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sch和壁厚对照表.doc

发布:2017-06-11约2.48千字共3页下载文档
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SCH表示壁厚等级;δ表示外径。 DN 外径mm SCH5s SCH10s SCH20s SCH20 SCH30 SCH40s SCH40 SCH60 SCH80s SCH80 SCH100 SCH120 SCH140 SCH160 XXS mm mm mm mm mm mm mm mm mm kg/m mm mm mm kg/m mm mm mm 10 17 1.2 1.6 2.0     2.5 2.5   3.2   3.5             15 22 1.6 2.0 2.5     3.0 3.0   4.0   4.0         5.0 7.5 20 27 1.6 2.0 2.5     3.0 3.0   4.0   4.0         5.5 8.0 25 34 1.6 2.8 3.0     3.5 3.5   4.5   4.5         6.5 9.0 (32) 42 1.6 2.8 3.0     3.5 3.5   5.0   5.0         6.5 10.0 40 48 1.6 2.8 3.0     4.0 4.0   5.0   5.0         7.0 10.0 50 60 1.6 2.8 3.5 3.5   4.0 4.0 5.0 5.5   5.5   7.0     8.5 11.0 (65) 76 2.0 3.0 3.5 4.5   5.0 5.0 6.0 7.0   7.0   8.0     9.5 14.0 80 89 2.0 3.0 4.0 4.5   5.5 5.5 6.5 7.5   7.5   9.0     11.0 15.0 100 114 2.0 3.0 4.0 5.0   6.0 6.0 7.0 8.5   8.5   11.0     14.0 17.0 (125) 140 2.0 3.5 5.0 5.0   6.5 6.5 8.0 9.5   9.5   13.0     16.0 19.0 150 168 2.8 3.5 5.0 5.5 6.5 7.0 7.0 9.5 11.0   11.0   14.0     18.0 22.0 200 219 2.8 4.0 6.5 6.5 7.0 8.0 8.0 10.0 13.0   13.0 15.0 18.0   20.0 24.0 23.0 250 273 3.5 4.0 6.5 6.5 8.0 9.5 9.5 13.0 15.0   15.0 18.0 22.0   25.0 28.0 25.0 300 325 4.0 4.5 6.5 6.5 8.5 9.5 10.0 14.0 17.0   17.0 22.0 25.0   28.0 34.0 26.0 350 356 4.0 5.0   8.0 9.5   11.0 15.0     19.0 24.0 28.0   32.0 36.0   400 406 4.5 5.0   8.0 9.5   13.0 17.0     22.0 26.0 32.0   36.0 40.0   450 457       8.0 11.0   14.0 19.0     24.0 30.0 35.0   40.0 45.0   500 508       9.5 13.0   15.0 20.0     26.0 32.0 38.0   45.0 50.0   550 559       9.5 13.0   17.0 22.0     28.0 35.0 42.0   48.0 54.0   600 610       9.5 14.0   18.0 25.0     32.0 38.0 45.0   52.0 60.0                                                                               备注:①SCH**s指奥氏不锈钢,壁厚超过SCH80s按碳钢管选用 ②带括号者不推荐使用 美标 ASTM A182 Gr F22
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