ICS77.140.70
H44
a园
中华人民共和国国家标准
GB/T6723--2008
代替GB/T6723--1986
通用冷弯开口型钢
尺寸、外形、重量及允许偏差
Coldformingsectionalsteel--Opensectionalsteelforgeneral
structure--Dimensions,shape,weightandpermissibletolerances
2008-08-05发布 2009-04-01实施
车瞀粥紫瓣警糌瞥星发布中国国家标准化管理委员会况111
刖 罱
GB/T6723--2008
本标准修改采用BSEN10162:2003(<冷弯型钢技术交货条件尺寸和截面公差》。本标准根据
BSEN10162:2003重新起草,主要技术差异如下:
——适用范围及截面形状分类不同;
——提高了外形尺寸、
表
关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf
面质量考核要求;
——增加了截面参数。
本标准代替GB/T67231986((通用冷弯开口型钢尺寸、外形、重量及允许偏差》。
本标准与GB/T6723—1986相比主要变化如下:
——扩大了产品规格范围;
——提高了外形尺寸公差精度;
——弯曲部分测量“内圆弧半径”修改为“外圆弧半径”,便于操作。
本标准由中国钢铁工业协会提出。
本标准由全国钢标准化技术委员会归口。
本标准主要起草单位:上海宝钢建筑工程设计研究院、武锅集团汉口轧钢厂、广州锅管厂有限公司、
佛山市志达钢管制造有限公司、上海佳艺冷弯型钢厂。
本标准主要起草人:郁螗、马越峰、张秀芳、李烨、张永祺、李健彰、张静。
本标准1986年8月首次发布。
通用冷弯开口型钢
尺寸、外形、重量及允许偏差
GB/T6723--2008
1 范围
本标准规定了通用冷弯开口型钢的分类、代号、截面尺寸及允许偏差、长度及允许偏差、外形、重量
和标记示例。
本标准适用于用可冷加工变形的冷轧或热轧钢带在连续辊式冷弯机组上生产的通用冷弯开口型
钢,以下简称型钢。
2分类、代号
型钢按其截面形状分为8种,其代号为:
a) 冷弯等边角钢(见图1) JD
b)冷弯不等边角钢(见图2) JB
c)冷弯等边槽钢(见图3) CD
d)冷弯不等边槽钢(见图4) CB
e)冷弯内卷边槽钢(见图5) CN
f)冷弯外卷边槽钢(见图6) CW
g)冷弯z形钢(见图7) z
h)冷弯卷边z形钢(见图8)zJ
3截面尺寸及允许偏差
3.1 型钢截面形状及标注符号分别如图l~图8所示。经双方
协议
离婚协议模板下载合伙人协议 下载渠道分销协议免费下载敬业协议下载授课协议下载
,可供应图1~图8所列截面形状
以外的型钢。
3.2型钢的尺寸、截面面积、理论重量及主要参数列于表1~表8。经双方协议,可供应表1~表8所
列尺寸以外的型钢。
r\
ti
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y \ 名 v
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,/ xo \ 0V
r
6
图1冷弯等边角钢
GB/T6723--2008
v
u
\
‘?≮\ \、
、,
\
^
y
\\ .?一0 K7
\kL
U/ Xo \fy
圈2冷弯不等边角钢
厂
o
,,
。L
y {
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图3冷弯等边槽钢
r\
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Ⅳ \ 石 .
