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					| 矩形管尺寸|矩形管规格表|矩形钢管尺寸|矩形钢管规格表(1) |  
					
						|  双击自动滚屏 | 
						发布者:管理员 发布时间:2011/9/15 阅读:2687次 【字体:大 中 小】 | 
					 
					
   
矩形结构管材的尺寸与特性(1) 
| 
 尺  寸  | 
 特  性**  |  
| 
 公称*尺寸  | 
 壁厚  | 
 每英尺重量  | 
 截面积  | 
 X-X轴  | 
 Y-Y轴  |  
| 
 Ix  | 
 Sx  | 
 rx  | 
 Iy  | 
 Sy  | 
 ry  |  
| 
 ln.  | 
 ln.  | 
 Lb.  | 
 ln.2  | 
 ln.4  | 
 ln.3  | 
 ln.  | 
 ln.4  | 
 ln.3  | 
 ln.  |  
| 
 20×12  | 
 .5000  | 
 1/2  | 
 103.30  | 
 30.4  | 
 1650  | 
 165  | 
 7.37  | 
 750  | 
 125.0  | 
 4.97  |  
| 
 .3750  | 
 3/8  | 
 78.52  | 
 23.1  | 
 1280  | 
 128  | 
 7.44  | 
 583  | 
 97.2  | 
 5.03  |  
| 
 .3125  | 
 5/16  | 
 65.87  | 
 19.4  | 
 1080  | 
 108  | 
 7.47  | 
 495  | 
 82.5  | 
 5.06  |  
| 
 20×8  | 
 .5000  | 
 1/2  | 
 89.68  | 
 26.4  | 
 1270  | 
 127  | 
 6.94  | 
 300  | 
 75.1  | 
 3.38  |  
| 
 .3750  | 
 3/8  | 
 68.31  | 
 20.1  | 
 988  | 
 98.8  | 
 7.02  | 
 236  | 
 59.1  | 
 3.43  |  
| 
 .3125  | 
 5/16  | 
 57.36  | 
 16.9  | 
 838  | 
 83.8  | 
 7.05  | 
 202  | 
 50.4  | 
 3.46  |  
| 
 20×4  | 
 .5000  | 
 1/2  | 
 76.07  | 
 22.4  | 
 889  | 
 88.9  | 
 6.31  | 
 61.6  | 
 30.8  | 
 1.66  |  
| 
 .3750  | 
 3/8  | 
 58.10  | 
 17.1  | 
 699  | 
 69.9  | 
 6.40  | 
 50.3  | 
 25.1  | 
 1.72  |  
| 
 .3125  | 
 5/16  | 
 48.86  | 
 14.4  | 
 596  | 
 59.6  | 
 6.44  | 
 43.7  | 
 21.8  | 
 1.74  |  
| 
 18×6  | 
 .5000  | 
 1/2  | 
 76.07  | 
 22.4  | 
 818  | 
 90.9  | 
 6.05  | 
 141  | 
 47.2  | 
 2.52  |  
| 
 .3750  | 
 3/8  | 
 58.10  | 
 17.1  | 
 641  | 
 71.3  | 
 6.13  | 
 113  | 
 37.6  | 
 2.57  |  
| 
 .3125  | 
 5/16  | 
 48.86  | 
 14.4  | 
 546  | 
 60.7  | 
 6.17  | 
 97.0  | 
 32.3  | 
 2.60  |  
| 
 16×12  | 
 .5000  | 
 1/2  | 
 89.68  | 
 26.4  | 
 962  | 
 120  | 
 6.04  | 
 618  | 
 103.0  | 
 4.84  |  
| 
 .3750  | 
 3/8  | 
 68.31  | 
 20.1  | 
 748  | 
 93.5  | 
 6.11  | 
 482  | 
 80.3  | 
 4.90  |  
| 
 .3125  | 
 5/16  | 
 57.36  | 
 16.9  | 
 635  | 
 79.4  | 
 6.14  | 
 409  | 
 68.2  | 
 4.93  |  
| 
 16×8  | 
 .5000  | 
 1/2  | 
 76.07  | 
 22.4  | 
 722  | 
 90.2  | 
 5.68  | 
 244  | 
 61.0  | 
 3.30  |  
| 
 .3750  | 
 3/8  | 
 58.10  | 
 17.1  | 
 565  | 
 70.6  | 
 5.75  | 
 193  | 
 48.2  | 
 3.36  |  
| 
 .3125  | 
 5/16  | 
 48.86  | 
 14.4  | 
 481  | 
 60.1  | 
 5.79  | 
 165  | 
 41.2  | 
 3.39  |  
| 
 16×4  | 
 .5000  | 
 1/2  | 
 62.46  | 
 18.4  | 
 481  | 
 60.2  | 
 5.12  | 
 49.3  | 
 24.6  | 
 1.64  |  
| 
 .3750  | 
 3/8  | 
 47.90  | 
 14.1  | 
 382  | 
 47.8  | 
 5.21  | 
 40.4  | 
 20.2  | 
 1.69  |  
| 
 .3125  | 
 5/16  | 
 40.35  | 
 11.9  | 
 327  | 
 40.9  | 
 5.25  | 
 35.1  | 
 17.6  | 
 1.72  |  
| 
 14×10  | 
 .5000  | 
 1/2  | 
 76.07  | 
 22.4  | 
 608  | 
 86.9  | 
 5.22  | 
 361  | 
 72.3  | 
 4.02  |  
| 
 .3750  | 
 3/8  | 
 58.10  | 
 17.1  | 
 476  | 
 68.0  | 
 5.28  | 
 284  | 
 56.8  | 
 4.08  |  
| 
 .3125  | 
 5/16  | 
 48.86  | 
 14.4  | 
 405  | 
 57.9  | 
 5.31  | 
 242  | 
 48.4  | 
 4.11  |   
*指平直边的外部尺寸 
**特性是根据外圆角公称半径等于壁厚的两倍计算的。 
 
 
 
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