S30C is under JISG 4051-79（94）standard. S30C features for its high strength and hardness, good weldability, toughness, machinability and so on. Common diameter for hot rolled steel bar: 6mm to 85mm Common diameter for forged steel bar: 80mm to 1200mm
The NK FH40 shipbuilding steel plates have yield strength of 56,500 psi (390 MPa), and ultimate tensile strength of 74,000 - 94,500 psi (510-650 MPa).All of NK FH40 shipbuilding steel plates have been engineered to be optimal long-lived shipbuilding steel
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