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u/
,7
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图4冷弯不等边槽钢
I
, l、
一l U
o
k
2 易L
焉
图5冷弯内卷边槽钢
GB/T6723--2008
GB/T6723--2008
yL
叫,
厂 歹
, 厂
o
\ \ 、l
\ 、
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j
Z
q
图6冷弯外卷边槽钢
:
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f
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B
图7冷弯z型钢
图8冷弯卷边Z型钢
GB/T6723--2008
5
G]B/T6723--2008
表1冷弯等边角钢
规 格 尺寸/mm
理论重量/ 截面面积/ 重心y0/
(kg/m) cm
b×b×t b
20×20×1.2 1.2 0.354 0.451 O.559
20
20×20×20 2 0 0.566 0.721 0.599
30×30×1.6 1.6 0.714 0.909 0.829
30×30×20 30 2.0 0.880 1.121 0.849
30×30×3.0 3.0 1.274 1.623 0.898
40×40×1.6 1 6 0.965 1.229 1.079
40×40×2.0 40 2.0 1.194 1.521 1.099
40×40×30 3.0 1.745 2.223 1.148
50×50×2.0 2.0 1.508 1.921 1.349
50×50×3.0 50 3.0 2.216 2.823 1.398
50×50×4.0 4.0 2.894 3.686 1.448
60×60×20 2.0 1.822 2321 1.599
60×60×30 60 3.0 2 687 3 423 1.648
60×60×40 4.0 3 522 4.486 l 698
70×70×3.0 3.0 3.158 4.023 1.898
70
70×70×4.0 4.0 4.150 5.286 I 948
80X80×4.0 4.0 4.778 6.086 2.198
80
80X80×50 5.0 5 895 7.510 2 247
100×100×4.O 4.0 6.034 7.686 2.698
100
100×100×5.0 5.0 7.465 9 510 2.747
150×150×6.0 6.0 13.458 17.254 4.062
150×150×8.0 150 8.0 17.685 22.673 4.169
150×150X10 10 Z1.783 27927 4.277
200×200×6.0 6 0 18.138 23.254 5.310
200×200×8.0 200 8.0 23.925 30.673 5.416
200×200×10 10 29.583 37.927 5 522
250×250×8.O 8.0 30.164 38.672 6.664
250×250×10 250 10 37.383 47.927 6.770
250×250×12 12 44.472 57.015 6.876
300×300×10 10 45.183 57.927 8.018
300×300×12 12 53.832 69.015 8.124
300
300×300×14 14 62.022 79.516 8277
300×300×16 16 70.312 90.144 8.392
6
基本尺寸与主要参数
GB/T6723--2008
惯性矩/era‘ 回转半径/era 截面模数/cm3
L=,, j。 L rt—r, W,一一矸二一 W,一一W:一
0.179 0.292 0.066 0.630 o.804 0.385 o321 0.124
0.278 0.457 0.099 0.621 0.796 0.371 0.464 0.198
0.817 1.328 0.307 o.948 1.208 0.581 0.986 0.376
0.998 1.626 o.369 0.943 1.204 0.573 1.175 o.464
1.409 2.316 0.503 o.931 1.194 o.556 1.568 0671
1 985 3.213 0.758 1.270 1.616 0.785 1 839 0.679
2.438 3.956 0.919 1.265 1.612 0.777 2 218 0.840
3.496 5.710 1.282 1 253 1.602 o759 3.043 1.226
4.848 7.845 1.850 1.588 2020 0.981 3.593 1.327
7.015 11.414 2.6l6 1.576 2 010 o.962 5.015 1 948
9 022 14.755 3.290 1.564 2.000 o.944 6 229 2.540
8.478 13.694 3 262 1.9lO 2.428 1.185 5.302 1.926
12.342 20.028 4 657 1.898 2.418 1 166 7.486 2.836
15970 26.030 5.911 1.885 2.408 1.147 9.403 3.712
19.853 32152 7.553 2 221 2826 1 370 10.456 3.891
25.799 41944 9.654 2.209 2.816 1.351 13.242 5.107
39.009 63.299 14.719 2.531 3.224 L555 17745 6 723
47.677 77.622 17.731 2.519 3.214 1.536 21.209 8.288
77.571 125.528 29613 3 176 4.041 1.962 28.749 10.623
