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以下是:锅炉管石油管专心专注专业的图文介绍
低中压锅炉管用电焊钢管的尺寸规格
公称外径 /mm | 公称壁厚/mm | ||||||||
1.5 | 2.0 | 2.5 | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 | 6.0 | |
理论质量/(kg/m) | |||||||||
10 | 0.314 | 0.395 | 0.462 | | | | | | |
12 | 0.388 | 0.493 | 0.586 | | | | | | |
14 | | 0.592 | 0.709 | 0.814 | | | | | |
16 | | 0.691 | 0.832 | 0.962 | | | | | |
17 | | 0.740 | 0.894 | 1.04 | | | | | |
18 | | 0.789 | 0.956 | 1.11 | | | | | |
19 | | 0.838 | 1.02 | 1.18 | | | | | |
20 | | 0.888 | 1.08 | 1.26 | | | | | |
22 | | 0.986 | 1.20 | 1.41 | 1.60 | 1.78 | | | |
公称外径 /mm | 公称壁厚/mm | ||||||||
1.5 | 2.0 | 2.5 | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 | 6.0 | |
理论质量/(kg/m) | |||||||||
25 | | 1.13 | 1.39 | 1.63 | 1.86 | 2.07 | | | |
30 | | 1.38 | 1.70 | 2.00 | 2.29 | 2.56 | | | |
32 | | | 1.82 | 2.15 | 2.46 | 2.76 | | | |
35 | | | 2.00 | 2.37 | 2.72 | 3.06 | | | |
38 | | | 2.19 | 2.59 | 2.98 | 3.35 | | | |
40 | | | 2.31 | 2.74 | 3.15 | 3.55 | | | |
42 | | | 2.44 | 2.89 | 3.32 | 3.75 | 4.16 | 4.56 | |
45 | | | 2.62 | 3.11 | 3.58 | 4.04 | 4.49 | 4.93 | |
48 | | | 2.81 | 3.33 | 3.84 | 4.34 | 4.83 | 5.30 | |
51 | | | 2.99 | 3.55 | 4.10 | 4.64 | 5.16 | 5.67 | |
57 | | | | 4.00 | 4.62 | 5.23 | 5.83 | 6.41 | |
60 | | | | 4.22 | 4.88 | 5.52 | 6.16 | 6.78 | |
63.5 | | | | 4.44 | 5.14 | 5.82 | 6.49 | 7.15 | |
70 | | | | 4.96 | 5.74 | 6.51 | 7.27 | 8.01 | 9.47 |
76 | | | | | 6.26 | 7.10 | 7.93 | 8.75 | 10.36 |
83 | | | | | 6.86 | 7.79 | 8.71 | 9.62 | 11.39 |
89 | | | | | | 8.38 | 9.38 | 10.36 | 12.38 |
102 | | | | | | 9.67 | 10.82 | 11.96 | 14.21 |
108 | | | | | | 10.26 | 11.49 | 12.70 | 15.09 |
114 | | | | | | 10.85 | 12.12 | 13.4.4 | 15.98 |
20g锅炉管材质成分
标准 | 牌号 | 化学成分 | |||||||||
C | Si | Mn | P | S | Cr | Mo | Cu | Ni | |||
GB5310 | 20G | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | ≤0.030 | ≤0.030 | / | / | ≤0.20 | ≤0.25 | / |
20MnG | 0.17-0.24 | 0.17-0.37 | 0.70-1.00 | ≤0.030 | ≤0.030 | / | / | ≤0.20 | ≤0.25 | / | |
15MoG | 0.12-0.18 | 0.17-0.37 | 0.40-0.80 | ≤0.030 | ≤0.030 | / | 0.25-0.35 | ≤0.20 | ≤0.30 | / | |
15CrMoG | 0.12-0.18 | 0.17-0.37 | 0.40-0.70 | ≤0.030 | ≤0.030 | 0.80-1.10 | 0.40-0.55 | ≤0.20 | ≤0.30 | / | |
12Cr2MoG | 0.08-0.15 | ≤0.50 | 0.40-0.70 | ≤0.030 | ≤0.030 | 2.00-2.50 | 0.90-1.20 | ≤0.20 | ≤0.30 | / | |
12Cr1MoVG | 0.08-0.15 | 0.17-0.37 | 0.40-0.70 | ≤0.030 | ≤0.030 | 0.90-1.20 | 0.25-0.35 | ≤0.20 | ≤0.30 | 0.15-0.35 |