ASTM A131 AH40 Steel work is hot rolled high strength shipbuilding steel, general strength structure steel and high strength structure steel. ASTM A131 AH40 Steel Structure widely used in shipbuilding and off-shore platform construction;
The size for 18MnMoNi5-5 round bar which available for our KUNFENG steel are Ф 5-80 for hot rolled round bar and Ф 80-1200 for forged round bar ,the length range is from 3000 to 12000mm.
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