STKN400/490 断面性能1 - JFEスチール株式会社 · stkn400/490 断面性能1 d t 部材柱 fa fb fc fd 構造ランク別幅厚比制限値 50（235/f）70（235/f）100（235/f）

STKN400/490 断面性能1

D

t

部材

柱

FA FB FC FD構造ランク別幅厚比制限値

左記以外50（235/F） 70（235/F） 100（235/F）

シームレス鋼管（寸法一例）

表中の断面サイズは、例としてシームレス鋼管製造可能範囲から抜粋したものです。表中に記載のないサイズの断面性能が必要な際はお申し出下さい。

備考１）

寸法　mm

ix iy Zpx==Ix Iy= ZpyZx= Zy

幅厚比種別（柱）

400N/mm2 490N/mm2D t

断面二次モーメント cm4

断面二次半径 cm

断面係数cm3

塑性断面係数cm3断面積

cm2単位質量kg/m

12.028.012.028.012.028.012.028.012.028.012.028.012.028.012.028.012.028.012.032.012.032.012.032.012.036.0

33.7864.7435.0667.7336.9572.1338.5775.9140.7280.9342.6085.3343.3587.0844.4889.7246.3794.1248.18108.4 48.74109.9 50.52114.6 52.93131.6

26.550.827.553.229.056.630.359.632.063.533.467.034.068.434.970.436.473.937.885.138.386.339.790.041.5103

3455023855684506775117816019366881,0907241,1507821,2508851,4409921,7101,0301,7801,1402,0101,3102,440

3.202.783.322.903.493.063.643.213.843.404.023.574.093.644.193.744.373.914.543.984.594.034.764.194.984.31

137100156110174114181120193131213142245145252157275172321

159104173116196126216141244154271159282168299182328197383201393216427237503

FAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFA

FAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFA

101.6

105.0

110.0

114.3

120.0

125.0

127.0

130.0

135.0

139.8

141.3

146.0

152.4

96.967.998.873.4108 81.9123 89.5


D

t

部材

柱


左記以外50（235/F） 70（235/F） 100（235/F）



備考１）

寸法　mm






断面係数cm3


cm2単位質量kg/m

12.036.012.036.012.036.012.036.012.036.012.036.012.036.012.036.012.036.012.036.012.040.012.040.012.040.012.040.016.040.016.040.0

53.53133.5 55.42139.1 56.93143.6 57.76146.1 58.92149.6 61.45157.2 62.51160.4 63.33162.9 65.22168.5 66.24171.6 67.37189.4 68.50193.1 72.01204.8 72.76207.3 100.7 221.5 102.1 225.1

42.0105 43.5109 44.7113 45.3115 46.3117 48.2123 49.1126 49.7128 51.2132 52.0135 52.9149 53.8152 56.5161 57.1163 79.0174 80.1177

1,3602,5401,5102,8601,6303,1301,7003,2901,8103,5202,0504,0502,1604,2902,2504,4902,4504,9502,5705,2102,7005,7502,8406,0903,3007,2103,4007,4705,0809,0505,3009,470

5.044.365.214.535.364.675.434.745.544.855.785.085.885.175.955.256.135.426.235.516.335.516.445.626.775.936.846.007.106.397.206.49

176330190359200384206398215418235463243483250498265535274555283604293629325711332729470837483865

2435172605602745962826162946463197113307393397623608153718443849303979664381,0804481,1106431,2606611,300

FAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFA

FAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFA

154.0

159.0

163.0

165.2

168.3

175.0

177.8

180.0

185.0

187.7

190.7

193.7

203.0

205.0

216.3

219.1


D

t

部材

柱


左記以外50（235/F） 70（235/F） 100（235/F）



備考１）

寸法　mm






断面係数cm3


cm2単位質量kg/m

16.040.016.040.016.040.016.040.016.040.016.040.016.040.016.040.016.040.016.040.016.040.016.040.016.040.022.040.025.040.0

