DIN 德标钢管壁厚 Nominal size DN Pipe ourside diameter 壁厚 1 2 3 4 5 r b c pipe type s si sa2 s si sa2 s si sa2 s si sa2 s si sa2 2 3.1 1.3 - - 3.8 1.7 5.6 2.6 6.7 3.2 17.5 28 7 15 21.3 3 1.6 2.2 1.4 - - - 2 2.7 1.8 3.2 4.2 2.8 4 5.2 3.4 28 38 12 5 1.9 1.5 - - 24 1.8 3.8 2.9 4.7 3.6 42.5 53 18 2 2.7 1.4 - - 3.7 1.9 5.1 2.7 6.2 3.3 25 39 10 20 26.9 3 1.6 2.4 1.4 - - - 2.3 3.4 2 3.2 4.6 2.7
DIN 德标钢管壁厚 Nominal size DN Pipe ourside diameter 壁厚 1 2 3 4 5 r b c pipe type s si sa2 s si sa2 s si sa2 s si sa2 s si sa2 2 3.1 1.3 - - 3.8 1.7 5.6 2.6 6.7 3.2 17.5 28 7 15 21.3 3 1.6 2.2 1.4 - - - 2 2.7 1.8 3.2 4.2 2.8 4 5.2 3.4 28 38 12 5 1.9 1.5 - - 24 1.8 3.8 2.9 4.7 3.6 42.5 53 18 2 2.7 1.4 - - 3.7 1.9 5.1 2.7 6.2 3.3 25 39 10 20 26.9 3 1.6 2.4 1.4 - - - 2.3 3.4 2 3.2 4.6 2.7