Hot rolled thickness of p295gh steel mechanical properties

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The characteristic of niobium in thickness of P295GH steel etc. steel material is to increase the recrystallization temperature of austenite, so as to achieve the purpose of refining austenite grains. In general, the amount of niobium added in steel material is less than 0.05%, and the contribution of niobium above 0.05% to strengthening and toughening will no longer be obvious.

thickness of p295gh steel, P355NH plate is high temperature pressure vessel plate.Chemical composition of P355NH material: C ≤ 0.18, Si ≤ 0.50, Mn: 1.10 - 1.70, P ≤ 0.025, S ≤ 0.015, Al ≥ 0.020, N ≤ 0.012, Cr ≤ 0.30, Cu ≤ 0.30, Mo ≤ 0.08, Nb ≤ 0.05, Ni ≤ 0.05, Ti ≤ 0.03, V ≤ 0.10.Tensile properties of P355NH steel plate: the tensile strength range is 630-450Mpa. The yield strength is more than 355-295Mpa (less than 16mm). Elongation after fracture is 21-22%

Strip steel thickness of p295gh steel is actually a very long sheet, supplied in coils. Strip steel can be produced on a continuous rolling mill with multiple stands. When cut into a fixed length, it is a sheet steel, so its productivity is higher than that of single sheet rolling.

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