95.237 154.539 35.335 3 164 4.031 1_943 34.659 13.132
391.442635.468 147.415 4 763 6.069 2.923 96.367 35.787
508.593830.207 186979 4.736 6.051 2.872 121.994 46.957
619.21l1016.638221.785 4.709 6.034 2.818 144.777 57.746
945.7531 529.328362.177 6.377 8.110 3.947 178.108 64381
l237149 2008393 465.905 6.351 8.091 3.897 228.425 84.829
1516.787 2472.471561.104 6.324 8.074 3.846 274.681 104.765
2 453.5593 970.580936.538 7.965 10.133 4.921 368.181 133.811
3020.3844903.3041137.464 7.939 10.114 4.87Z 446.142 165.682
3 568.8365 812.6121325.061 7.912 10.097 4.821 519.028 196.912
5 286.2528559.1382013.367 9.553 12.155 5.896 659.298 240.481
6 263.06910167.492358.645 9.526 12.138 5.846 770934 286.299
7 182.25611740.oo2624.502 9.504 12.150 5.745 867.737 330.629
8095.51613279.702911.336 9.477 12.137 5.683 964.671 374.654
7
GlI/qr6723--2008
表2冷弯不等边角钢
规格 尺寸/ram 重心/cm
理论重量/ 截面面积/
(kg/m)
B×b×t B b y0 X。 J:
30×20×20 2.0 0.723 0.921 1011 0 490 0.860
30 20
30×20×30 3.0 1.039 1.323 1.068 0.536 1.201
50×30×2.5 2.5 1.473 1.877 1.706 0.674 4.962
50 30
50×30×40 4.0 2.266 2.886 1.794 0741 7.419
60×40×2.5 2.5 1.866 2.377 1.939 0.913 9.078
60 40
60×40×4.0 4 0 2.894 3.686 2.023 0.981 13.774
70×4.0×3.0 3 0 2.452 3.123 2.402 0861 16.301
70 40
70×40×40 4.0 3.208 4.086 2.46l 0 905 21.038
80×50×30 3.0 2.923 3.723 2.631 1 096 25.450
80 50
80×50×40 4.0 3.836 4.886 2.688 1 141 33.025
100×60×3O 3.0 3 629 4.623 3 297 1.259 49.787
100×60×40 100 60 4.0 4 778 6.086 3.354 1.304 64.939
100×60×50 5 0 5.895 7.510 3.412 1 349 79.395
150×120×6.0 6.0 12054 15.454 4.500 2.962 362949
150×120×8.O150 120 80 15813 20273 4.615 3.064 470.343
150×120×10 10 19443 24927 4 732 3.167 571.010
200×160×8.0 80 21.429 27473 6.000 3.950 1 147.099
200×160×10200 160 10 24.463 33.927 6.115 4.051 1403.661
200×160×12 12 31.368 40.215 6.23l 4.1541648.244
250×220×10 10 35.043 44.927 7.188 5.6522894.335
250×220×12250 220 12 41.664 53.415 7.299 5.756 3417.040
250×220×14 14 47.826 61.316 7.466 5 904 3895.841
300×260×12 12 50.088 64215 8.686 6.638 5970.485
300×260×1li300 260 14 57.654 73.916 8.851 6.782 6 835.520
300×260×16 16 65.320 83.744 8.972 6.894 7 697.062
8
基本尺寸与主要参数
GB/T6723--2008
惯性矩/ 回转半径/ 截面模数/
j7 j。 I。 o W—。 阢一 Ⅳ⋯ W—。
o.318 1.014 o.164 0.966 o.587 1.049 0.421 o.850 o.432 o.648 o.2lo
o.441 1.42l o220 o.952 o.577 1.036 o.408 1.123 o.621 o.823 o.301
1.419 5.597 o.783 1.625 o.869 1.726 o.645 2.907 1.506 2.103 o.6lO
2.104 8.395 1.128 1.603 o.853 1.705 o.625 4.134 2.314 2.838 o,931
3.376 10665 1.790 1.954 l_191Z.117 0.867 4.682 Z.235 3.694 1.094
5.091 16.239 2.625 1 932 1.175 2098 o.843 6 807 3.463 5.184 1.686
