large OD spiral steel pipe

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large OD spiral steel pipe
Posting date : Oct 20, 2010
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72-
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1.Products name: large diameter spiral steel pipe 2.size: wall thickness: 6-30mm(0.24"-1.20") outer diameter: 219-3200mm(8.76"-128") length: 6m or 12m or according to customer's requirements 3.Steel grade: API 5L: X42. X52. X60. X70. API J55. API K55 A53(A.B). A369. L175. ST37,ST52. N80. 10#.45#.Q235.Q345. Gr.B 4.Application: Petroleum pipelines, natural gas pipelines. chemical industry, electric industry, flammable and non-flammable liquid transportation and steel construction, drainage project and city construction etc. 5.coating: Epoxy Powder. 3PE/2PE. FBE. bared or plainted with oil sand blast. black plaint on surface to against corrosion 6.packing: big OD: in bulk small OD: tied with strong steel strips in bundles wrapped in waterproof papper or plastic plugs in both ends . 7.inspection: chemical and physical property inspection X-Ray detector, hydrostatic-test. Eddy Current 10.others we can offer the products according to your special desire. anti-corrosion and high temperature resistant with black painting

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