Double-Side Sprial Submerged-arc Weleded Steel Pip
Detailed Product Description
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This product makes the hot-rolling strip as the material, under normal atmospheric temperature spiraling and shaping, made by automatic submerged-are welded technology, Our products carry out API Spec 5L, GB/T9711.1, GB/T9711.2 standard. Mainly used in petroleum, natural gas industry to transfer flammable and non-flammable fluid and steel pipe construction. We own 6 sets of modernized production line. Our company produce O.D.219-1820mm, wall thickness 5-20mm, steel grade B-X 70 200,000 tons every year. Our products have been exported worldwide.
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