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Black steel pipe and galvanized steel pipe have different properties and strengths, so it is important to understand their characteristics before comparing their strength. Black steel pipe, also known as plain carbon steel pipe, is made from untreated steel without any protective coating. It is typically used in applications where corrosion resistance is not a major concern. Black steel pipe is known for its strength and durability, making it suitable for various industrial applications such as plumbing, Konstruktion, and structural support. Andererseits, galvanized steel pipe is coated with a layer of zinc to provide protection against corrosion. The zinc coating acts as a barrier between the steel pipe and the surrounding environment, preventing rust and corrosion. Galvanized steel pipe is commonly used in outdoor applications or environments with high moisture levels, such as water supply systems and outdoor structures.

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Carbon steel pipe and black steel pipe are often used interchangeably, but there are some key differences between the two. Komposition: Carbon Steel Pipe is made up of carbon as the main alloying element, along with other elements such as manganese, Silizium, and sometimes copper. This composition gives carbon steel pipe its strength and durability. Andererseits, black steel pipe is a type of carbon steel pipe that has not undergone any additional surface treatment or coating. Oberflächenfinish: The most apparent difference between carbon steel pipe and black steel pipe is the surface finish. Carbon steel pipe has a dark, iron oxide coating called mill scale, which forms during the manufacturing process. This mill scale gives carbon steel pipe its black appearance. In contrast, black steel pipe has a plain, uncoated surface. Korrosionsbeständigkeit: Carbon steel pipe is susceptible to corrosion due to its iron content. Jedoch, the mill scale coating on carbon steel pipe provides some level of protection against corrosion, especially in indoor or dry environments. Andererseits, black steel pipe is more prone to corrosion since it lacks any protective coating. daher, black steel pipe is not recommended for use in areas exposed to moisture or corrosive elements.

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ASTM A53 schwarzes Stahlrohr, auch als ASME SA53-Rohr bezeichnet, ist ein ausgezeichneter Kandidat für die meisten Verarbeitungen. Mit halbglatter Oberfläche, beschichtet mit schwarzem Lack. Schwarzes Stahlrohr ist für mechanische und Druckanwendungen vorgesehen. Zu den häufigsten Anwendungen gehört Dampf, Wasser, Luft, und Gasanlagen. ASTM A53 ist die Normspezifikation für nahtlose und geschweißte Materialien, schwarz und feuerverzinkt nominal (Durchschnitt) Wandrohr zum Aufwickeln, Biegen, Bördeln und andere Spezialzwecke und ist zum Schweißen geeignet. Die Rohrgrößen aus blankem A53-Stahl werden durch zwei dimensionslose Zahlen angegeben. Nennrohrgröße (NPS) oder Innendurchmesser

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