The NK Grade D shipbuilding steel plates have yield strength of 34,100 psi (235 MPa), and ultimate tensile strength of 58,000 - 75,500 psi (400-520 MPa).NK Grade D shipbuilding steel plate is a kind of hot rolled general tensile strength steel.
CPMn40 steel round bar is a kind of Nickel steel bar. CPMn40 features good performance for heat treatment. The cutting process is good after do the normalizing treatment. Good quenching, can do quenching depth.
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