高频焊接方矩形钢管（结构用空心冷弯型钢）

适用：建筑、机械制造、光伏、家具、特种车辆框架制造、集装箱制造、装修等。

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详情介绍

产品名称：高频焊接方矩形钢管（结构用空心冷弯型钢）

执行标准：GB/T6728-2017

产品介绍：采用高频电阻焊接工艺制造，冷弯成型的方矩形钢管。

适用：建筑、机械制造、光伏、家具、特种车辆框架制造、集装箱制造、装修等。

边长 mm	尺寸允许偏差 mm	壁厚 mm	理论重量 kg/m	截面面积 cm²	惯性矩 cm⁴	惯性半径 cm	截面模数 cm³	扭转常数
B	±△	t	M	A	I_x=I_y	r_x=r_y	w_x=w_y	I_t cm⁴	C_t cm³
20	士0.50	1.2 1.5 1.75 2.0	0.679 0.826 0.941 1.050	0.865 1.052 1.199 1.340	0.498 0.583 0.642 0.692	0.759 0.744 0.732 0.720	0.498 0.583 0.642 0.692	0.823 0.985 1.106 1.215	0.75 0.88 0.98 1.06
25	士0.50	1.2 1.5 1.75 2.0	0.867 1.061 1.215 1.363	1.105 1.352 1.548 1.736	1.025 1.216 1.357 1.482	0.963 0.948 0.936 0.923	0.820 0.973 1.086 1.186	1.655 1.998 2.261 2.502	1.24 1.47 1.65 1.80
30	±0.50	1.5 1.75 2.0 2.5 3.0	1.296 1.490 1.677 2.032 2.361	1.652 1.898 2.136 2.589 3.008	2.195 2.470 2.721 3.154 3.500	1.152 1.140 1.128 1.103 1.078	1.463 1.646 1.814 2.102 2.333	3.555 4.048 4.511 5.347 6.060	2.21 2.49 2.75 3.20 3.58
40	士0.50	1.5 1.75 2.0 2.5 3.0 4.0	1.767 2.039 2.305 2.817 3.303 4.198	2.525 2.598 2.936 3.589 4.208 5.347	5.489 6.237 6.939 8.213 9.320 11.064	1.561 1.549 1.537 1.512 1.488 1.438	2.744 3.118 3.469 4.106 4.660 5.532	8.728 10.009 11.238 13.539 15.628 19.152	4.13 4.69 5.23 6.21 7.07 8.48
50	士0.50	1.5 1.75 2.0 2.5 3.0 4.0	2.238 2.589 2.933 3.602 4.245 5.454	2.852 3.298 3.736 4.589 5.408 6.947	11.065 12.641 14.146 16.941 19.463 23.725	1.969 1.957 1.945 1.921 1.897 1.847	4.426 5.056 5.658 6.776 7.785 9.490	17.395 20.025 22.578 27.436 31.972 40.047	6.65 7.60 8.51 10.22 11.77 14.43
60	士0.60	2.0 2.5 3.0 4.0 5.0	3.560 4.387 5.187 6.710 8.129	4.540 5.589 6.608 8.547 10.356	25.120 30.340 35.130 43.539 50.468	2.350 2.329 2.305 2.256 2.207	8.380 10.113 11.710 14.513 16.822	39.810 48.539 56.892 72.188 85.560	12.60 15.22 17.65 21.97 25.61
70	士0.65	2.5 3.0 4.0 5.0	5.170 6.129 7.966 9.699	6.590 7.808 10.147 12.356	49.400 57.522 72.108 84.602	2.740 2.714 2.665 2.616	14.100 16.434 20.602 24.172	78.500 92.188 117.975 141.183	21.20 24.74 31.11 36.65
80	士0.70	2.5 3.0 4.0 5.0	5.957 7.071 9.222 11.269	7.589 9.008 11.747 14.356	75.147 87.838 111.031 131.414	3.147 3.122 3.074 3.025	18.787 21.959 27.757 32.853	118.52 139.660 179.808 216.628	28.22 33.02 41.84 49.68
90	士0.75	3.0 4.0 5.0 6.0	8.013 10.478 12.839 15.097	10.208 13.347 16.356 19.232	127.277 161.907 192.903 220.420	3.531 3.482 3.434 3.385	28.283 35.979 42.867 48.982	201.108 260.088 314.896 365.452	42.51 54.17 64.71 74.16
100	士0.80	4.0 5.0 6.0	11.734 14.409 16.981	11.947 18.356 21.632	226.337 271.071 311.415	3.891 3.842 3.794	45.267 54.214 62.283	361.213 438.986 511.558	68.10 81.72 94.12
110	士0.90	4.0 5.0 6.0	12.99 15.98 18.866	16.548 20.356 24.033	305.94 367.95 424.57	4.300 4.252 4.203	55.625 66.900 77.194	486.47 593.60 694.85	83.63 100.74 116.47
120	±0.90	4.0 5.0 6.0 8.0	14.246 17.549 20.749 26.840	18.147 22.356 26.432 34.191	402.260 485.441 562.094 696.639	4.708 4.659 4.611 4.513	67.043 80.906 93.683 116.106	635.603 776.632 910.281 1155.010	100.75 121.75 141.22 174.58
