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3 results about "Aluminized steel" patented technology
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Aluminized steel is steel that has been hot-dip coated on both sides with aluminium-silicon alloy. This process assures a tight metallurgical bond between the steel sheet and its aluminium coating, producing a material with a unique combination of properties possessed neither by steel nor by aluminium alone. Aluminized steel shows a better behavior against corrosion and keeps the properties of the base material steel for temperature lower than 800 °C (1,470 °F). For example, it is commonly used for heat exchangers in residential furnaces, commercial rooftop HVAC units, automotive mufflers, ovens, kitchen ranges, water heaters, fireplaces, barbecue burners, and baking pans. This steel is very useful for heating things up because it transfers heat faster than most other steels.
Super CQHT high temperature alloy-resistant aluminized steel with moderate formability
A coated steel sheet includes a steel strip and an aluminum-based coating. In some versions, the steel sheet includes, in percent weight: carbon: less than 0.020%, manganese: less than 0.40%, aluminum: less than 0.015%, nitrogen: less than 0.008%, and the balance including iron and impurities. The steel strip includes a free nitrogen concentration of greater than 40 parts per million (PPM). The aluminum-based coating is disposed on at least one surface of the steel strip.
Owner:CLEVELAND CLIFFS STEEL PROPERTIES INC
A plating adhesion force detection system and a detection method
The application discloses a kind of plating adhesion detection system and detection method, belong to metal material surface plating detection technical field.Detection system includes deformation mould, flat mould and hydraulic press, deformation mould includes bi-convex upper die and bi-concave lower die, respectively installed on hydraulic press for sample stamping deformation;Flat mould can be detachably installed on hydraulic press, for flattening after sample deformation.Detection method includes: sample is placed on bi-concave lower die, and hydraulic press drives bi-convex upper die to go down and carries out simulation stamping deformation;After sample deformation, it is placed into flat mould and flattened;Paste adhesive tape in flattening area and tear, observe whether to take out plating fragment to judge adhesion.The application truly simulates the composite stress under the condition of stamping R angle or flanging by bi-convex upper die and bi-concave lower die cooperation, combined with flat tape detection, with the advantages of simple structure, low cost, convenient operation, high detection accuracy, suitable for galvanizing, aluminizing steel coil production line on-site rapid off-line detection.
Owner:ANGANG CHONGQING HIGH-STRENGTH AUTOMOBILE STEEL CO LTD
