不銹鋼構造管 不銹鋼構造管尺寸規格說明 外徑 O.D 厚度 Thickness in 0.0197 0.0236 0.0276 0.0315 0.0354 0.0393 0.0475 0.0490 0.0590 0.0630 0.0650 0.0787 0.0830 0.0980 0.1180 0.1200 in mm mm 0.5 0.6 0.7 0.8 0.9 1.0 1.2 1.25 1.5 1.6 1.65 2.0 2.11 2.5 3.0 3.05 3/8" (0.375") 9.50 1/2" (0.500") 12.70 5/8" (0.625") 15.90 3/4" (0.750") 19.00 7/8" (0.875") 22.20 1" (1.000") 25.40 1 1/8" (1.125") 28.60 1 1/4" (1.250") 31.80 1 3/8" (1.375") 35.00 1 1/2" (1.5000") 38.10 1 5/8" (1.625") 41.30 (1.660") 42.16 1 6/8" (1.750") 44.50 (1.900") 48.26 2" (2.000") 50.80 2 1/4" (2.250") 57.15 2 3/8" (2.375") 60.33 2 1/2" (2.500") 63.50 3" (3.000") 76.20 3 1/2" (3.500") 88.90 4" (4.000") 101.60 4 1/2" (4.500") 114.30 5" (5.000") 127.00 6" (6.000") 152.40 ASTM A554、 3446 、CNS G3119