High-strength low-alloy (HSLA) is the term which applied to the bulb flat, exhibits excellent strength and toughness by the additional, little, various types of special alloy elements, can be enhance the corrosion resistance at the same time.
This kinds of steel usually have moderate low carbon content (0.05-0.1%), and has one or more alloying elements. The contents of niobium, titanium and vanadium are nearly at 0.01 to 0.05 percent, so another name known as micro-alloy steel.
HSLA steels are widely used in automotive, a body panel requires this kind of steel's good toughness, but the intensity is necessary for automotive interior properties.
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