The factory is located in the central China, with convenient transportation and abundant resources. The main products are various construction steel plates, steel pipes, steel sections, and steel structure processing parts. Used in the manufacture of railway tracks, pressure vessels, boilers, hulls, bridges, various types of steel, etc With an annual output of 223 million tons of steel plates, 204 million tons of steel pipes and 154 million tons of section steel in 2002, it is an important pig iron base in Henan Province,A514 Gr E high strength steel.
The Performance requirements of low alloy structural steel, :(1) High strength: generally, the yield strength is above 300Mpa(2) High toughness: the elongation is required to be 15% - 20%, and the room temperature impact toughness is greater than 600kJ/m ~ 800kJ/m For large welded components, higher fracture toughness is required(3) Good weldability and cold forming property(4) Low cold brittle transition temperature (5) Good corrosion resistance,A514 Gr E high strength steel.
A514 Gr E high strength steel,The hot rolling method is to heat the steel material to about 1000 ℃ ~ 1250 ℃ and use the rolling mill to roll it. The traditional hot rolling process is generally divided into the following two steps: the first step is to use the primary rolling mill or billet rolling mill to roll the ingot, billet or continuous casting billet into a certain shape and size of billet. This kind of rolling process is usually called semi-finished product production, also called blank production.
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The after-sale service of iron and steel products includes after-sale tracking service, technical guidance, transfer of relevant bills, handling of objections and many other contents. The handling of quality objections accounts for a large proportion. When dealing with these problems, we should distinguish the responsibilities, and compensate or return the inconvenience or loss caused to users due to steel.A514 Gr E high strength steel
