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X52 grade pipeline steel is the most commonly used steel grade for oil and gas pipelines worldwide.
X56 grade high-strength pipeline steel, with a yield strength ≥386 MPa, is between X52 and X60.
X60 grade high-strength pipeline steel, with a yield strength ≥415 MPa.
X65 grade high-strength pipeline steel, with a yield strength ≥450 MPa.
X70 grade ultra-high strength pipeline steel, with a yield strength ≥485 MPa.
X80 grade ultra-high strength pipeline steel has a yield strength of ≥555 MPa.
GB/T11251 1345 Alloy Structural Steel Coil
GB/T11251 1345 is a national standard hot-rolled alloy structural steel coil, belonging to medium carbon manganese steel.
EN 10083-3 4135 Alloy Structural Steel Coils
EN 10083-3 4135 is a European standard quenched and tempered alloy structural steel coil.
EN 10083-3 4140 Alloy Structural Steel Coils
EN 10083-3 4140 is a European standard quenched and tempered chromium-molybdenum alloy structural steel coil.
EN 10083-3 4142 Alloy Structural Steel Coils
EN 10083-3 4142 is a European standard quenched and tempered alloy structural steel coil, belonging to chromium-molybdenum-boron steel.
EN 10083-3 6150 Alloy Structural Steel Coils
EN 10083-3 6150 is a European standard chromium vanadium spring alloy structural steel coil.
ASTM A588 Weathering Alloy Structural Steel Plate
High-strength low-alloy weather-resistant structural steel plates, with added alloying elements such as Cu, Cr, Ni, and P, can form a dense and stable protective rust layer on the surface.
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