API 5L X60 is a specification for seamless and welded steel line pipe. Here are the typical material properties for API 5L X60:
Carbon (C): 0.26
Manganese (Mn): 1.40
Phosphorus (P): 0.030
Sulfur (S): 0.030
Silicon (Si): 0.45
Nickel (Ni): 0.50
Chromium (Cr): 0.50
Molybdenum (Mo): 0.15
Vanadium (V): 0.10
Yield Strength (min): 415 MPa (60,200 psi)
Tensile Strength (min): 520 MPa (75,400 psi)
Elongation (min. %): 21
Brinell Hardness Number (HBW): Typically 200-250 HBW
Charpy V-Notch Impact Test:
Temperature: 0°C (32°F)
Minimum average energy: 27 J (20 ft-lbf)
Minimum single value: 20 J (15 ft-lbf)
Weldability: Good weldability; suitable for fusion welding.
Corrosion Resistance: Generally suitable for use in non-corrosive environments or with suitable corrosion protection measures.
API 5L X60 is commonly used in the oil and gas industry for pipelines conveying oil, gas, water, and other fluids under high-pressure conditions. The material properties ensure reliable performance in demanding applications, meeting international standards for line pipe construction.
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