矩形钢通规格表500X300X8.0-12.0mm450X250X6.0-12.0mm400X300X6.0-12.0mm400X200X6.0-12.0mm350X250X6.0-12.0mm350X150X6.0-12.0mm300X200X6.0-12.0mm300X150X6.0-12.0mm300X100X4.0-10.0mm280X180X4.0-10.0mm250X150X4.0-10.0mm250X100X4.0-10.0mm200X150X4.0-10.0mm200X100X4.0-10.0mm200X95X4.0-10.0mm160X80X4.0-10.0mm150X100X3.0-10.0mm150X90X3.0-10.0mm150X75X3.0-8.0mm140X80X3.0-10.0mm120X100X3.0-10.0mm120X80X2.0-8.0mm120X60X2.0-5.0mm120X50X2.0-5.0mm120X40X2.0-4.0mm100X