• Improper welding of X80 pipeline may cause cracks
• 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
• The key to Q460D steel welding process
• What does the heat treatment of Q690 Steel include?
• Reasons for choosing Q690D steel

Marine grade ASTM A131 AH36 VS DH36 shipbuilding steel plate

Marine grade ASTM A131 AH36 VS DH36 shipbuilding steel plate, ASTM A131 AH36 steel plate is a kind of normal temperature steel, while DH36 shipbuilding steel plate is a kind of low temperature steel.

Marine grade ASTM A131 AH36 VS DH36 shipbuilding steel plate, the impact test of ASTM A131 AH36 steel plate is done at 0 Dec. While the impact test of DH36 shipbuilding steel plate is done at -20 Dec.

Marine grade ASTM A131 AH36 VS DH36 shipbuilding steel plate, ASTM A131 AH36 steel plate is OK for normal ship use. For ice breaker, it needs to use DH36 shipbuilding steel plate or E grade steel.

Meanwhile, the chemical composition of marine grade ASTM A131 AH36 and DH36 shipbuilding steel plate are the same.