4140 steel is alloy structural steel, and its technical standard is ASTM A29/A29M. It belongs to ultra-high strength steel. API5L X80 oil pipe steel sheet, 4140 steel has high strength and toughness, good hardenability, no obvious temper brittleness, high fatigue limit and multiple impact resistance after tempering treatment, and good low temperature impact toughness. 4140 steel is suitable for manufacturing large and medium plastic mould with certain strength and toughness.
Nickel element is mainly used to form and stabilize the austenite structure, so that the API5L X80 oil pipe steel sheet steel has good mechanical properties, corrosion resistance and process performance. Molybdenum can quickly passivate stainless acid-resistant steel, and improve the corrosion resistance to solutions containing chloride ions and other non-oxidizing media. Titanium and niobium are usually used to fix the carbon in alloy steel and make it generate stable carbides to reduce the harmful effect of carbon on the corrosion resistance of alloy steel.
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BBN steel is a leading suppliers of hot rolled steel plates for engineering applications, offering a variety of plate widths and thicknesses alongside accurate in-house cutting and profiling services. If you would like any more information about our inventory, or would like to place an order with us, pls feel free to contact us.