鍍鋅鋼管國家標準壁厚是多少? 從DN15 到DN300的
20.5*1.8 20.50 1.80 127
20.5*1.9 20.50 1.90 127
20.8*2.0 20.80 2.00 127
20.8*2.1 20.80 2.10 127
20.8*2.2 20.80 2.20 127
20.8*2.3 20.80 2.30 127
21.3*2.8(Ⅱ) 21.30 2.40 127
21.3*2.8(Ⅰ) 21.30 2.60 127
21.3*2.8 21.30 2.80 127
26*1.8 2 6.00 1.80 91
26*1.9 26.00 1.90 91
26.3*2.0 26.30 2.00 91
26.3*2.1 26.30 2.10 91
26.3*2.2 26.30 2.20 91
26.3*2.3 26.30 2.30 91
26.9*2.8(Ⅱ) 26.90 2.40 91
26.9*2.8(Ⅰ) 26.90 2.60 91
26.9*2.8 26.90 2.80 91
33*2.2 33.00 2.20 61
33*2.3 33.00 2.30 61
33*2.4 33.00 2.40 61
33*2.6 33.00 2.60 61
33.7*3.2(Ⅱ) 33.70 2.80 61
33.7*3.2(Ⅰ) 33.70 3.00 61
33.7*3.2 33.70 3.20 61
41.8*2.5 41.80 2.50 37
41.8*2.8 41.80 2.80 37
42.4*3.5(Ⅱ) 42.40 3.00 37
42.4*3.5(Ⅰ) 42.40 3.25 37
42.4*3.5 42.40 3.50 37
47.5*2.5 47.50 2.50 37
47.5*2.8 47.50 2.80 37
48.3*3.5(Ⅱ) 48.30 3.00 37
48.3*3.5(Ⅰ) 48.30 3.25 37
48.3*3.5 48.30 3.50 37
59.5*2.5 59.50 2.50 37
59.5*2.8 59.50 2.80 37
59.5*3.0 59.50 3.00 37
60.3*3.8(Ⅲ) 60.30 3.25 37
60.3*3.8(Ⅱ) 60.30 3.40 37
60.3*3.8(Ⅰ) 60.30 3.60 37
60.3*3.8 60.30 3.80 37
74.8*2.8 74.80 2.80 19
74.8*3.0 74.80 3.00 19
74.8*3.25 74.80 3.25 19
76.1*4.0(Ⅱ) 76.10 3.60 19
76.1*4.0(Ⅰ) 76.10 3.80 19
76.1*4.0 76.10 4.00 19
87.5*2.8 87.50 2.80 19
87.5*3.0 87.50 3.00 19
87.5*3.25 87.50 3.25 19
88.9*4.0(Ⅱ) 88.90 3.60 19
88.9*4.0(Ⅰ) 88.90 3.80 19
88.9*4.0 88.90 4.00 19
113*2.8 113.00 2.80 19
113*3.0 113.00 3.00 19
113*3.25 113.00 3.25 19
114.3*4.0(Ⅱ) 114.30 3.60 19
114.3*4.0(Ⅰ) 114.30 3.80 19
114.3*4.0 114.30 4.00 19
139*3.0 139.00 3.00 7
139*3.25 139.00 3.25 7
139.7*4.0(Ⅱ) 139.70 3.60 7
139.7*4.0(Ⅰ) 139.70 3.80 7
139.7*4.0 139.70 4.00 7
139.7*4.25 139.70 4.25 7
139.7*4.5 139.70 4.50 7
164*3.25 164.00 3.25 7
164*3.5 164.00 3.50 7
164*3.8 164.00 3.80 7
165*4.5(Ⅱ) 165.00 4.00 7
165*4.5(Ⅰ) 165.00 4.20 7
165*4.5 165.00 4.50 7
168.3*4.5(Ⅱ) 168.30 4.00 7
168.3*4.5(Ⅰ) 168.30 4.20 7
168.3*4.5 168.30 4.50 7
219.1*4.0 219.10 4.00 7
219.1*4.5 219.10 4.50 7
219.1*5.0 219.10 5.00 7
219.1*5.5 219.10 5.50 7
219.10*6.0 219.10 6.00 7