1, coating, inspection and acceptance: (1) surface coating construction and after construction, deal with protection coating of the workpiece, ...
1, coating, inspection and acceptance:
(1) surface coating construction and after construction, deal with protection coating of the workpiece, prevent the flying dust and other sundry.
(2) the coating processing after the check, it should be the coating color is consistent, clear bright colour and lustre, wrinkled skin, no blister, sagging, painted the defects such as leakage.
(3) of determining the thickness of coating film, the film thickness is measured by touch point paint film thickness gauge, thickness of paint film thickness gauge measurement commonly 3 point, take the average.
2, quality testing
1) quality inspection according to the regulations of design with the method of sampling inspection.
(2) with visual by check. Cover surface should be smooth, smooth, no bubbles, wrinkles, convex tumor and pressure.
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Difference of PSL1 and PSL2(API 5L)
The API 5L has two standards, PSL1 and PSL2, which are very different from each other. I'll talk more about the differences between PSL1 and PSL2.
Production Process of Pipe Fitting
There are many kinds of processing methods for pipe fittings.
The Future of Steel Pipe Development
The future of steel pipe development is looking promising, according to expert analysis and data. The price of carbon steel pipe is predicted to bounce back this year, with China leading the way in increasing steel consumption demands. This is due to a series of government initiatives aimed at stimulating domestic demand, including the construction of affordable housing and infrastructure projects. The demand for structural steel pipe is also on the rise, thanks to state investment in housing and engineering projects. With private investment projects also gaining popularity, the steel pipe market is set to thrive in 2017.
