1. 20MnD5 nuclear power steel is mainly used in the manufacture of evaporators, voltage stabilizers, pressure vessels and heads in nuclear power projects. 20MnD5 steel plate has good hardenability, high temperature performance and low temperature temper brittleness, and good weldability. 20MnD5 nuclear power steel can add flaw detection, Z-direction performance, and grain size requirements according to customer requirements.
2. Chemical composition of 20MnD5 nuclear power steel plate:
C: 0.23; Si: 0.15-0.30; Mn: 1.11-1.59; P: 0.008; S: 0.005; Mo: 0.43-0.62; Ni: 0.37-0.73; Cu: 0.20; Cr: 0.25; V: 0.03.
3. Mechanical properties of 20MnD5 nuclear power steel plate:
Tensile strength of 20MnD5 nuclear power steel plate: 450
Yield strength of 20MnD5 nuclear power steel plate: 620-790
20MnD5 nuclear power steel plate thickness reduction of area: 35%
4. 20MnD5 nuclear power steel is usually delivered in a normalized state, and the delivery cycle is about 35 days.