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Hot-Dip Galvanized steel pipe:
1.Standard:API 5CT/ 5D/ 5L / GB3087-1999 /ASTM A179. 2.Outside diameter:20--273mm3.Wall thickness:1.3--17.5mm
4.Length:6m or as customer's requirement.
The seamless steel pipes are used for tubing,casting, line pipe,drilling,coupling stock,ship,automotive axle housing, petroleum cracking and so on.