Product News
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JIS G3445 Carbon steel tubes for machine structural purposes
JIS G3445 Carbon steel tubes for machine structural purposes This Japanese Industrial Standard specifies the carbon steel tubes, hereinafter referred to as the “tubes”, used for machinery, automobiles, bicycles, furniture, appliances and other machine parts. The tubes shall be manufac...Read more -
Hot extruded steel pipe
Hot extruded steel pipe is used in the production of hot extrusion process to manufacture seamless steel tubes. Hot extrusion is widely used in the production of aluminum, copper and other nonferrous metals pipes and profiles. Hot extrusion of steel for the production of both special pipes and pr...Read more -
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