RINA Grade A/B/D/E Steel Plate For Shipbuilding

- Sep 18, 2017 -

Typical Applications:


  RINA GradeAH40/DH40/EH40/FH40 steel plates are used in manufacturing hull, maritime oil extraction drilling platform, platform tube junction and other structural components.

  Chemical Composition and Mechanical Property:


Grade

Chemical Composition(%)

C≤

Mn

Si

P≤

S≤

Al(cid)≥

Cu≤

RINA  AH40

0.18

0.90-1.60

0.10-0.50

0.035

0.035

0.015

0.35

RINA  DH40

RINA  EH40

RINA  FH40

0.16

0.025

0.025

 

Grade

Mechanical Property

Tensile Strength(MPa)

Yield Strength(MPa)

% Elongation in 2 in.(50mm) min

Impacting Test  Temperature(°C)

RINA  AH40

510-650

390

20

0

RINA  DH40

-20

RINA  EH40

-40

RINA  FH40

-60

  Delivery States:


  Heat treatment facilities for hot-rolled, controlled rolling, normalizing, annealing, tempering, quenching, normalizing plus tempering, quenching and tempering, and other delivery states are available as customers’ requirement.

  Tests:

  HIC, PWHT, Crack Detection, Hardness and DWTT test for pipelines steel plates are also available.


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