108.6 241.3 113.5 253.6 114.9 257.0 117.6 263.9 126.4 285.8 129.2 292.9 142.0 324.8 152.1 350.0 154.7 356.6 162.7 376.6 170.7 396.6 175.5 408.5 193.0 452.4 265.7 460.4 314.9 485.1

85.2189 89.1199 90.2202 92.3207 99.2224 101 230 111 255 119 275 121 280 128 296 134 311 138 321 152 355 209 361 247 381

6,37011,6007,27013,4007,53013,9008,09015,10010,00019,00010,70020,50014,20027,80017,40034,60018,40036,60021,40043,00024,70050,20026,80054,80035,60074,20049,20078,20063,60091,300

7.666.938.007.278.107.378.297.568.918.169.118.3610.0 9.2510.7 9.9510.9 10.1 11.5 10.7 12.0 11.2 12.4 11.6 13.6 12.8 13.6 13.0 14.2 13.7

5491,0006011,1106161,1406471,2107501,4207851,5009521,8601,1002,1701,1302,2601,2602,5301,3902,8201,4703,0001,7803,7102,4203,8502,9804,290

7481,5008171,6508371,6908771,7901,0102,0901,0602,1901,2802,6901,4703,1201,5203,2401,6803,6101,8504,0101,9504,2502,3605,2103,2505,3904,0305,980

FAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFA


232.0

241.8

244.5

250.0

267.4

273.1

298.5

318.5

323.8

339.7

355.6

365.1

400.0

406.4

426.0

備考１）表中の断面サイズは、例としてUOEまたは板巻き鋼管の製造可能範囲から抜粋したものです。２）製造規格により製造可能範囲が異なりますので事前にご相談下さい。3）550N/mm2, 600N/mm2鋼材については、参考値として上表の幅厚比制限式を適用した場合の部材ランクを示した。

ＵＯＥ鋼管，板巻き鋼管（寸法一例）寸法mm



断面係数cm3

塑性断面係数cm3

t ix iy Zpx==Ix Iy= ZpyZx= ZyD

幅厚比種別（柱）400N/mm2

490N/mm2

520N/mm2

550N/mm2

590N/mm2

400

450

500

550

9121619222528323640121619222528323640451216192225283236404550121619222528323640455055

110.6146.3193.0227.4261.3294.5327.2370.0411.7452.4165.1218.2257.3295.8333.8371.2420.2468.2515.2572.6184.0243.3287.1330.4373.1415.2470.5524.8578.1643.2706.9202.8268.4317.0364.9412.3459.2520.8581.3640.9713.9785.4855.3

86.8115152179205231257290323355130171202232262291330368404449144191225259293326369412454505555159211249286324360409456503560616671

21,10027,60035,60041,40046,80052,00056,90063,10068,80074,20039,60051,40059,90067,90075,60083,00092,300101,000109,000119,00054,80071,30083,20094,600106,000116,000129,000142,000154,000168,000181,00073,40095,800112,000127,000142,000157,000175,000193,000210,000229,000248,000265,000

13.813.713.613.513.413.313.213.112.912.815.515.415.315.215.115.014.814.714.614.417.317.117.016.916.816.716.616.516.316.216.019.018.918.818.718.618.518.318.218.117.917.817.6

1,0601,3801,7802,0702,3402,6002,8503,1503,4403,7101,7602,2902,6603,0203,3603,6904,1004,4904,8605,2802,1902,8503,3303,7804,2204,6405,1805,6806,1606,7207,2502,6703,4804,0704,6305,1805,7006,3807,0207,6208,3409,0109,640

1,3801,8102,3602,7603,1503,5203,8804,3404,7905,2102,3003,0203,5304,0304,5204,9905,6006,1906,7507,4102,8603,7504,4005,0305,6506,2507,0207,7708,4909,35010,2003,4704,5605,3606,1406,9007,6408,6009,53010,40011,50012,50013,500

FAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFA

FBFAFAFAFAFAFAFAFAFAFBFAFAFAFAFAFAFAFAFAFBFAFAFAFAFAFAFAFAFAFAFBFAFAFAFAFAFAFAFAFAFAFA

FBFBFAFAFAFAFAFAFAFAFBFAFAFAFAFAFAFAFAFAFBFAFAFAFAFAFAFAFAFAFAFBFBFAFAFAFAFAFAFAFAFAFA

－－－FAFAFAFAFAFAFA－－FAFAFAFAFAFAFAFA－－FAFAFAFAFAFAFAFAFA－－FAFAFAFAFAFAFAFAFAFA

－－－FAFAFAFAFAFAFA－－FAFAFAFAFAFAFAFA－－FAFAFAFAFAFAFAFAFA－－FBFAFAFAFAFAFAFAFAFA

断面積cm2

単位質量kg/m

D

t

部材

柱


左記以外50（235/F） 70（235/F） 100（235/F）


D

t

部材

柱


左記以外50（235/F） 70（235/F） 100（235/F）




断面係数cm3




490N/mm2

520N/mm2

550N/mm2

590N/mm2

600

650

700

1216192225283236404550556012161922252832364045505560651619222528323640455055606570

221.7293.6346.8399.5451.6503.2571.0637.9703.7784.6863.9941.71,018240.5318.7376.6434.0490.9547.1621.3694.4766.5855.3942.51,0281,1121,195343.8406.5468.6530.1591.1671.5751.0829.4926.01,0211,1141,2061,2971,385

1742302723143543954485015526166787397991892502963413854294885456026717408078739382703193684164645275896517278018759471,0181,088

95,800125,000146,000167,000187,000206,000231,000255,000277,000304,000329,000353,000376,000122,000160,000188,000214,000240,000265,000297,000328,000358,000393,000427,000459,000489,000517,000201,000236,000270,000302,000334,000375,000415,000453,000499,000542,000584,000623,000660,000696,000

20.820.720.620.520.320.220.120.019.819.719.519.419.222.622.422.322.222.122.021.921.721.621.421.321.121.020.824.224.124.023.923.823.623.523.423.223.022.922.722.622.4

3,1904,1704,8805,5706,2306,8807,7008,4909,24010,10011,00011,80012,5003,7704,9305,7706,5907,3908,1609,15010,10011,00012,10013,10014,10015,00015,9005,7506,7407,7008,6409,55010,70011,90013,00014,30015,50016,70017,80018,90019,900

4,1505,4606,4207,3508,2709,17010,30011,50012,60013,90015,20016,40017,6004,8906,4307,5708,6809,77010,80012,20013,60014,90016,50018,00019,50021,00022,3007,4908,81010,10011,40012,70014,30015,90017,40019,30021,20022,90024,60026,30017,900

FAFAFAFAFAFAFAFAFAFAFAFAFAFBFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFA

FBFBFAFAFAFAFAFAFAFAFAFAFAFCFBFAFAFAFAFAFAFAFAFAFAFAFAFBFBFAFAFAFAFAFAFAFAFAFAFAFA

FCFBFAFAFAFAFAFAFAFAFAFAFAFCFBFBFAFAFAFAFAFAFAFAFAFAFAFBFBFAFAFAFAFAFAFAFAFAFAFAFA

－－FBFAFAFAFAFAFAFAFAFAFA－－FBFAFAFAFAFAFAFAFAFAFAFAFCFBFBFAFAFAFAFAFAFAFAFAFAFA

－－FBFBFAFAFAFAFAFAFAFAFA－－FBFBFAFAFAFAFAFAFAFAFAFA－FBFBFBFAFAFAFAFAFAFAFAFAFA

断面積cm2

単位質量kg/m



D

t

部材

柱


左記以外50（235/F） 70（235/F） 100（235/F）




断面係数cm3




490N/mm2

520N/mm2

550N/mm2

590N/mm2

750

800

16192225283236404550556065701619222528323640455055606570

368.9436.3503.2569.4635.1721.8807.5892.2996.71,1001,2011,3011,3991,495394.1466.2537.7608.7679.1772.1864.1955.01,0671,1781,2871,3951,5011,605

