W1A-8 1/2 forge round bar is a kind of alloy bar, and it is widely used in Large-scale locomotive, coal machine, petroleum machinery, shipbuilding, war industry, automobile and mould industries and so on. The following is for your reference.
RINA steels come 4 grades in ordinary-strength steel for shipbuilding and grade A is the lowest one of them. RINA Grade A shipbuilding steel plates have yield strength of 34,100 psi (235 MPa), and ultimate tensile strength of 58,000 - 75,500 psi (400-520
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