方管有80×50的规格吗？

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--4.0mm100X80X2.0--8.0mm100X60X2.0--5.0mm100X50X1.0--5.0mm100X40X2.0--3.0mm90X60X2.0--4.0mm80X60X1.4--4.0mm80X50X1.2--3.0mm80X40X0.9--4.0mm70X50X1.2--4.0mm70X30X1.5--3.0mm60X40X0.8--4.0mm60X30X0.8--3.0mm50X40X0.8--3.0mm50X30X0.7--4.0mm50X25X0.7--3.0mm50X20X0.7--1.7mm40X30X0.7--3.0mm40X25X0.7--2.5mm40X20X0.6--3.0mm30X20X0.6--2.0mm20X14X0.5--1.2mm20X10X0.5--1.2mm