4.142 18.092 2.351 2.284 1.151 2.406 0.867 6.785 3.545 4.810 1.319
5.317 23381 2973 2.268 1.140 2.39l o.853 8.546 4635 5.872 1 718
8.086 29.092 4.444 2.614 1.473 2.795 1.092 9.570 4,740 737l Z.07I
10449 37.810 5.664 2.599 1.462 2 781 1076 12.2816.2】8 9 151 2 708
14.34756.038 8096 3.281 1 76】 3.481 l 323 15.103 7.427 11.3893.026
18.64073177 10.4023.265 】.749 3.467 1.307 19.3569.772 14.2893.969
22.70789.55512.5363.25l 1.738 3 453 1.29l 25.26312.05316.8304.882
211.071475.64598.3754 846 3 696 5.548 2.532 80.65534.56771.26023.354
273077619.416124.0034,817 3.670 5.528 2.473 101.91645.29189.12430.559
331.066755.971146105 4.786 3.644 5.507 2421 120.67055.611104.53637.481
667.0891503.275310.9146.462 4.928 7.397 3.364 191.18381.936168.88355.360
815.Z67l846.212372.7166.432 4.902 7。377 3.314 229,544101.0922clt.25168.229
956.2612176.288428.2176 402 4.876 7.356 3.263 264.523119.707230.20280.724
2122.3464102.990913.69l8.026 6.873 9.556 4.510 402.662162.494375.504129.823
2504.2224859.1161 062.0977.998 6.847 9.538 4.459 468.151193.042435.063154.163
2 856.3115590.1191162.0337971 6.825 9.548 4.353 521.811222.1884,83.793177.455
4Z18.5668347.6481841.4039.642 8.105 1l402 5.355687.369280.120635.517217.879
4 831.2759625.7092041.0859.616 8.085 11.4125.255 772.288323.208712.367251.393
5 438.329lO876.9512 258.4409.587 8.059 11.3975.193 857.898366.039788.850284.640
9
GB/T6723--2008
表3冷弯等边槽钢
规格 尺寸/mm
理论重量/ 截面面积/ 重心x0/
(kg/m) Cm
H×B×t H B
20×10X1.5 1.5 0.401 O.511 0.324
20 lO
20X10×2.0 2.0 0.505 0.643 0.349
50×30×20 2.0 1.604 2.043 0.922
30
50X30×3.O 50 3.0 Z.314 2.947 0.975
50×50×3.0 3.0 3 256 4.147 1.850
100×50×3.0 50 3.0 4.433 5.647 1.398
100
100×50×4.0 4.0 5.788 7.373 1448
140×60×3.0 3.0 5.846 7.447 1.527
140×60X4.0 140 60 4.0 7.672 9.773 1 575
140×60×5.0 5.0 9 436 12.021 1 623
200X80X4.0 4.0 10.812 13.773 t,966
200X80×50 200 80 5.0 13361 17.0Z】 2.013
200X80×6.0 6.0 15849 20.190 2.060
250X130×6.0 6.0 22.703 29107 3.630
250 130
250×130×8.0 8.0 29755 38147 3.739
300X150×6O 6.0 26915 34,507 4.062
300X150×8.0300 】50 8.0 35.371 45347 4.169
300X150X10 10 43.566 55.854 4.277
350X180×8.0 8.0 4Z.235 54.147 4.983
350X180×10350 180 10 52.146 66.854 5.092
350X180×12 12 61.799 79.230 5.501
400×200×10 lO 59166 75.854 5.522
400XZ00×】2 400 Z00 12 70223 90.030 5 630
400×200×14 14 80.366 103.033 5.791
450×220×10 10 66.186 84.854 5.956
450×220×12450 220 12 78.647 100.830 6.063
450X220×14 14 90.194 115633 6.219
500×250×12 12 88.943 114.030 6 876
500 950
500XZ50×14 14 102.206 131.033 7.032
550×280×12 12 99.239 127.230 7.691
550 280
550×280×14 14 114.218 146.433 7.846
600×300×14 14 124.046 159.033 8.276
600 300
