矩形方管的规格型号尺寸如下：
国际标准矩形方管尺寸规格
400mm x 600mm x 6.0-16mm
300mm x 500mm x 6.0-16mm
200mm x 500mm x 6.0-16mm
200mm x 400mm x 6.0-16mm
200mm x 350mm x 6.0-16mm
200mm x 300mm x 6.0-14mm
150mm x 300mm x 5.0-14mm
150mm x 250mm x 5.0-14mm
350mm x 250mm x 5.0-14mm
150mm x 200mm x 3.0-12mm
常见矩形管规格
50mm x 30mm x 1.5mm
60mm x 40mm x 2.0mm
80mm x 40mm x 2.5mm
100mm x 50mm x 3.0mm
120mm x 60mm x 2.5mm
其他规格
100mm x 50mm x 1.5mm
60mm x 120mm x 2.5mm
300mm x 500mm x 6.0-16mm
50mm x 100mm x 1.5mm
60mm x 80mm x 2.0mm
80mm x 120mm x 2.5mm
100mm x 200mm x 3.0mm
国标矩形管的基本尺寸
20mm x 40mm x 2.0mm
30mm x 50mm x 2.5mm
40mm x 80mm x 3.0mm
这些规格型号的矩形方管广泛应用于建筑、钢铁和造船等工程领域。在选择矩形方管时，需要根据具体应用场景和需求来确定合适的尺寸和壁厚。