cm

截面模数/cm3

表面面积

/(m²/m)

 IxIYiXiYWxWy
 HP200×200200×20412121672.2856.7503017008.354.855031671.16
 250×250244×2521111682.05.4

8790

294010.45.987202331.45
 250×255141416104.782.211500388010.56.099193041.46
 300×300294×302121220108.385.017000552012.57.1311503651.74
 300×3001O1520120.494.520500676013.17.4913704501.75
300×305151520135.410621600711012.67.2414404661.76
350×350338×351131320135.310628200938014.48.3316705352.02
344×354161620166.6131353001180014.68.4320506692.04
HP350×350350×350121920173.9137403001360015.28.8423007762.04
350×357191920198.4156428001440014.78.5324508092.06
400×400388×402151524179.21414(12001630016.69.5225408092.31
394×405181824215.2169599002000016.79.6330409862.33
400×400132124219.5172669002240017.51O.1

334011202.33
400×408212124251.5197711002380016.89.73356011702.35
414×405182824296.2233930003100017.710.2449015302.37
428×407203524361.42841190003940018.210.4558019302.40

*500×50012×465152028260.52041180003350021.311.4481014402.77
*502×465152528307.02411470004190021.911.7586018002.79
*502×470202528332.12611520()o4330021.411.4607018402.80
注:1.“*”表示的规格,目前国内尚未生产。

    2.型号属同 一范围的产品,其内侧尺寸高度是一致的。

3.截面面积计算公式为“t1(H-2t2)+2Bt2+0.858 r²”。

表4  剖分T型钢的尺寸规格

h—高度   B—宽度   t1—腹板厚度   t2—翼缘厚度    Cx—重心   r—圆角半径

类别型号(高度×宽度)

截面尺寸/mm

截面面积

/cm2

理论质量/(kg/m)

截面特性参数对应

H型钢

系列

hBt1t2r惯性矩

/cm4

惯性半径

/cm

截面模数

/cm3

重心

/cm

IxIYiXiYWxWyCx型号
TW50×10050100681010.958.5616.16.91.212 474.0313.41.00100×100
62.5×12562.51256.591O15.1611.935.O

1471.523.116 9123.51.19125×125
75×1507515071O1320.2815.966.42821.813.7310.837.61.37150×150
87.5×17587.51757.5111325.7120.21154922.114.3715.956.21.55175×175
100×2001002008121632.1425.21858012.404.9922.380.11.73200×200
#10020412121636.1428.32568512.664.8532.483.52.09
125 ×2501252509141646.0936.241218202.996.2939.51462.08250×250
#12525514141652.3441.1519403.366.0959.41522.58
150×300#14730212122054.1642.585827603.987.1472.31832.83300×300
15030010152060.2247.379833803.7.4963.72252.47
类别型号(高度×宽度)

截面尺寸/mm

截面面积

/cm2

理论质量/(kg/m)

截面特性参数对应H型钢

系列

hBt1t2r惯性矩

/cm4

惯性半径

/cm

截面模数

/cm3

重心

/cm

IxIYiXiYWxWyCx型号
TW150×30015030515152067.7253.1111035504.057.2492.52333.02300×300
175×350#17234810162073.0057.3123056204.118.7884.73232.67350×350
17535012192086.9468.2152067904.188.841043882.86
200×400#194402151524.6270.3248081305.269.521584053.69400×400
#19739811182493.8073.6205094604.6710.O

1234763.01
200400132124109.786.12480112004.7510.11475603.21
#200408212124125.798.73650119005.399.732295844.07
#207406182824148.11163620155004.9510.22137663.68
#214407203524180.71424380197004.9210.42509673.90
TM74×10074100691313.6310.751.775.41.952.358.8015.11.55150×100
97×15097150691619.8815.61252542.503.5715.833.91.78200×150
122×1751221757111628.1222.124923.204.1829.156.32.27250×175
147×2001472008122036.5228.75728023.964.6948.280.22.2300×200
170×2501702509142050.7639.9102018304.486.0073.11463.09350×250
200×30019530010162468.3753.7173036005.037.261082403.40400×300
TM220×30022030011182478.6961.8268040605.847.181502704.05450×300
 

250×300

24130011152873.2357.5342033806.836.801782264.90 

500×300

24430011182882.23.5362040606.7.031842714.65
300×30029130012172887.2568.5636038308.546.632802566.39600×300
29430012202896.2575.5671045108.356.852883016.08
#297302142328111.287.3792052908.446.903393516.33
TN50×50505057106.∞9

4.791197.451.401.113.182.981.27100×50
62.5×6062.56068108.4996.6727.514.61.801.315.964.88

1.63125×60
75×75757557109.0797.1442.724.82.171.657.466.611.78150×75
87.5×9087.590581011.609.1170.748.82.472.05

10.410.81.92175×90
100×10099994.571311.809.2694.056.92.822.2012.111.52.13200×100
1001005.581313.7910.811567.12.882.2114.813.42.27
125×125124124581316.4512.92081283.562.7821.320.62.62250×125
125125691318.9414.82491473.622.7925.623.52.78
150×1501491495.581620.7716.33952214.363.2633.829.73.22300×150
TN150x1501501506.591623.7618.74652544.423.2740.O

33.93.38300×150
175×175173174691626.6020.96813965.06

3.8650.045.53.68350×175
1751757111631.8325.O

8164925.063.9359.356.33.74
200×2001981997111636.0828.311907245.764.4876.472.74.17400×200
200200

8

131642.0633.014008685.764.5488.686.84.23
225×2002231998122042.5433.418807906.654.3110979.45.07450×200
2252009142048.71

38.221609366.664.3812493.65.13
250×2002481999142050.39.728409227.494.2715092.75.90500×200
2502001O162057.1244.8321010707.504.331691075.96
#25320111192065.6551.5367012907.484.431901285.95
300×20029819910152460.6247.652009919.274.042361007.76600×200
30020011172467.6053.1582011409.284.11

2621147.81
#30320112202476.6360.1658013609.264.212921357.76
注:“#”表示的规格为非常用规格。

文档

H型钢参数特性(DOC)

H型钢、H型钢桩的规格标记采用:高度H×宽度B×腹板厚度t1×翼缘厚度t2表示。H340×250×9×14剖分T型钢的规格标记采用:高度h×宽度B×腹板厚度t1×翼缘厚度t2表示。T248×199×9×14GB/T11263-1998表1宽、中、窄翼缘H型钢截面尺寸、截面面积、理论重量和截面特性类别型号(高度×宽度)截面尺寸,mm截面面积cm2理论重量kg/m截面特性参数H×Bt1t2r惯性矩,cm4惯性半径,cm截面模数,cm3IxIYixiYWxWYHW100×100100×1006810
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