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High strength plate steel for pressure vessels with Ni elements 08Ni3DR, 06Ni9DR,…

Available materials(Product Standards: Q/BQB 665-2013)

GradeThickness(mm)
08Ni3DR
5-80
Mainly processed as structural component and equipment of pressure vessels at -100~100℃.
06Ni9DR
5-40
Mainly processed as structural component and equipment of pressure vessels at -196~100℃.

Chemical composition

Grade

Chemical composition%
CSiMnPSNiMoV
08Ni3DR
≤0.080.15-0.350.30-0.80≤0.010≤0.0053.25-3.70≤0.12≤0.05
06Ni9DR
≤0.08≤0.350.30-0.80≤0.008≤0.0048.50-10.0≤0.10≤0.01

Mechanical properties

Grade

Thickness(mm)Mechanical properties
YS(MPa)TS(MPa)EL%
08Ni3DR
5-60≥320490-620≥21
>60-80≥300480-610
06Ni9DR
5-30≥560680-820≥18
>30-40≥550

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