Grade E550 structural steel is a marine steel plate for high toughness marine routes. Grade E550 steel plate has the characteristics of high strength, high toughness, fatigue resistance, laminar tear resistance and good welding performance. It is often used in offshore oil and gas drilling and development fields for offshore engineering equipment and the manufacture of related supporting equipment. Optional classification society certification, such as: DNV/E550, ABS/E550, etc.
Grade E550 steel chemical composition
Grade |
C |
Si |
Mn |
P |
S |
N |
Ni |
Cr |
Mo |
|
EH550 |
≤0.2 |
≤0.55 |
≤1.7 |
≤0.025 |
≤0.025 |
≤0.02 |
0.14-1.4 |
≤0.7 |
≤0.4 |
Delivery status
The delivery state of the steel is quenched + tempered QT, TMCP, TMCP + tempered.
Application in marine engineering
Grade E550 marine structural steel plate manufacturing ocean-going, coastal and inland waterway navigating ships, fishing boats and marine engineering structures.
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