+86-0317-5673271 ella@cnspipe.com
Address: No.92 Jiefang East Rd., Cangzhou City, Hebei Province, China
Standard: GB, API, ASTM Standard2: GB/T 3091-2001, API 5CT, API 5L, API 5DP, ASTM A106-2006, ASTM A789M-2001 Grade Group: A53-A369, 10#-45#, Q195-Q345, ST35-ST52 Grade: A53(A,B), A106(B,C), A210, A315, A178-C, A135-A, 10#, 20#, Q235, St37, St42, St45-8, St35.4, St45-4 Thickness: 3-80 mm Section Shape: Round Outer Diameter (Round): 1 - 140 inch Place of Origin: Tianjin, China (Mainland) Application: Oil Pipe, Gas, Water, Chemical liquid and so on Certification: API, CE, ISO Certification: 3LPE Coated
3PE Coating Steel Pipes, large diameter SSAW spiral welded steel pipe steel pipe Spiral steel pipe was made by steel coil, extrusion forming under the normal temperature, take the technology of double wire and double-faced submerged-arc welded.
Nominal Diameter of Steel Pipe (DN) | Epoxy Coating | Adhesive Layer | Min Thickness of Anti-Corrosion Layer (mm) | |
(mm) | (a/μm) | (mm)/μm | General Type | Strengthen Type |
DN ≤ 100 | ≥120 | ≥170 | 1.8 | 2.5 |
100< DN ≤250 | 2.0 | 2.7 | ||
250 < DN < 500 | 2.2 | 2.9 | ||
500 ≤ DN < 800 | 2.5 | 3.2 | ||
DN ≥ 800 | 3.0 | 3.7 |
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Ⅰ. Senior Experience:16 years anti-corrosion and insulation steel pipe