600X300x16 16 140624 180.287 8.392
10
基本尺寸与主要参数
GB/T6723m2008
惯性矩/ 回转半径/ 截面模数/
J; j, o 巩 W⋯ W,。i。
0.28l 0.047 0.741 0.305 0.281 0 146 0.070
O.330 0.058 0.716 0.300 0.330 0.165 0.089
8.093 1_872 1.990 0.957 3.237 2.029 0.901
11.119 2.632 1.942 0.994 4 447 2.699 1.299
17.755 10.834 2.069 1.616 7.102 5.855 3.440
87.275 14.030 3.931 1.576 17.455 10.031 3.896
111.051 18.045 3.880 1.564 22.210 12458 5.081
2ZO.977 25.929 5.447 1.865 31568 16970 5.798
284.429 33.601 5.394 1.854 40632 21324 7.594
343.066 40.823 5.342 1.842 49009 25145 9.327
821120 83686 7.721 2.464 82.112 42564 13869
1000.710 102.441 7 667 2.453 100.07l 50.886 17111
1 170.516 120.388 7 614 2.44l 117.05l 58.436 20267
2876401 497.071 9 941 4.132 230112 136934 53049
3687729 642.760 9 832 4.105 295.018 17l907 69.405
4911_518782.884 11.930 4 763 327.435 192734 71.575
6337148 1 017.186 11.822 4.736 422477 243.988 93.914
7660.498 l 238.423 11.711 4.708 510.700 289.554 115.492
10488.540 1 771.765 13.918 5.721 599.345 355562 136112
12749.074 2 166.7】3 13.809 5.693 728.519 425.513 167.858
14869.892 2542.823 13.700 5.665 849.708 462.247 203.442
18932658 3033.575 15.799 6.324 946.633 549362 209.530
22159.727 3 569.548 15.689 6.297 1 107.986 634.022 248.403
24854.034 4051.828 15.531 6.271 1242.702 699.677 285.159
26844.416 4 103.714 17.787 6.954 1193.085 689.005 255.779
3l506.135 4838.741 17.676 6.927 1400.273 798.077 303.617
35494.843 5510.415 17.520 6.903 1577.549 886061 349.180
44593.265 7 137.673 19.775 7.912 1783.731 1038.056 393.824
50455.689 8152.938 19.623 7.888 2018.228 1 159.405 453.748
60862.56810068.396 21872 8.896 2 213.184 1 309.114 495.760
69095.642 11527.579 21.722 8.873 2 512.569 1 469.230 571.975
89412.972 14364.512 23.711 9.504 2 980.432 1 735.683 661.228
100367.43016191.032 23.595 9.477 3 345.581 1 929.341 749.307
1l
GB/I_’6723--2008
表4冷弯不等边槽钢
尺寸/ 重心/
规格 惯性
mm 理论重量/ 截面面积/ cm
(kg/m)
H×B×6×£ H B 6 Xo Yo L 17
50×32×20×2.5 2.5 1.840 2.344 0.817 2.803 8.536 1.853
50 32 20
50×32×20×3.0 3.0 2.169 2.764 0.842 2.806 9.804 2.155
80×40×20×2.5 2.5 2.586 3.294 0.828 4.588 28.922 3.775
80 40 20
80×40×20×3.0 3.0 3.064 3.904 0.852 4.591 33.654 4.431
100×60×30×3.0100 30 4.242 5 404 1.3265.807 77936 14.880
60 3.0
150×60×50×3.0150 50 5.890 7.504 1304 7.793 245.87621452
200×70×60×4.0 4.0 9.832 12.6051.46910311 706.99547.735
200 70 60
200×70×60×5.0 5.0 12.06115463 1.52710.315848.96357.959
250×80×70X5.0 5.O 14.79118.9631.64712.8231 616.2009Z.101
250 80 70
250×80×70×60 6.O 17.55522507 1 69612.8251891.478108.125
300×90×80×6.0 6.0 20.83l26.7071.82215。3303222869 161726
300 90 80
300×90×80×8.0 8.0 27.25934.9471 91815.3344 115.825207.555
