The appearance quality inspection method of spiral steel pipe
NewsJudging 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…
Spiral steel pipe process
blog(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…
Spiral steel pipe raw material is strip or coil are hot rolled plate
UncategorizedSpiral 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…
Spiral steel pipe length several common measurement methods
UncategorizedAt 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…
Spiral steel pipe for insulation treatment of technical requirements
blogSpiral 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.…
The role of elements in anti-corrosion steel pipe on high-temperature tempering brittleness
UncategorizedAnti-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…
Do you know the way to make spiral steel pipe last longer?
UncategorizedDo 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…
Do you know the way to make the spiral steel pipe last longer?
blogIn 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…
Anti-corrosion steel pipes are classified according to different ways
blogAnti-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…
Anti-corrosion properties of common anti-corrosion steel pipes
blogAnti-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…