A204 Grade A (A204Gr.A) steel is a molybdenum-alloy steel plate, intended particularly for welded boilers and other pressure vessels. Plates under ASTM A204 boiler steel standard are available in three grades having different strength levels: A204 Grade A; A204 Grade B; and A204 Grade C. The minimum yield strength of A204Gr.A steel is 255 MPa,tensile strength within 450-585 MPa. Equivalent: 15Mo3, 16Mo3 ASTM A204 boiler steel plate size Thickness: 3-250mm Width: 1220-4200mm Length: 3000-18000mm Notes: coil thickness �¢?�¤ 25mm Why Choose BBN Steel? 1. Competitive price and quality from our own factory 2. Approved by ISO9001, CE, SGS every year 3. Best online service with 24 hours reply 4. Deep processing service: cutting, welding, drilling, grinding, turning 5. Smooth production ability (3000tons/month)