350×100×90×6.0 6 0 24.10730.9071.95317.8345 064502 230.463
350100 90
350×100×90×80 8.0 31627 40.S472.048178376 506.423297.08Z
400×150×100×8.0 8.0 38.49l49347 2.88221.58910787.704763.610
400 150100
400×150×100×10 10 47.46660854 2.9812160213071.444931.170
450×200×150×10 10 59.16675.8544.40223.95022328.1492337.132
450200150
450×200×150×12 12 70.22390.0304.50423.96026133.2702750.039
500×250×200×12 12 84.263108.0306.0082635540821.9905 579.208
500250 200
500×250×200×14 14 96.746124033 6.1592637l460878386 369.068
550×300×250×14 14 113.126145.0337.71428.79467847.21611314.348
550300 250
550×300×250×16 16 128.144164.2877.83128.80076016.86112738.984
1Z
基本尺寸与主要参数
GB/T6723m2008
回转半径/ 截面模数/
矩/c一
J。 J。 ● W;脚, W⋯ Ⅳ—。 W—。
8.769 1.619 1 908 o.889 1.934 O.831 3.887 3.044 2.266 o.777
lO.083 1.876 l 883 o.883 1 909 o.823 4.468 3.494 2.559 o.914
29.607 3.090 2.962 1.070 2.997 o.968 8.476 6.303 4.555 1.190
34.473 3.611 2.936 1.065 2.971 o961 9.874 7.329 5.200 1.407
80.845 11970 3.797 1.659 3.867 1 488 18.59013.41911220 3.183
246.257 21071 5.724 1.690 5.728 1 675 34.12031.54716.4404.569
707.582 47.149 7.489 I.946 7.492 1.934 72.96968.56732.4958.630
849.689 57.233 7410 1.936 7 413 1.924 87.65882304 37.956lO.590
l617.03091.271 9.232 2.204 9.234 2。194 132726 126039 55.92014.497
1892.465107.1399 167 2.192 9.170 2182 155.358147.48463753 17.152
3 223981 160.61310985 2.461 10.987 2452 219.69l210.23388763 22.531
4117270 206110 10.852 2.437 lo.854 2.429 280.637268.412108.21429.307
5 065.739229.22612.801 2.731 12.802 2.723 295.031283.980118.00528.640
6508.041295.46412.668 2.707 12669 2.699 379.096364771 145.05037359
10843.850707.46314.786 3 934 14.824 3.786 585.938499.68526495863.015
13141.358861.25514.656 3.912 14.695 3.762 7lo.482605.103312.36877.475
22430.8622234.42017157 5.551 17.196 5.427 1060.720932.282530.925149.835
26256.0752627.23517037 5.527 17.077 5.402 1242.0761090.704610.577177.468
40985.4435415.75219.439 7.186 19478 7.080 17264531548.928928.630293.766
46277.5616179.34619.276 7.166 19306 7.058 1 950.4781 747.6711034.107338.043
68086.25611075.30821.629 8.832 21.667 8.739 2 588.9952356.2971466.729507.689
7628834112467.50321.511 8.806 21549 8.711 2 901.4072639.4741626.738574.631
13
GB/T6723--2008
表5冷弯内卷边槽钢
尺寸/
规格
mill 理论重量/ 截面面积/
(kg/m)
H×B×C×t H B C
60×30×10×2.5 2.5 2.363 3.010
60 30 10
60×30×10×3.0 3.0 2.743 3.495
100×50×20×2.5 2.5 4.325 5.510
100 50 20
100×50×20×3.0 3.0 5.098 6.495
140×60×20X2.5 2.5 5.503 7.010
140 60 20
140×60×20×3.0 3.0 6.51l 8.295
180×60×20×3.0 60 7.453 9.495
180 20 3.0
180×70×20×3O 70 7 924 10.095
200×60×20×30 60 7 924 】0.095
200 20 3.O
200X70×20×30 70 8395 10695
