SINO EAST STEEL TECH CO.. LTD. as a leading China steel products manufacturer specialized in production of high quality steel series products and located in Tianjin. The area of Sino East Steel Group is about 60,000 square meters with annual steel production capacity reaching to 500,000 MT. Its products’ ranges include steel pipes, tubes, steel sheet and coil, structural steel like steel profile and so on.
The appearance quality inspection method of spiral steel pipe
/in News /by PaulJudging from the surface, that is, in the appearance of the inspection. Usually users in the purchase of spiral steel pipe, due to the absence of professional testing equipment, at this time can only use the naked eye on the quality of spiral pipe appearance inspection, in order to roughly determine the quality of steel […]
Spiral steel pipe process
/in blog /by Paul(1) Raw materials, i.e. strip coil, welding wire, flux. Before input are subject to strict physical and chemical inspection. (2) Strip head and tail butt, using single or double wire submerged arc welding, and automatic submerged arc welding filler welding after rolled into steel pipe. (3) Before forming, the strip is leveled, edge cutting, edge […]
Spiral steel pipe raw material is strip or coil are hot rolled plate
/in Uncategorized /by PaulSpiral steel pipe raw material for strip or coil are hot rolled plate. Spiral steel pipe raw materials Hot-rolled plate, that is, hot-rolled steel rolled steel plate or strip, commonly known as hot plate, usually also rolled written as the word tie, such as hot-tied plate, but all refer to the same hot-rolled plate. Refers […]
Spiral steel pipe length several common measurement methods
/in Uncategorized /by PaulAt present, the more common length of spiral steel pipe is 12 meters / branch, but there are many other lengths, in order to more accurately know the length of spiral steel pipe, the following are several common methods. 1, camera length measurement. Camera length measurement is the use of image processing to achieve the […]
Spiral steel pipe for insulation treatment of technical requirements
/in blog /by PaulSpiral steel pipe insulation treatment after people are used to called insulation steel pipe, insulation steel pipe insulation layer is made of rigid polyurethane foam filling, for spiral steel pipe insulation quality requirements are as follows. 1. Polyurethane foam should be free of stains, no shrinkage delamination cracking phenomenon. The bubble hole should be uniform […]
The role of elements in anti-corrosion steel pipe on high-temperature tempering brittleness
/in Uncategorized /by PaulAnti-corrosion steel pipe triggers the high-temperature tempering brittleness of fine anti-corrosion steel pipe impurity elements such as phosphorus, tin, antimony, etc.. (2) in different forms, to varying degrees to promote or slow down the high-temperature tempering brittleness of the alloying elements. There are chromium, manganese, nickel, silicon, etc. to promote the role of molybdenum, tungsten, […]
Do you know the way to make spiral steel pipe last longer?
/in Uncategorized /by PaulDo you know the way to make spiral steel pipe last longer? In recent years, automotive manufacturers are facing increasing pressure to improve fuel efficiency as people pay more and more attention to environmental issues. Stricter and more stringent regulations have created technical challenges for industrial production and material processing. Among these trends are lower […]
Do you know the way to make the spiral steel pipe last longer?
/in blog /by PaulIn recent years, automotive manufacturers are under increasing pressure to improve fuel efficiency as more attention is paid to environmental issues. Stricter and more stringent regulations are creating technical challenges for industrial production and material processing. Among these trends are lower emissions, lighter bodies and longer part life. Do you know the ways to make […]
Anti-corrosion steel pipes are classified according to different ways
/in blog /by PaulAnti-corrosion steel pipes are classified according to different ways Anti-corrosion steel pipe refers to the steel pipeline which can effectively prevent or slow down the corrosion phenomenon by chemical or electrochemical reaction during transportation and use after anti-corrosion process processing. According to China’s statistics, the annual domestic steel pipe corrosion direct economic loss of more […]
Anti-corrosion properties of common anti-corrosion steel pipes
/in blog /by PaulAnti-corrosion properties of common anti-corrosion steel pipes What are the anticorrosive properties of common anticorrosive steel pipes? Solvent-free epoxy coating with matching curing agent low viscosity, cured coating with good anti-corrosion properties, hardness toughness and denseness. And have a relatively suitable application period and curing period. In addition to the excellent insulation and chemical stability […]