P690QH is a welded fine grain steel, European standard container plate, which can provide technical requirements: flaw detection, Z15-Z35 thickness direction performance requirements, high strength and high toughness requirements, etc.
Chemical composition of P690QH steel plate:
C≤0.2; Si≤0.8; Mn≤1.7; P≤0.025; S≤0.010; Ni≤2.5; Cr≤1.5; Mo≤0.7; Cu≤0.3; Nb≤0.06; V≤0.12; N≤0.015; B≤0.005.
Composition remarks: the proportion of grain refining elements should be at least 0.015, and aluminum is also included in these elements, with Als ≥ 0.015 and Alt ≥ 0.018.
P690QH steel plate executive standard EN 10028-6.
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