With an annual output of 15 million tons, Gnee Steel is the largest ERW square pipe, rectangular pipe, hollow pipe, galvanized pipe and spiral welded pipe manufacturer in China. Annual sales reached $5 billion. Yuantai Derun has 59 black ERW pipe production lines, 10 galvanized pipe production lines ,3 spiral welded pipe production lines,1 JCOE LSAW steel pipe production line. Square pipe 10 * 10 * 0.5mm to 1000 * 1000 * 60MM, rectangular steel pipe 10 * 15 * 0.5mm to 800 * 1100 * 60MM, spiral pipe Ø 219-1420mm can be made of yield strength from Q (s) 195 MPa to Q (s) 690 MPa.Yuantai Derun can produce square rectangular tubes according to ASTM A500/A501,JIS G3466,EN10219,EN10210,BV,DIN2240 and AS1163,GB/T9711,GB/T3091,GB/T3094,GB/T6728 etc, and our mill were certified by BC1,EPD,PHD,ISO9001,ISO14001,ISO45001. Yuantai Derun has the largest steel pipe inventory in China, which can meet the urgent purchasing demand of customers. Welcome everyone to contact Yuantai Derun,And visit our factory online or offline.
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Outer Diameter
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10.3mm-914.4mm
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Wall Thickness
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1.24mm-63.5mm
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Standard
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ASTM A53, BS1387-1985, API 5L standard
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Material
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Q195, Q235, Q345, ASTM A53 Gr.B, API 5L Gr.B
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Ends
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1) Bared
2) Black Painted (varnish coating) 3) galvanized 4) Oiled 5) PE,3PE, FBE, corrosion resistant coating, Anti corrosion coating. |
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Technique
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Electronic Resistance Welded (ERW )
Double Submerged Arc Welded (DSAW)
Electronic Fusion Welded (EFW)
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Section Shape
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Round, Square, Rectangular.
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Delivery
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Container, Bulk Vessel.
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About Our Quality
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1) No damage, no bent
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2) no burrs or sharp edges and no scraps
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3) Free for oiled&marking
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4) All goods can be checked by third party inspection before shipment
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others
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3) SCH20,SCH40,STD,XS,SCH80,SCH160,XXS
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