2903433954474995676347007828639431,0211,0981,1743093664224785336066787508389251,0101,0951,1781,260

249,000292,000334,000375,000414,000466,000516,000564,000622,000677,000730,000780,000828,000873,000303,000356,000407,000457,000507,000570,000632,000691,000763,000832,000898,000961,0001,020,0001,080,000

26.025.925.825.625.525.425.325.125.024.824.624.524.324.227.727.627.527.427.327.227.026.926.726.626.426.226.125.9

6,6307,7808,9009,99011,10012,40013,80015,00016,60018,10019,50020,80022,10023,3007,5708,89010,20011,40012,70014,30015,80017,30019,10020,80022,40024,00025,50027,000

8,62010,20011,70013,10014,60016,50018,40020,20022,40024,50026,60028,60030,60032,5009,84011,60013,30015,00016,70018,90021,00023,10025,70028,20030,60032,90035,20037,400

FAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFA

FBFBFAFAFAFAFAFAFAFAFAFAFAFAFBFBFBFAFAFAFAFAFAFAFAFAFAFA

FCFBFBFAFAFAFAFAFAFAFAFAFAFAFCFBFBFAFAFAFAFAFAFAFAFAFAFA

FCFBFBFAFAFAFAFAFAFAFAFAFAFAFCFBFBFBFAFAFAFAFAFAFAFAFAFA

－FCFBFBFBFAFAFAFAFAFAFAFAFA－FCFBFBFBFAFAFAFAFAFAFAFAFA

断面積cm2

単位質量kg/m



D

t

部材

柱


左記以外50（235/F） 70（235/F） 100（235/F）




断面係数cm3




490N/mm2

520N/mm2

550N/mm2

590N/mm2

断面積cm2

単位質量kg/m

850

900

161922252832364045505560657019222528323640455055606570

419.2496.0572.3648.0723.1822.3920.61,0181,1381,2571,3741,4891,6031,715525.9606.8687.2767.1872.6977.21,0811,2091,3351,4601,5831,7051,825

3293894495095686467237998939861,0781,1691,2581,3464134765396026857678489491,0481,1461,2431,3381,433

365,000428,000491,000552,000611,000689,000764,000837,000925,0001,010,0001,090,0001,170,0001,240,0001,310,000510,000585,000658,000730,000823,000913,0001,000,0001,110,0001,210,0001,310,0001,400,0001,500,0001,580,000

29.529.429.329.229.128.928.828.728.528.328.228.027.827.731.231.130.930.830.730.630.430.330.129.929.829.629.4

8,58010,10011,50013,00014,40016,20018,00019,70021,80023,70025,70027,50029,30030,90011,30013,00014,60016,20018,30020,30022,30024,60026,90029,10031,20033,20035,200

11,10013,10015,10017,00018,90021,40023,90026,30029,20032,00034,80037,50040,10042,70014,70017,00019,10021,30024,10026,90029,60032,90036,20039,30042,40045,40048,300

FBFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFAFA

FCFBFBFAFAFAFAFAFAFAFAFAFAFAFBFBFAFAFAFAFAFAFAFAFAFAFA

FCFBFBFBFAFAFAFAFAFAFAFAFAFAFCFBFBFAFAFAFAFAFAFAFAFAFA

－FCFBFBFAFAFAFAFAFAFAFAFAFAFCFBFBFBFAFAFAFAFAFAFAFAFA

－FCFCFBFBFAFAFAFAFAFAFAFAFAFCFCFBFBFBFAFAFAFAFAFAFAFA



D

t

部材

柱


左記以外50（235/F） 70（235/F） 100（235/F）




断面係数cm3




490N/mm2

520N/mm2

550N/mm2

590N/mm2

断面積cm2

単位質量kg/m

950

1000

1922252832364045505560657019222528323640455055606570

555.7641.4726.5811.0922.91,0341,1441,2791,4141,5461,6781,8071,935585.6675.9765.8855.0973.11,0901,2061,3501,4921,6331,7721,9092,045

