BEST PIPELINE EQUIPMENT CO.,LTD
Your one stop shop for all your piping needs such as Seamless & Welded Carbon / Stainless & Alloy Steel Pipes, Mainly alloy Steel Pipes , Forged Flanges, Butt Weld Fittings, Forged Fittings,
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| Steel grades used | P195GH, P235GH, P265GH, 16Mo3 |
| Pipe lengths | Pipes with precise lengths are manufactured with the following tolerance values: For D406,4- for pipes 0- 6m -0/+25%- for pipes 6-12m -0/+50%- for pipes longer than 12m -0/to be negotiated |
| Tightness | Pipes should be subject to water testing (7Mpa) or electromagnetic testing. |
| Straightness | < 0,0015 of pipe length (below 3mm per every meter of pipe length) |
| Tests | Mandatory tests TC1 – Ladle analysis, tensile testing, flattening test, resilience testing, tightness testing, dimension verification, visual inspection, NDT of the weld, material identification for 16Mo3 steel TC2 - Ladle analysis, tensile testing, flattening test, resilience testing, tightness testing, dimension verification, visual inspection, NDT of the weld, NDT of the pipe body, material identification for 16Mo3 steel Optional tests: Final product analysis, tensile testing in elevated temperature, tensile testing of the weld in room temperature, resilience testing, longitudinal resilience testing, wall thickness measurement at a distance from pipe ends, NDT in order to identify longitudinal discontinuity and delamination |
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