KR Grade A shipbuilding steel plates also can be used for ship repairing, the offshore oil drilling platform, the platform pipe joints and other components.The KR Grade A shipbuilding steel plate
s have yield strength of 34,100 psi (235 MPa), and ultimat
20Cr hot rolled and forged round bar is belong to Low harden ability carburizing steel under the standard of GB/T 3077-1999. 20Cr hot rolled and forged round bar has better weldability.Compared with 15 Cr hot rolled and forged round bar,it has higher
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