250×40×15×3.0250 40 7.924 10095
300×40×15×3.0300 40 15 3.0 9.102 11.595
400×50×15×3.0 400 50 11.928 15195
450×70×30×8.0 6.0 28.092 36.015
450 70 30
450×70×30×8.0 8.0 36.421 46.693
500×100×40×6.0 6.0 34.176 43.815
500×100×40×8.0500 100 40 8.0 44.533 57.093
500×100×40×10 10 54.372 69708
550×120×50×8.0 8.0 51.397 65.893
550×120×50×10550 120 50 10 62.952 80.708
550×120×50×12 lZ 73.990 94.859
600×150X60×12 12 86.158 110.459
500×150X60×14 600 1SO 60 14 97.395 124.865
600×150×60×16 16 109.025 139.775
14
基本尺寸与主要参数
GB/T6723m2008
重心/ 惯性矩/ 回转半径/ 截面模数/
cl,n
X。 j: Iy o W: W⋯ W⋯
1.043 16.009 3.353 2.306 1 055 5.336 3.214 1.713
1.036 18.077 3.688 2.274 1.027 6 025 3.559 1.878
1853 84.932 19.889 3 925 1.899 16.98610730 6.321
1.848 98.550 22802 3.895 1.873 19.71212.333 7.235
1.974 212137 34.?86 5.500 2227 30.30517.615 8642
1.969 248.006 40.132 5.467 2.199 35.42920379 9.956
1.739 449.695 43.61l 6.881 2.143 49.96625.07310.235
2.106 496.693 63712 7.014 2.512 55.18830.24813.019
1 644 578.425 45041 7569 2.112 57842 27382 10.342
1.996 636643 65883 7715 2.48l 63.66432.99913167
0.790 773495 14809 8.753 1.211 61.87918.734 4.614
0.707 1231.616 15.356 10.306 1 150 82.10721.700 4664
0.783 2837843 28.888 13666 1.378 14I.89236.879 685l
1 421 8796.963 159.703 15.629 2.106 390.976112388 28.626
1 429 11030.645 182734 15.370 1.978 490.251127.87532.80l
2 297 14275.246 479.809 18.050 3.309 571.010208.88562289
2 293 18150.796 578.026 17.830 3.182 726.032252.08375.000
Z.289 21594.366 648.778 17.601 3051 863.775283433 84137
2.940 26259069 1069797 19.963 4.029 954.875363.877118.079
2.933 31484.498 1229103 19.751 3.902 1 144.891419.060135.558
2.926 36186.756 1 349.879 19.53l 3.772 1315.882461.339148.763
3.902 54745.5392755.348 21.852 4.994 1824.851706.137248.274
3.840 57733.2242867.742 21.503 4.792 1924441746.808256.966
3.819 63178.3793 010.816 21.260 4.641 2105.946788.378269.280
15
GB/T6723--2008
表6冷弯外卷边槽钢
尺寸/
规格
lnIIl 理论重量/ 截面面积/
(kg/m)
H×B×C×t H B C
30X30×16×2.5 30 30 16 2.5 2.009 2.560
50×20×15×3.0 50 20 15 3.0 2.272 2.895
60×25×32X2.5 60 25 32 2.5 3.030 3.860
60×25×32×3.0 60 25 32 3.0 3.544 4515
80×40×20×4.0 80 40 20 4.0 5.296 6 746
100×30×15X3.0 100 30 15 3.0 3 921 4995
150×40×20×4.0 4.0 7.497 9.611
150 40 20
150×40×20×5.0 5.0 8.913 11.427
200×50×30×4.0 4.O 10.305 13.Z11
200 50 30
200×50×30×5.0 5.0 12423 15.927
250×60×40X5.0 5.0 15.933 20427
250 60 40
250×60×40×6.0 6.0 18.732 24.015
300×70X50×6.0 6.0 22.944 29.415
300 70 50
300×70X50×8.0 8.0 29.557 37893
350×80×60×6.0 6.0 27.156 34.815
350 80 60
350×80×60×8.0 8.0 35.173 45.093
400×90×70×8.0 8.0 40.789 52.293
400 90 70
400×90×70×10 10 49.692 63.708
