Standard | API SPEC 5L,GB/T 9711.1,GB/T 9711.2,GB/T 9711.3,SY/T5037 |
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ASTM A671 | Standard Specification for Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures |
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Class Designation | Class 10, 11, 12, 13, 20, 21, 22, 23, 30, 31, 32, 33, 34, 40, 41, 42, 43, 50, 51, 52, 53, 60, 61, 62, 63, 70, 71, 72, 73. |
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Ends | Plain end/Beveled,protected by plastic caps on both ends, cut quare,grooved,threaded and coupling,etc |
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Surface Treatment | Bare,Painting black,varnished,galvanized,anti-corrosion PE PP/EP/FBE coating |
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Technical Methods | Hot-rolled/Cold-drawn/Hot-expanded |
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Testing Methods | Eddy current testing, Hydrostatic testing or Ultrasonic examination, NDT and also with chemical and physical property inspection |
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Application | Applicable to the general structure, mechanical structure, Low, medium and high pressure boiler, transportation for gas, water, oil and natural gas, tubes for heat exchanger and chemical fertilizer equipments, for hydraul hydraulic pillar service etc.. |
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