ASTM A131 Grade A Shipbuilding Steel Plate 

Grade A steel plate is used for shipbuiling's hull structure and platform. The shipbuilding steel plate grade A is the common tensile strength steel. It has good toughness properties and higher strength, strong corrosion-resistance,the processing properties,and welding properties.ASTM A131 Grade A Steel Plate can be used in the manufacture of the ship's hull structure whose weight is below 10000 tons,and usually do navigation around coastal and river area. Grade A shipbuiling steel plate specification: Thickness: 4mm to 260mm, Width: 1200mm to 4000mm Length: 3000mm to 18000mm. Grade A Steel Plate Chemical Composition Grade C max Si max Mn P max S max Grade A 0.21 0.50  ≥ 2.5C 0.035…