People always have question for DN in steel pipes, so today we spend some time on DN.
DN is a frequently used term to indicate the nominal diameter of the pipe. DN stands for "Diamètre Nominal," which is a French term that means "Nominal Diameter." The nominal diameter is the size of the pipe's internal diameter, and it is generally expressed in millimeters.
거기에 다양한 DN 크기 for steel pipes, and each size has its specific applications. 일반적으로, the DN sizes for steel pipes range from DN15 to DN1200. 여기 are some of the most common DN sizes for steel pipes and their corresponding nominal diameters in millimeters:
DN15: 21.3 밀리미터
DN20: 26.7 밀리미터
DN25: 33.4 밀리미터
DN32: 42.2 밀리미터
DN40: 48.3 밀리미터
DN50: 60.3 밀리미터
DN65: 73mm
DN80: 88.9 밀리미터
DN100: 114.3mm
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