The Relationship Between Black Steel Pipe and Tin-plant Production
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Tue Feb 25, 2014 10:47 am
• 4 Posts
The black steel pipe is a kind of cold rolled products, it can be the shear plate, it also can be a coil. Black steel pipe can be used for various of the final product processing and manufacturing , including containers, trays and toys etc.. After coating the organic coating, black steel pipe becomes the double-sided pure tin electroplating black steel pipe, which shows a good corrosion resistance. What’s more, when it is in the uncoated condition, whether through single cold or two cold rolling steel plate, black steel pipe is very easy to produce rust, double-sided pure tin electroplating black steel pipe is not.
Over the past 20 years the tinplate industry of black steel pipe, in order to maintain the tin plate in the packaging industry status, there has been in competition with several alternative materials, the main alternative material is plastic, wax paper and aluminum. Speaking of double-sided pure tin electroplating black steel pipe which can also be used on food, beverages and other non food uses, because of its corrosion resistance, formability and weldability, is becoming a main kind of black steel pipe type. The double-sided pure tin electroplating black steel pipe is a new kind of black steel pipe. Tinplate generally has different kinds of oil film surface such as the Sn-Fe alloy layer, the pure tin, or the tin oxide layer. Originally, it is the black steel pipe by annealing and hardening after cold rolling production, but the current trend is to lighter and stronger materials, thus leading to the development of the thickness of tin plate. After annealing and second cold reduction, we can get the double-sided pure tin electroplating black steel pipe.
Generally speaking, there are several ways for double-sided pure tin electroplating black steel pipe production, and to produce good black steel pipe is a basic foundation. One, with the 2 stand reversible cold rolling mill instead of the commonly used 5 stand tandem cold rolling mill, there can be an annual output of 200000 tons of black steel pipe. The mill equipped with the most modern device controls the flatness of black steel pipe, which ensures the highest quality of the surface of double-sided pure tin electroplating black steel pipe coming after. To use various grades of hydrogen batch annealing production from Tl to T6, black steel pipe in higher level don’t the need the continuous annealing, but it needs to choose the process and material grade to make sure the double-sided pure tin electroplating black steel pipe can be produces. The improved investment saving is great. Especially at the beginning of entering the market and the higher number of black steel pipe companies will save at least $10000000 a year.
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