4365035706377248118981,0041,1101,2141,3171,4191,5194605316016717648569471,0601,1711,2821,3911,4991,605

602,000691,000778,000863,000973,0001,080,0001,190,0001,310,0001,440,0001,550,0001,670,0001,780,0001,890,000705,000809,000911,0001,010,0001,140,0001,270,0001,390,0001,540,0001,690,0001,830,0001,960,0002,100,0002,220,000

32.932.832.732.632.532.332.232.031.931.731.531.431.234.734.634.534.434.234.134.033.833.633.533.333.133.0

12,70014,50016,40018,20020,50022,80025,00027,60030,20032,70035,10037,40039,70014,10016,20018,20020,20022,80025,40027,80030,90033,80036,60039,30041,90044,500

16,50018,90021,40023,80027,00030,10033,10036,90040,50044,10047,60051,00054,30018,30021,00023,80026,50030,00033,50036,90041,10045,20049,20053,10056,90060,700

FAFAFAFAFAFAFAFAFAFAFAFAFAFBFAFAFAFAFAFAFAFAFAFAFAFA

FBFBFBFAFAFAFAFAFAFAFAFAFAFCFBFBFAFAFAFAFAFAFAFAFAFA

FCFBFBFBFAFAFAFAFAFAFAFAFAFCFBFBFBFAFAFAFAFAFAFAFAFA

FCFCFBFBFAFAFAFAFAFAFAFAFAFCFCFBFBFBFAFAFAFAFAFAFAFA

FCFCFCFBFBFAFAFAFAFAFAFAFAFCFCFCFBFBFBFAFAFAFAFAFAFA



D

t

部材

柱


左記以外50（235/F） 70（235/F） 100（235/F）




断面係数cm3




490N/mm2

520N/mm2

550N/mm2

590N/mm2

1100

1200

1922252832364045505560657019222528323640455055606570

645.3745.1844.3943.01,0741,2031,3321,4911,6491,8061,9602,1142,265704.9814.2922.81,0311,1741,3161,4581,6331,8061,9782,1492,3182,485

5065856637408439451,0461,1711,2951,4171,5391,6591,7785536397248099221,0331,1441,2821,4181,5531,6871,8191,951

943,0001,080,0001,220,0001,360,0001,530,0001,700,0001,870,0002,080,0002,280,0002,470,0002,660,0002,840,0003,020,0001,230,0001,410,0001,590,0001,770,0002,000,0002,230,0002,450,0002,730,0002,990,0003,250,0003,500,0003,740,0003,980,000

38.238.138.037.937.837.637.537.337.237.036.836.736.541.841.741.641.441.341.241.040.940.740.540.440.240.0

17,10019,70022,20024,60027,90031,00034,10037,80041,40044,90048,30051,70054,90020,50023,50026,60029,50033,40037,20040,90045,40049,90054,20058,30062,40066,400

22,20025,60028,90032,20036,50040,80045,00050,10055,20060,10065,00069,70074,40026,50030,50034,50038,50043,70048,80053,80060,10066,20072,20078,00083,80089,500

FBFAFAFAFAFAFAFAFAFAFAFAFAFBFBFAFAFAFAFAFAFAFAFAFAFA

FCFBFBFBFAFAFAFAFAFAFAFAFAFCFCFBFBFBFAFAFAFAFAFAFAFA

FCFCFBFBFBFAFAFAFAFAFAFAFAFCFCFCFBFBFBFAFAFAFAFAFAFA

FCFCFCFBFBFBFAFAFAFAFAFAFAFDFCFCFCFBFBFAFAFAFAFAFAFA

FDFCFCFCFBFBFBFAFAFAFAFAFAFDFDFCFCFCFBFBFAFAFAFAFAFA

断面積cm2

単位質量kg/m



D

t

部材

柱


左記以外50（235/F） 70（235/F） 100（235/F）

電縫鋼管（寸法一例）

表中の断面サイズは、例として電縫鋼管製造可能範囲から抜粋したものです。常時製造していないサイズも含みますのでご注意下さい。

備考１）

101.6

114.3

139.8

165.2

190.7

3.2 4.0 4.2 4.5 5.0 5.7 8.5 2.8 3.2 3.5 4.5 8.6 2.8 3.2 3.6 4.0 4.5 6.0 6.6 4.5 5.0 6.0 7.1 11.0 4.5 5.3 6.0 7.0 8.0 8.2

