4130 tube: 1 5/8 x .065: 3.0" (0.2') (1.0" longest) req 4130 tube: 1 1/2 x .035: 29.625" (2.5') (29.5" longest) req 4130 tube: 1 x .035: 148.25" (12.4') (37.0" longest) req 4130 tube: 1 x .049: 102.125" (8.5') (28.0" longest) req 4130 tube: 7/8 x .058: 54.0" (4.5') (11.0" longest) req 4130 tube: 7/8 x .035: 906.125" (75.5') (83.0" longest) req 4130 tube: 7/8 x .049: 149.25" (12.4') (28.0" longest) req 4130 tube: 7/8 x .065: 21.5" (1.8') (2.75" longest) req 4130 tube: 3/4 x .035: 849.375" (70.8') (129.0" longest) req 4130 tube: 3/4 x .049: 88.75" (7.4') (19.0" longest) req 4130 tube: 3/4 x .058: 17.125" (1.4') (17.0" longest) req 4130 tube: 5/8 x .035: 817.0" (68.1') (37.0" longest) req 4130 tube: 1/2 x .035: 628.125" (52.3') (36.0" longest) req 4130 tube: 1/2 x .049: 78.5" (6.5') (22.0" longest) req 4130 tube: 3/8 x .065: 26.125" (2.2') (6.25" longest) req 4130 tube: 3/8 x .049: 10.25" (0.9') (5.0" longest) req 4130 tube: 3/8 x .035: 109.75" (9.1') (20.0" longest) req 4130 tube: 5/16 x .035: 194.375" (16.2') (74.0" longest) req 4130 tube: 1/4 x .035: 841.75" (70.1') (24.0" longest) req 4130 sq tube: 1x1 x .058: 2.125" (0.2') (2.0" longest) req 4130 sq tube: 0.5x0.5 x .049: 16.25" (1.4') (8.0" longest) req 6061-T3 tube: 1 1/4 x .058: 114.375" (9.5') (66.0" longest) req 6061-T3 tube: 3/4 x .058: 190.75" (15.9') (95.25" longest) req 6061-T3 tube: 5/8 x .035: 30.625" (2.6') (30.5" longest) req Al rectangle: 5/8 x .025: 1950.75" (162.6') (112.0" longest) req 4130 sheet at .065: 206.53125 sqin 4130 sheet at .090: 24.25 sqin 2024-T3 sheet at .025: 11620.0 sqin 2024-T3 sheet at .040: 504.0 sqin 18-8 stainless sheet at .016: 1152.0 sqin 5052-0 sheet at .050: 1126.5 sqin