What is ASTM A131 Grade B Shipbuilding Steel Plate

ASTM A131 grade B hull steel is common strength shipbuilding steel, and it is mainly used for making the hull of ship building and ship repairing, the platform pipe joints and other components.

For ASTM A131 grade B Marine Steel Plates rolling, As rolled and Control Rolled is ok for A131 grade B Shipbuilding Steel Plate with the thickness equal and belows 40 millimeters. For thickness above 40mm plate, the heat treatment shall be Normalised or TMCP, those two technical treatment would improve A131 grade B hull steel strength in yield and tensile points.

ASTM A131 Grade B Shipbuilding steel plate is mainly used to Shipbuilding Project and Ocean Offshore Structural Project.

ASTM A131 Grade B Shipbuilding steel plate, ASTM A131 Grade B Ship steel plate, ASTM A131 Grade B Marine steel plate, ASTM A131 Grade B steel plate .

UT(Ultrasonic examination), AR(As Hot Rolled only), TMCP(Thermal Mechanical Control Processing), N(Normalized), Q+T(Quenched and Tempered),Z Direction Test(Z15,Z25,Z35), Charpy V-Notch Impact Test, The Third Party Test (such as SGS Test), Coated or Shot Blasting and Painting.

♦ High tension test
♦ Z-Test (Z15,Z25,Z35)
♦ Low temperature impacting test
♦ Ultrasonic test under ASTM A435,A577,A578
♦ Cetificated by ABS,LR,GL,BV,DNV,KR,NK,CCS,RINA
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and Painting,Cutting and welding as per end user's demands

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