9.89212.2612.8513.7315.1717.1724.869.80811.1712.1815.5228.5612.0513.7315.4017.0719.1325.2227.6222.7225.1630.0135.2653.2926.3230.8734.8240.4045.9247.01

7.769.6310.110.811.913.519.57.708.779.5612.222.49.4610.812.113.415.019.821.717.819.823.627.741.820.724.227.331.736.036.9

1201461531621771982721531721872344012833203573944385666147348089521,1001,5901,1401,3301,4901,7101,9201,960

3.483.453.453.443.423.403.313.943.933.923.893.754.844.834.824.804.794.744.725.685.675.635.605.476.596.566.536.506.476.46

23.628.830.131.934.939.053.526.730.232.741.070.240.545.851.156.362.780.987.888.997.8115134193120139156179201206

31.038.139.942.546.752.573.934.839.543.054.396.352.659.766.873.882.4107117116128152178262156182205236267273


FAFAFAFAFAFAFAFBFAFAFAFAFBFBFBFAFAFAFAFBFAFAFAFAFBFAFAFAFAFA

寸法　mm



400N/mm2 490N/mm2外形D

板厚t A W



断面係数cm3


断面積cm2

単位質量kg/m


D

t

部材

柱


左記以外50（235/F） 70（235/F） 100（235/F）



備考１）

216.3

267.4

318.5

355.6

4.5 5.8 6.0 7.0 8.0 8.2 12.7 6.0 6.6 7.0 8.0 9.0 9.3 12.7 6.0 6.9 7.9 8.0 9.0 9.5 10.3 12.7 6.0 6.4 7.9 8.0 9.0 9.5 11.1 12.0 12.7

29.9438.3639.6446.0352.3553.6181.2349.2754.0857.2665.1973.0675.41101.6058.9167.5577.0978.0487.5192.2299.73122.065.9070.2186.2987.3698.00103.3120.1129.5136.8

23.530.131.136.141.142.163.838.742.445.051.257.359.279.846.253.060.561.368.772.478.395.851.755.167.768.676.981.194.3102107

1,6802,1302,1902,5202,8402,9104,2304,2104,6004,8605,4906,1106,2908,2607,1908,2009,3009,41010,50011,00011,90014,30010,10010,70013,00013,20014,70015,50017,80019,10020,100

7.497.457.447.407.377.367.219.249.229.219.189.149.139.0211.111.011.011.010.910.910.910.812.412.312.312.312.312.212.212.212.1

1551972032332632693913153443634114574706184525155845916596927448975666027347428288711,0001,0801,130

2022572653073473555274104494755386016208255866707627718629079791,1907337819559671,0801,1401,3201,4201,490

FAFAFAFAFAFAFAFAFAFAFAFAFAFAFBFAFAFAFAFAFAFAFBFBFAFAFAFAFAFAFA

FBFBFAFAFAFAFAFBFBFBFAFAFAFAFCFBFBFBFAFAFAFAFCFCFBFBFBFBFAFAFA

寸法　mm




板厚t A W



断面係数cm3


断面積cm2

単位質量kg/m


D

t

部材

柱


左記以外50（235/F） 70（235/F） 100（235/F）



備考１）

406.4

457.2

508.0

6.4 7.9 9.0 9.5 12.0 12.7 14.0 16.0 19.0 21.4 6.4 7.9 9.0 9.5 12.0 12.7 14.0 16.0 19.0 6.4 7.9 9.0 9.5 12.0 12.7 14.0 16.0 19.0 22.0

