2023-05-30 304 stainless steel seamless pipe wear phenomenon is very common, many reasons for this phenomenon have physico-chemical and mechanical aspects, mainly by the abrasive wear, adhesive wear (glued), fatigue wear (pitting) corrosion and wear.304 stainless steel seamless pipe and wear almost all propert
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2023-05-29 Under cold conditions a low-carbon steel welding, the cooling rate of the welded joint, which has made cracking tendency to increase, especially in the first weld Heavy structures susceptible to cracking, it is necessary to take the following process steps:1) Do not possible under conditions of low
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2023-05-26 To walled Longitudinal rust oil treatment, we must first understand the characteristics and type of anti-rust oil, as well as their respective roles. So when buying such products can not be thrown off balance, indirectly save time.1. Quick-dryingIts biggest advantage is that dry fast, hard shell, us
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2023-05-25 At present, domestic steel producers face enormous challenges seamless steel overcapacity, have to adjust product structure, eliminate backward production capacity and research and development of high-quality products. Experimental studies have shown: the implementation of control of the cooling pro
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2023-05-24 Since the thicker parts formed on the surface, dense and complex components of the scale, such parts pickling descaling relatively complicated. Such removal of loose oxide scale according to a pickling step of removing ash hung performed.1, Loose scale:2, Pickling operation: after loose scale, often
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2023-05-23 1. Steel casting: Use forging hammer the reciprocating impact force or press pressure to the billet into a pressure change we desired shape and dimensions plus work approach.2. Kneading: the steel metal placed in closed kneading Jane, applying pressure at one end of the metal is extruded from the di
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2023-05-22 The advantages of spiral pipe for mining are following below:1, Closed strong, stiffness.2, Good corrosion resistance and long service life.3, Spiral bite from the rib effect, thereby improving the strength of the tube wall thickness can be reduced, reducing the cost of installation works.4, Light p
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2023-05-19 Spiral steel pipe cold drawn, hot rolled tube defects, such as cracks or spiral steel high-precision cold drawn pipe after the tank, in the course of the fracture, almost no plastic deformation occurs, it is brittle fracture. Brittle fracture is caused by a variety of reasons. Such as: the precipita
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