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Executive standard for seamless steel pipe

Seamless steel pipe, as the name showed, is a kind of pipe without a seam or welded joint. Thus, it would be a nice choice for gas, oil and other products transportation which need high pressure taking material. The most common seamless steel pipe by standards could be ASTM, API 5L/5CT, DIN/EN AND JIS steel pipe.


Today, we will mainly focus on the introduction on API 5L/5CT steel pipe.

For steel pipe among the range of API 5L/5CT steel pipe, we can classify casing, tubing for them. Of course, their function can be divided into the petroleum and natural gas industries-Steel pipes for use as casing or tubing for wells. Here is the chart for elaborating it.