This standard specifies the design, manufacture and inspection requirements for corrosion-resistant alloy composite elbows with nominal diameter DN 150~ DN 800 and bending radius R ≥ 5D for use in the oil and gas industry. It is suitable for pipelines conveying single-phase or multi-phase fluids containing corrosive media. The standard covers material selection, geometry, manufacturing process, mass inspection, surface preparation and transportation protection to ensure the durability and reliability of elbows under harsh working conditions.
| Status | Active |
|---|---|
| CCS | E16；J15 | ICS | 75.200;23.040.01 |
| Release Date | 2018-05-14 00:00:00 | Implementation Date | 2018-12-01 00:00:00 |