• 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

The application of marine steel

Marine steel mainly includes marine steel plate, profile (including angle steel, H-shaped steel, T-shaped steel, I-shaped steel, ball flat steel), and marine steel pipe, etc. Among them, marine steel plate is the most important marine steel. As far as the ship itself is concerned, the main uses of various marine steels are as follows:  
Steel plate: for hull  
Angle steel and section steel: for hull structure
Ball flat steel: for keel
Marine steel pipe: for infusion pipe and pressure pipe

Structural steel for hull can be divided into general and special ships use steel according to the purpose. General ships mainly use general strength and high strength marine steel, special ships such as liquefied gas ships use low temperature ductile steel, bulk chemical ships use austenitic stainless steel, duplex stainless steel and composite steel.