The grade high strength steel plate S690QL steel standard

The hardness of the steel plate is very high, so special equipment is needed to complete the processing and cutting of these materials, high strength steel plate S690QL. In order to cut the plate into an ideal size, the steel plate cutting needs to use natural gas flame for preheating, which will generate a large amount of oxygen flow during the operation. These substances will oxidize the steel plate, and then form a cutting edge, then the cutting operation process is basically completed. In the actual processing work, there are many different classifications for steel plate cutting.

SA514 grade S high strength steel alloy element composition%C: 0.11-0.21, Si: 0.15-0.45, Mn: 1.10-1.50, P max.: 0.035, S max.: 0.035, B max.: 0.005, Mo: 0.10-0.60, V max.: 0.06.The mechanical properties in thickness (mm) T≤65Yield strength (≥Mpa): 690Tensile strength (Mpa):760-895Elongation in ≥, %: 18

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Hot continuous rolling can be divided into ordinary carbon structural steel, low alloy steel and alloy steel according to their different materials and properties. According to the different uses, high strength steel plate S690QL it can be divided into: cold forming steel, structural steel, automobile structural steel, corrosion-resistant structural steel, mechanical structural steel, welding gas cylinder steel and pressure vessel steel, pipeline steel, etc.