Seamless steel pipe symbol

Seamless steel pipe symbol

– Seamless steel pipe symbol Tiger Steel is a distributor of Seamless steel pipes, we are a company specializing in importing steel pipes.

– Please send our customers the basic knowledge about  symbols of Seamless steel pipes.

– Seamless steel pipe is a product line manufactured based on the process of heating and extruding the steel core to form a seamless steel pipe.

Seamless steel pipe symbols: NPS, DN, and SCH.

DN . symbol

NPS is the acronym for Nominal Pipe Size coined by the American Steel Association.

– Base pipe size, used to determine steel pipe diameter, inch unit.

However, NPS is not the inside or outside diameter of the pipe.

– It is for commercial purposes only.

– Example 1/2′ NPS does not mean 1/2′ inch x 25.4 diameter steel pipe.

DN . symbol

–DN is Diameter Nominal, set by ISO association standard for diameter of seamless steel pipe.

– Vietnam’s seamless steel pipe standard is also the mm-system ISO standard.
– DN is also not the outside diameter of the cast steel pipe, nor the inside diameter.

– For example, 15A cast steel pipe is not 15mm . in diameter

DN . symbol

–Sch is an abbreviated concept of the word Schedule, through which we determine the thickness.

– Sch 5, Sch 5s, sch 10, sch 10s, Sch 20, Sch 40, Sch 80, Sch 100, Sch 120, Sch 140, Sch 160… are symbols for the thickness of seamless steel pipes.

– In the increasing direction, the tube will be thicker and proportional to the pressure capacity of the tube.

In addition, our Tiger Steel Company also distributes SeAH galvanized steel pipes, galvanized  steel square, black steel pipes, black steel square , large steel pipes, stainless steel square, H-U-V-I shaped steels, Firefighting materials. , …..

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