80.4298.90112.4118.5148.7157.1172.6196.2231.2258.890.64111.5126.7133.6167.8177.3194.9221.8261.6100.9124.1141.1148.8187.0197.6217.3247.3291.9335.9

63.177.688.293.011712313515418220371.187.599.510513213915317420579.297.4111117147155171194229264

16,10019,60022,20023,30028,90030,50033,30037,40043,50048,10023,00028,10031,80033,50041,60043,80047,90054,00062,90031,70038,80043,90046,20057,50060,60066,30074,90087,40099,400

14.114.114.114.014.013.913.913.813.713.615.915.915.815.815.715.715.715.615.517.717.717.617.617.517.517.517.417.317.2

7929671,0901,1501,4201,5001,6401,8402,1402,3701,0101,2301,3901,4701,8201,9202,1002,3602,7501,2501,5301,7301,8202,2702,3902,6102,9503,4403,910

1,0201,2501,4201,5001,8701,9702,1602,4402,8503,1801,3001,5901,8101,9002,3802,5102,7503,1203,6501,6101,9802,2402,3602,9503,1203,4203,8704,5505,200

FBFBFAFAFAFAFAFAFAFAFCFBFBFAFAFAFAFAFAFCFBFBFBFAFAFAFAFAFA

FCFCFBFBFAFAFAFAFAFAFCFCFCFBFBFAFAFAFAFDFCFCFCFBFBFBFAFAFA

寸法　mm




板厚t A W



断面係数cm3


断面積cm2

単位質量kg/m


D

t

部材

柱


左記以外50（235/F） 70（235/F） 100（235/F）



備考１）

558.8

609.6

660.4

6.4 7.9 9.0 9.5 12.0 12.7 14.0 16.0 19.0 22.0 6.4 7.9 9.0 9.5 12.0 12.7 14.0 16.0 19.0 22.0 6.4 9.5 12.0 12.7 14.0 16.0 19.0 22.0

111.1136.7155.5163.9206.1217.9239.6272.8322.2371.0121.3149.3169.8179.1225.3238.2262.0298.4352.5406.1131.5194.3244.4258.4284.3323.9382.9441.2

87.210712212916217118821425329195.2117133141177187206234277319103152192203223254301346

42,40051,90058,80061,90077,10081,30089,000101,000118,000134,00055,20067,60076,60080,600101,000106,000116,000132,000154,000176,00070,300103,000129,000136,000149,000168,000197,000225,000

19.519.519.419.419.319.319.319.219.119.021.321.321.221.221.121.121.121.020.920.823.123.022.922.922.922.822.722.6

1,5201,8602,1002,2102,7602,9103,1803,6004,2104,7901,8102,2202,5102,6503,3003,4803,8104,3105,0505,7602,1303,1203,8904,1104,5005,0905,9706,820

1,9502,4002,7202,8703,5903,7904,1604,7205,5406,3402,3302,8603,2503,4204,2904,5304,9705,6406,6307,6002,7404,0305,0505,3305,8506,6507,8208,970

FCFCFBFBFAFAFAFAFAFAFCFCFBFBFBFAFAFAFAFAFDFBFBFBFAFAFAFA

FDFCFCFCFBFBFBFAFAFAFDFDFCFCFCFBFBFBFAFAFDFCFCFCFBFBFAFA

寸法　mm




板厚t A W



断面係数cm3


断面積cm2

単位質量kg/m


Documents

STKN400/490 断面性能1 - JFEスチール株式会社 · stkn400/490 断面性能1 d t 部材 柱 fa fb fc fd 構造ランク別幅厚比制限値 50（235/f）70（235/f）100（235/f）

STKN400/490 断面性能1 - JFEスチール株式会社 · stkn400/490 断面性能1 d t 部材柱 fa fb fc fd 構造ランク別幅厚比制限値 50（235/f）70（235/f）100（235/f）