尺寸（MM）符号-边长X短边X厚1-75X40X51-100X50X51-125X65X61-150X70X61-150X75X6.51-150X75X91-180X75X71-1805X90X7.51-200X70X71-200X80X7.51-200X90X81-230X80X81-230X90X8.51-250X80X81-250X90X91-250X90X11.01-280X100X91-280X100X11.51-300X90X91-300X90X101-300X100X101-300X100X121-380X100X10.51-380X100X12横断面积（CM2）8.8111.8217.1120.0923.7130.5937.234.5726.9231.3338.6536.1242.1438.5144.0751.1749.3761.3748.5755.7459.5668.8369.3935.71每公尺6.929.3613.4015.8018.6024.0021.4027.1021.1024.6030.3028.4033.1020.2034.6040.2038.8048.2038.1043.8046.80.00.5067.30重量（KG）每台尺2.102.834.004.805.657.296.507.826.407.469.238.6010.006.1210.5012.2011.7514.6011.5513.3014.2016.3816.5020.40
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