Fastener Name Hot-Rolled Unequal Angle GB9788-1988 Fastener ID GB_STRUCTURAL_TYPE04 Size Long Side Width Short Side Width 2.5-1.6 25 16 3.2-2 32 20 4-2.5 40 25 4.5-2.8 45 28 5-3.2 50 32 5.6-3.6 56 36 6.3-4 63 40 7-4.5 70 45 7.5-5 75 50 8-5 80 50 9-5.6 90 56 10-6.3 100 63 10-8 100 80 11-7 110 70 12.5-8 125 80 14-9 140 90 16-10 160 100 18-11 180 110 20-12.5 200 125 Side Thickness Length Part Name 3