Chemical Constituents of Tubing

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Chemical Constituents of Tubing

The chemical composition requirements of API 5CT standard for tubing are shown in the table below. This is a very broad guiding requirement. Among them, J55, N80, P110 and other steel grade tubings only specify the sulfur and phosphorus content requirements, other major elements are determined by the manufacturer according to the performance and use requirements.

Therefore, each manufacturer has its own tubing brand.

2019-01-27T13:42:04+08:00 January 27th, 2019|