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ABS Shipbuilding Structural Steel

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The common strength shipbuilding structure steel is divided into four grades A, B, D, and E. The yield strength of these four grades of steel (not less than 235N/mm^2) and the tensile strength (400~520N/mm^2) are the same. , but the impact energy at different temperatures is different;

ABS Shipbuilding Structural Steel application:
Used in the building of structural parts of ships, barges and marine.

ABS Shipbuilding Structural Steel Grade A B D E Chemical Composition:

Grade

T: 8-600MM

ABS A

ABS B

ABS D

ABS E

Chemical Composition % ≤

C

0.21

0.21

0.21

0.18

Mn(≥)

2.5*C

0.80

0.60

0.70

P

0.035

0.035

0.035

0.035

S

0.035

0.035

0.035

0.035

Si

0.50

0.35

0.10-0.35

0.10-0.35

ABS Shipbuilding Structural Steel Grade A B D E Mechanical Property:

Grade

T: 8-600MM

ABS A

ABS B

ABS D

ABS E

Mechanical Property ≥

Yield Strength(Mpa)

235

235

235

235

Tensile Strength(Mpa)

400-520

400-520

400-520

400-520

Impacting Test temperature(℃)

 

20

0

-20

-40

Mark

 

AB/A

AB/B

AB/D

AB/E

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