What is en 10025 EN 10083-3 alloy steel 33MnCrB5-2
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ASTM A514 steel is mainly used in places where high tensile strength and high yield are required, such as engineering vehicle lifting gears, large excavators, offshore platforms, etc. Different grades of A514 steel plate have different thickness, chemical composition and properties. However, the EN 10083-3 alloy steel 33MnCrB5-2 mechanical properties specified in ASTM A514 are similar to those of Q690 in China. A514 grade Q is generally used as the rack for offshore platform. Its hardness is between 230-390MPa, yield is greater than 630MPa, and tensile strength is more than 700MPa.
Alloy spring steel is a kind of steel which can improve the mechanical properties, hardenability and other properties of the steel by adding some alloy on the basis of carbon steel to meet the requirements of manufacturing various springs. Its advantages are that it integrates other materials, making spring more stable, durable, long life. EN 10083-3 alloy steel 33MnCrB5-2, Alloy spring steel has high elastic limit, high yield ratio, high fatigue strength and enough toughness.
The effect of nitrogen on steel performance is similar to that of carbon and phosphorus. With the increase of EN 10083-3 alloy steel 33MnCrB5-2 nitrogen content, the strength of steel can be improved, plasticity especially toughness can be significantly reduced, weldability becomes worse, and cold brittleness is intensified. Nitrogen with aluminum, niobium, vanadium and other elements can reduce its adverse effects, improve the performance of EN 10083-3 alloy steel 33MnCrB5-2 steel, can be used as an alloying element of low alloy steel.
QSTE550TM cold formed hot rolled pickled automotive structural steelQSTE550TM chemical composition (melting analysis)%C: ≤0.12, Si: ≤0.35, Mn: ≤1.70, P: ≤0.03, S: ≤0.025, Ti: ≤0.22, Nb: ≤0.09, Al: ≥0.015Mechanical propertiesYield strength MPa: ≥500Tensile strength MPa: 550-700
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