P275NH is a European standard steel plate for boiler pressure vessels, a normalised weldable fine grain steel.
According to EN10020, P275NH, P275NL1, P355NH, P355NL1 are non-alloyed quality grade steels.
Executive standard of P275NH: The executive standard is EN 10028-3:2009(E).
P275NH delivery status: delivery status is normalised.
P275NH flaw detection level: 'one probe, two probe, three probe'.
P275NH thickness can be made Z properties: Z15, Z25, Z35.
P275NH can do 1/2 place performance test.P275NH density: 7.85/m3.
P275NH Rational weight formula: thickness * width * length * density.
P275NH steel plate mechanical properties:
Grade: P275NH thickness ≤ 16; yield strength ≥ 275MPa; tensile strength 390-510MPa; elongation ≥ 24.
Grade: P275NH thickness 16-40; yield strength ≥ 265MPa; tensile strength 390-510MPa; elongation ≥ 24.
Grade: P275NH Thickness 41-60; Yield strength ≥255MPa; Tensile strength 390-510MPa; Elongation ≥24.
Grade: P275NH Thickness 61-100; Yield strength ≥235MPa; Tensile strength 370-490MPa; Elongation ≥23.
Grade: P275NH Thickness 101-150; yield strength ≥225MPa; tensile strength 360-480MPa; elongation ≥23.
Grade: P275NH Thickness 151-250; Yield strength ≥215MPa; Tensile strength 350-470MPa; Elongation ≥23.
P275NH steel plate is widely used in petroleum, chemical equipment dewatering tower, medium pressure flash evaporation tower, cooler.