450x100×80×8.0 80 46.405 59.493
450 100 80
450×100×80×10 10 56.712 72.708
500×150×90×10 10 69.972 89.708
500 150 90
500×150×90×12 12 82.414 105.659
550×200×100×12 】2 98.326 126.059
550 200 100
550×200×100×14 14 111.591 143.065
600×250×150×14 M 138.891 178.065
600 250 150
600×250×150×16 16 156.449 200.575
16
基本尺寸与主要参数
GB/T6723m2008
重心/ 惯性矩/ 回转半径/ 截面模数/
Cm
Xo 1: jy ry 耽 矾~ W,一
1.526 6 010 3 126 1.532 1.105 2.109 2.047 2.122
0.823 13.863 1.539 2.188 0.729 3.746 1.869 1.309
1.279 42.431 3.959 3.315 1.012 7.131 3.095 3.243
1.279 49.003 4.438 3 294 0.991 8.305 3.469 3.635
1.573 79594 14.537 3.434 1.467 14.213 9.241 5.900
0.932 77.669 5 575 3.943 1.056 12.527 5.979 2.696
1.176 325.197 18.31l 5.817 1.380 35.735 15.571 6.484
1_158 370,697 19.357 5 696 1.302 41.189 16.716 6.811
1.525 834.155 44.255 7.946 1.830 56.203 29.020 12.735
1.511 976969 49376 7.832 】761 78.158 32.678 10999
1 856 2029.82899403 9.968 2 206 126.864 53.558 23.987
1.853 2342.687111.005 9.877 2.150 147.339 59.906 26.768
2.195 4 246.582197.478 1Z.010 2.591 218.896 89.967 41.098
2.19i 5304.784233.118 11.832 2.480 276291 106.398 48.475
2.533 6 973.923319.329 14.153 3.029 304.538 126.068 58.410
2.475 8804.763365.038 13.973 2.845 387.875147.490 66.070
2 773 13577.846548.603 16.114 3.239 518.238 197.837 88.101
2.868 16171507 672.6】9 15.932 3.249 621.981234.525 109.690
3.206 19821.232855920 18.253 3.793 667382 266.974 125982
3.205 23751.957987987 18.074 3.686 805.151 308.264 145.399
5.003 38191.9232907.97520633 5.694 1157.331581.246 290.885
4.992 44274.5443 291.81620470 5.582 1349.834659.418 328918
6.564 66449.9576 427.780ZZ.959 7.141 t830.577979.247 478.400
6 815 74080.3847 829.69922.755 7.398 2 052.0881148.892593.834
9 717 125436.85117163.91126.541 9.818 2 876.9921766.3801123072
9.700 13982768118879946 26.403 9.702 3 221.8361946.3861233.983
17
GB/T6723m2008
表7冷弯Z形钢
规格 尺寸/mm
惯性
理论重量/ 截面面积/
(kg/m)
H×B×t H B I: I,
80×40×2.5 2.5 2.947 3.755 37.021 9.707
80 40
80×40×3.0 3.0 3.491 4.447 43.148 11.429
100×50×25 2.5 3.732 4.755 74.429 19.321
100 50
100×50×3.0 3.0 4.433 5.647 87.275 22,837
140×70×3.0 3.0 6.291 8.065 249.769 64.316
140 70
140×70×4.0 4.0 8 272 10.605 322.421 83,925
200×100×3.0 3.0 9.099 11.665 749.379 191.180
200 100
200×100×40 4.0 12016 15.405 977.164 251.093
300×120×4.0 4.0 16.384 21.005 2 871.420 438.304
300 120
300×120X5.0 5.0 20.251 25.963 3 506.942 541.080
400×150×6.0 6 0 31.595 40507 9 598.705 1271.376
4(/0 150
400×150×8.0 8.0 41.611 53.347 12449.1】6 l661.661
表8冷弯卷边Z形钢
尺寸/
规格
mm 理论重量/ 截面面积/
(kg/m)
H×B×C×£ H B C
100×40×20×2.0 2.0 3.208 4086
100 40 20
100×40×20×25 2.5 3.933 5 010
140×50×20×2.5 2.5 5.1lO 6.510
140