If the steel pipe is not welded well， that is， if it is not welded， the welding conditions of steel mesh skeleton composite pipe shall be provided.
5Galvanized; hot-rolling;
nkelowna Dry processing technology: after passivation treatment， parts shall be dried with air compression or hot gas， rolling，Products Show wire drawing，بنابيDN100 المجلفن الأنابيب كم لكل مترمن ما هو مصنوع bending and so on without damaging the coating;
EManjoThe preparations for the construction of high-speed reinforcement mesh include the preparation and inspection of raw materials， the inspection and acceptance of the lower layer of the pavement， and the preparation of construction equipment and engineering machinery.
BmKeep the combustion supporting gas and use it reasonably to avoid fracture of the welding interface. Problems in the welding of steel wire mesh skeleton composite pipe are common， which should be prevented or solved.
The correct and reasonable use of galvanized pipe can play a better role. The product can be widely used in the market because of its obvious performance advantages. Both strength and toughness are worth our choice. Let&#;s see what the specific uses are and what the acceptance standards are?
Polished stainless steel pipes shall be subject to internal inspection and strict manual selection by the steel pipe quality inspector through metal detector (or hydrostatic test)， and qualified products shall be packaged and delivered.
rI-beam is divided into ordinary I-beam and light I-beam. The specification of hot rolled ordinary I-beam is -#. The specification of hot-rolled flexible I-beam supplied through agreement between the supplier and the buyer is -#. I-beam is mainly used in building structure，Reinforcement, galvanized pipe, seamless pipe, welded pipe, alloy pipe, I-beam-Shandong Kaiwen metal material Co., Ltd vehicle manufacturing， other industrial structures and fixed panels and cabinets. I-beam is often used together with I-beam.
AWire sleeve: it is also a general carbon steel welded steel pipe. It is used in concrete and various structural power distribution projects. The commonly used nominal diameter is from -mm. The wall of wire sleeve is thin， which is mostly used after coating or galvanizing and cold bending test is required.
BPromotionSteel transfers heat excellently; Can withstand high temperature; Strong and strong materials; Probably a long time ago. In addition， there is the low cost of metal.
zO Pickling: if the material cannot be removed after cleaning， pickling will be selected. Pickling of galvanized pipe is divided into chemical and electrolytic. How to prevent white rust of galvanized seamless steel pipe? It has a certain anti-corrosion effect on the pipeline.
Classification by production method
If the steel pipe is not welded well， that is，Products Show if it is not welded， the welding conditions of steel mesh skeleton composite pipe shall be provided.
Encyclopedic knowledgeeThere shall be no bending at the welded junction， and there shall be no staggered joint during assembly. Electric welding positioning is generally spot welding. After inspection and straightening， the free conversion method shall be used for welding as far as possible.
CDry processing technology: after passivation treatment，بنابيDN100 المجلفن الأنابيب كم لكل مترمن ما هو مصنوع parts shall be dried with air compression or hot gas， or drying treatment or air drying can be selected.
Seamless pipe has a high position in steel pipe， and there are many large factors. The main usage has accounted for more than %， which is applicable to all walks of life. Seamless pipe factories in China are widely produced. At present the number of factories in China is also increasing every year，Products Show which is determined by the nature and production conditions of seamless pipe. The common production processes and processes are more complex.
ikelowna According to the process， it is divided into arc welded pipe， resistance welded pipe (high frequency and low frequency)， gas welded pipe and furnace welded pipe.
iJIn the production process， the stainless glittering pipe is affected by the outside and product surface. Due to galvanizing， the corrosion protection is not corroded. This is the thickness of zinc， and the quality and strength of its coating depend on longevity.
In order to improve the corrosion resistance of steel pipe， the general steel pipe (black pipe) is galvanized. The galvanized pipe is divided into hot-dip galvanizing and electric steel zinc. The hot-dip galvanizing layer is thick and the cost of electric galvanizing is low， so there is galvanized pipe.