鍍鋅厚壁1220螺旋鋼管供應 377螺旋管 dn400螺旋管生產

螺旋焊鋼管規格表（單位：mm）

壁厚

5.0-

8.0

8.5-

10.0

10.5-

12.0

12.5-

14.0

14.5-

16.0

16.5-

18.0

18.5-

20.0

20.5-

25.0

口徑

219-273

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325-351-377-406-457

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478-529-609-610-

630-660

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711-720-762-813-

820-914-920

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1016-1020-1120-

1220-1320

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1420-1620-1720-1820

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2020-2220-2420-2620-2820

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并可根據用戶要求供應特殊口徑壁厚螺旋管。0317-5693418 18931786308