Q420D steel plate
Q420D steel plate,carbon plate q420d,metal plate q420d is one low temperature carbon structural steel material which is widely used for onshore and offshore platforms.Q420D steel plate owns minimum yield strength at 420 Mpa.
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Carbon plate q420d can be delivery as Q420ND OR Q420MD.
Q420ND steel plate shall be treated with Normalized,after normalized,metal plate q420d can be improved hardness,slightly reduce the plasticity.
Q420MD steel plate shall be treated with TMCP (Thermal Mechanical Control Processing),after TMCP,Q420D steel plate is assured to have stronger toughness owning to grain refining and precipitation strengthening.
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