Product News
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Factors of weld defects
Factors of weld defects (1) Material factors: The so-called material factor refers welding base metals and welding materials used, such as wires, rods, flux, and the shielding gas and the like. All of these materials are directly involved in the welding puddle or physico-chemical reaction of the ...Read more -
Construction and storage of anti-corrosion steel
Construction and storage of anti-corrosion steel: (1) Before painting iron surface treatment Sa2.5 stage, construction is strictly prohibited into the water, dust, oil and brushing in order to ensure quality. (2) Coating ratio: Group A points (base), Part B (hardener) = 9kg paint: 1kg hardener (o...Read more -
Cold drawn steel tube advantages
The advantages of cold drawn steel tube (1) the size is accuracy, tolerance is small; (2) when the die hole machining is excellent, well-oiled and the surface of good quality and finish of up to seven; (3) using it to produce small-diameter steel pipe and a special section; (...Read more -
Coal tar epoxy pipe storage methods
1, The principle requires coal tar epoxy pipe stacking under palletizing firm to ensure the safety of the premise, according to achieve varieties, specifications palletizing, different varieties of materials to palletizing respectively, to prevent muddy and mutual erosion; 2, Banned in coal tar e...Read more -
Introduction to construction method of non-grooving pipeline
Non-grooving construction refers to the construction method of laying or pouring pipelines (drains) in holes excavated under the ground along the pipeline. There are pipe jacking method, shield tunneling method, shallow burying method, directional drilling method, ramming pipe method, etc. (1) Cl...Read more -
The difference between FRP sand pipe and steel pipe
The difference between FRP sand pipe and steel pipe. The glass fiber reinforced plastic sand pipe is a new type of composite material made of resin as the matrix material, glass fiber and its products as the reinforcing material, and quartz sand as the filling material. With its excellent corrosi...Read more