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• Brief introduction of API X52 pipeline steel
• The difference between PSL1 and PSL2
• Harm of inclusions in X70 pipeline steel
• API 5L pipeline pipe
• X52 steel plate surface quality standards that need to be met
• The basic production process of API 5L X60 pipeline steel
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• What does the heat treatment of Q690 Steel include?
• Reasons for choosing Q690D steel

Can A131 AH36 steel plate and GL grade A steel plate replace each other

For A131 AH36 steel plate, H stands for high strength, 36 stands for 360MPa, A stands for steel grade, which can be divided into four grades (A, B, D, E), so the code means that the allowable pressure is 360MPa high strength A-class marine steel. The general strength structural steel of A131 standard is divided into four quality grades (i.e. A131 grade A, A131 grade B, A131 grade D, A131 grade E); the high strength structural steel of A131 standard is divided into three strength level, four quality levels.

GL grade A steel plate is general strength hull structural steel, and A131 AH36 steel plate is high strength hull structural steel. Obviously, it is not suitable to replace A131 AH36 steel plate and GL grade A steel plate with each other. That is to say, the general strength GL grade A steel plate can not replace the high strength A131 AH36 steel plate, and the replacement of the high strength A131 AH36 steel plate for general strength GL grade A steel plate is obviously unreasonable from the cost point of view.