– Carbon (C): 0.10-0.20%
– Silicon (Si): 0.10-0.35%
– Manganese (Mn): 0.40-0.70%
– Phosphorus (P): ≤ 0.035%
– Sulfur (S): ≤ 0.030%
– Chromium (Cr): ≤ 0.30%
– Molybdenum (Mo): 0.50-0.70%
– Vanadium (V): ≤ 0.10%
– Nickel (Ni): ≤ 0.30%
– Copper (Cu): ≤ 0.30%
– Nitrogen (N): ≤ 0.010%
– Aluminum (Al): ≤ 0.020%
– Niobium (Nb): ≤ 0.03%
– Titanium (Ti): ≤ 0.03%
Key features and advantages of 14MoV63 steel include:
1. High temperature strength: This steel has excellent strength at elevated temperatures, making it suitable for use in applications that require resistance to high thermal stress.
2. Creep resistance: 14MoV63 steel exhibits good resistance to creep, which is the deformation that occurs under long-term exposure to high temperatures and constant stress.
3. Corrosion resistance: It has good corrosion resistance, particularly in environments that contain hydrogen sulfide (H2S) or other corrosive gases. This makes it suitable for use in industries such as oil and gas.
4. Weldability: This steel possesses good weldability, allowing it to be easily joined or fabricated using various welding methods.
5. Toughness: 14MoV63 steel is known for its toughness, meaning it can withstand sudden impact or loads without breaking or fracturing easily.
6. Pressure vessel applications: Due to its high temperature and creep resistance, along with good weldability, 14MoV63 steel is commonly used in the construction of pressure vessels and boilers in industries such as power generation.
Overall, the 14MoV63 steel composition provides a balance of key properties that make it suitable for applications that require both high-temperature strength and resistance to corrosion and creep deformation.
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