ASTM A53 سلس وغير الملحومة الأسود والساخنة انخفض أنابيب الصلب المجلفن
يوليو 7, 2018
أنابيب الصلب غير الملحومة,أنابيب فولاذية غير ملحومة
يوليو 19, 2018سلس أنابيب الصلب is made from a solid round steel ‘billet’ which is heated and pushed or pulled over a form until the steel is shaped into a hollow tube. Billets are procured both from indigenous suppliers and from abroad. A steel pipe made of a single piece of metal and having no seams on its surface is called a seamless steel pipe. According to the production method, the seamless pipe is divided into a hot rolled pipe, a cold rolled pipe, a cold drawn pipe, an extruded pipe, a top pipe, وما شابه ذلك. According to the shape of the section, the seamless steel tube is divided into two types: a circular shape and a special shape. The shaped tube has a plurality of complicated shapes such as a square shape, an elliptical shape, a triangular shape, a hexagonal shape, a melon shape, a star shape, and a winged tube. The maximum diameter is 650mm and the minimum diameter is 0.3mm. Depending on the application, there are thick-walled tubes and thin-walled tubes. Seamless steel pipes are mainly used as petroleum geological drilling pipes, cracking pipes for petrochemicals, أنابيب المرجل, bearing tubes, and high-precision structural steel tubes for automobiles, الجرارات, and aviation.
تصنيف
What is the Difference Between Seamless and ERW Stainless Steel Pipes?
لحام المقاومة الكهربائية (المتفجرات من مخلفات الحرب) pipe is manufactured by rolling metal and then welding it longitudinally across its length. Seamless pipe is manufactured by extruding the metal to the desired length; therefore ERW pipe have a welded joint in its cross-section, while seamless pipe does not have any joint in its cross-section through-out its length.
في الأنابيب غير الملحومة, there are no welding or joints and is manufactured from solid round billets. The seamless pipe is finished to dimensional and wall thickness specifications in sizes from 1/8 بوصة إلى 26 بوصة OD. Applicable in for High-pressure applications such as Hydrocarbon Industries & المصافي, زيت & Gas Exploration & حفر, زيت & Gas Transportation and Air and Hydraulic cylinders, رمان, غلايات, Automobiles
إلخ.
المتفجرات من مخلفات الحرب (مقاومة كهربائية ملحومة) يتم لحام الأنابيب طوليا, manufactured from Strip / Coil and can be manufactured upto 24” OD. ERW pipe cold formed from a ribbon of steel pulled through a series of rollers and formed into a tube which is fused through a electric charge. It is mainly used for low/ medium pressure applications such as transportation of water / زيت. Pearlites steel is one of the leading ERW Stainless Steel Pipes Manufacturer and exporter from India. Contact us for product details.
أحجام مشتركة ل المتفجرات من مخلفات الحرب من أنابيب الصلب تتراوح بين 2 3/8 بوصة OD ل 24 بوصة OD في مجموعة متنوعة من أطوال إلى أكثر من 100 في السماكة الداخلية والخارجية المضطربة تزداد على طول الجدران الداخلية والخارجية للأنبوب للتعويض عن المعدن الذي تم إزالته في الخيوط.. Surface finishes are available in bare and coated formats and processing can be handled on site to customer specifications.
How to Identify Seamless or ERW Stainless Steel pipes?
لتحديد أن الأنابيب الموردة هو السلس أو المتفجرات من مخلفات الحرب, Simply read the stencil on the side of the pipe
If it is ASTM A53, نوع S يعني سلس.
نوع F هو الفرن ولكن ملحومة,
نوع E والكهربائية مقاومة ملحومة.
Thats how. It is the easiest way to identify wether pipe is seamless or ERW.
بالمختصر, Seamless is marketed on an outdated myth that it does not have flaws but that welded has an inherent flaw throughout the length of each tube, as stated above. Intuitively this concept is easily accepted by purchasers and designers with limited experience with the various products. Each product form and manufacturing method has its own inherent problems and potential defects.
Consumers must become familiar with what those problems and defects are, and how they might affect particular applications. Then they can make an informed decision based on facts, rather than myth.
