1Z steel basic dimensions and edit the name of the main parameters of the size of the moment of inertia moment cm cm l rotary half section modulus cm h × b × c × thbct lx ly rv wx wy 100 × 40 × 20 × 2.0 100 40 20 2.0 60.62 17.2 1.256 12.12 40 100 × 40 × 20 × 2.5 100 40 20 2.5 73.05 20.32 1.234 14.61 55 120 × 50 × 20 × 2.0 120 50 20 2.0 107.77 30.51 1.519 17.96 67 120 × 50 × 20 × 2.5 120 50 20 2.5 130.7 36.36 1.497 21.78 77 120 × 50 × 20 × 3.0 120 50 20 3.0 152.11 41.55 1.474 25.35 86 140 × 50 × 20 × 2.5 140 50 20 2.5 188.5 36.36 1.503 26.93 7.458 140 × 50 × 20 × 3 140 50 20 3 219.8 41.55 1.48 31.47 8.567 160 × 60 × 20 × 2.5 160 60 20 2.5 290.3 58.78 1.767 36.29 10.00 160 × 70 × 20 × 2.5 160 70 20 2.5 321.4 88.57 2.014 40.17 12.88 160 × 70 × 20 × 3.0 160 70 20 3.0 376.9 102.3 1.99 47.11 17.94 180 × 70 × 20 × 2.5 180 70 20 2.5 422.9 88.58 2.028 46.99 12.88 180 × 70 × 20 × 3.0 180 70 20 3.0 496.7 102.3 2.003 55.19 14.94 200 × 70 × 20 × 2.5 200 70 20 2.5 541.5 88.58 2.03 54.15 12.88 230 × 75 × 25 × 3 230 75 25 3 951.37 138.9 2.212 82.73 18.90 250 × 75 × 25 × 3 250 75 25 3 1160.1 138.9 2.205 92.8 18.90 300 × 85 × 25 × 4 300 85 25 4 ----- Note: The special Z-shaped steel specifications available in the following sizes any adjustment: 80 ~ 300 (mm) b: 40 ~ 100 (mm) t: 1.5 ~ 5.0 (mm) and the production of steel equilateral Z Z Z steel cold-formed steel main purpose Size adjustable, compressive strength Large, etc. Widely used in automotive, railway vehicles, doors and windows, transportation, shelves, electrical cabinets, highway guardrail, construction steel, container, steel formwork and scaffolding, solar stent shipbuilding, bridges, transmission towers, steel sheet pile, cable bridge, farm machinery, furniture, storage, rail, steel keel, vegetable greenhouses, pipe supports, municipal construction and other fields.