EQ51 Shipbuilding / marine steel chemical composition - Henan Seed Steel Metal Materials Co., Ltd.

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EQ51 Shipbuilding / marine steel chemical composition

ABS EQ51 Marine steel,ABS Grade EQ51 shipbuilding steel ,ABS EQ51 steel plate,ABS EQ51 ship plate,ABS EQ51 shipbuilding steel plate which are rolled under quenching and tempering.For most steel mills,ABS agency just approved them to roll ABS Grade EQ51 with the maximum thickness till 100 millimeters,however,we can roll ABS EQ51 shipbuilding steel plate till 300 millimeters in advantage of our superb technical supports from our excellent engineers.Our heavyshipbuilding steel plate ABS EQ51 were used on many cranes projects in many famous shipyards all over the world.


For the thickness above 100 millimeters of ABS EQ51 ship plate,heat teatment when rolling have to be done under QT.This is for guarantee steel properity on yield and tensile strength.For chemical composition of ABS EQ51 shipbuilding steel plate and sheet,please see the below tables:

Chemical composition of Heat analysis for Shipbuilding steel plate ABS EQ51 (Max %):

C

Si

Mn

P

S

N

0.20

0.55

1.7

0.030

0.030

0.02

Mechanical properties for Shipbuilding steel plate ABS EQ51:

Yield strength (Mpa)  Min.

Tensile strength (Mpa)

Steel Mark

500

610-770

AB/EQ51




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