130	士1.00	4.0 5.0 6.0 8.0	15.502 19.120 22.634 28.921	19.748 24.356 28.833 36.842	516.97 625.68 726.64 882.86	5.117 5.068 5.020 4.895	79.534 96.258 111.79 135.82	814.72 998.22 1173.6 1502.1	119.48 144.77 168.36 209.54
140	士1.10	4.0 5.0 6.0 8.0	16.758 20.689 24.517 31.864	21.347 26.356 31.232 40.591	651.598 790.523 920.359 1153.735	5.524 5.476 5.428 5.331	53.085 112.931 131.479 164.819	1022.176 1253.565 1475.020 1887.605	139.8 169.78 197.9 247.69
150	土1.20	4.0 5.0 6.0 8.0	18.014 22.26 26.402 33.945	22.948 28.356 33.633 43.242	807.82 982.12 1145.9 1411.8	5.933 5.885 5.837 5.714	107.71 130.95 152.79 188.25	1264.8 1554.1 1832.7 2364.1	161.73 196.79 229.84 289.03
160	士1.20	4.0 5.0 6.0 8.0	19.270 23.829 28.285 36.888	24.547 30.356 36.032 46.991	987.152 1202.317 1405.408 1776.496	6.341 6.293 6.245 6.148	123.394 150.289 175.676 222.062	1540.134 1893.787 2234.573 2876.940	185.25 225.79 264.18 333.56
170	士1.30	4.0 5.0 6.0 8.0	20.526 25.400 30.170 38.969	26.148 32.356 38.433 49.642	1191.3 1453.3 1701.6 2118.2	6.750 6.702 6.654 6.532	140.15 170.97 200.18 249.2	1855.8 2285.3 2701.0 3503.1	210.37 256.80 300.91 381.28
180	土1.40	4.0 5.0 6.0 8.0	21.800 27.000 32.100 41.500	27.70 34.40 40.80 52.80	1422 1737 2.037 2546	7.16 7.11 7.06 6.94	158 193 226 283	2210 2724 3223 4189	237 290 340 432
190	±1.50	4.0 5.0 6.0 8.0	23.00 28.50 33.90 44.00	29.30 36.40 43.20 56.00	1680 2055 2413 3208	7.57 7.52 7.47 7.35	176 216 254 319	2607 3216 3807 4958	265 325 381 486
200	土1.60	4.0 5.0 6.0 8.0 10	24.30 30.10 35.80 46.50 57.00	30.90 38.40 45.60 59.20 72.60	1968 2410 2833 3566 4251	7.97 7.93 7.88 7.76 7.65	197 241 283 357 425	3049 3763 4459 5815 7072	295 362 426 544 651
220	土1.80	5.0 6.0 8.0 10 12	33.2 39.6 51.5 63.2 73.5	42.4 50.4 65.6 80.6 93.7	3238 3813 4828 5782 6487	8.74 8.70 8.58 8.47 8.32	294 347 439 526 590	5038 5976 7815 9533 11149	442 521 668 804 922
250	士2.00	5.0 6.0 8.0 10 12	38.0 45.2 59.1 72.7 84.8	48.4 57.6 75.2 92.6 108	4805 5672 7229 8707 9859	9.97 9.92 9.80 9.70 9.55	384 454 578 697 789	7443 8843 11598 14197 16691	577 681 878 1062 1226
280	士2.20	5.0 6.0 8.0 10 12	42.7 50.9 66.6 82.1 96.1	54.4 64.8 84.8 104.6 122.5	6810 8054 10317 12479 14232	11.2 11.1 11.0 10.9 10.8	486 575 737 891 1017	10513 12504 16436 20173 23804	730 863 1117 1356 1574
300	士2.40	6.0 8.0 10 12	54.7 71.6 88.4 104	69.6 91.2 113 132	9964 12801 15519 17767	12.0 11.8 11.7 11.6	664 853 1035 1184	15434 20312 24966 29514	997 1293 1572 1829
350	±2.80	6.0 8.0 10 12	64.1 84.2 104 123	81.6 107 133 156	16008 20618 25189 29054	14.0 13.9 13.8 13.6	915 1182 1439 1660	24683 32557 40127 47598	1372 1787 2182 2552
400	±3.20	8.0 10 12 14	96.7 120 141 163	123 153 180 208	31269 38216 44319 50414	15.9 15.8 15.7 15.6	1564 1911 2216 2521	48934 60431 71843 82735	2362 2892 3395 3877
450	±3.60	8.0 10 12 14	109 135 160 185	139 173 204 236	44966 55100 64164 73210	18.0 17.9 17.7 17.6	1999 2449 2851 3254	70043 86629 103150 119000	3016 3702 4357 4989
500	士4.00	8.0 10 12 14 16	122 151 179 207 235	155 193 228 264 299	62172 76341 89187 102010 114260	20.0 19.9 19.8 19.7 19.6	2487 3054 3568 4080 4570	96483 119470 142420 164530 186140	3750 4612 5440 6241 7013
注：表中理论重量按密度7.85g/cm³计算。