Mechanical And Structural Steel

ASTM A514/A517 GrQ Steel Plate For Offshore

ASTM A514/A517 GrQ Steel Plate For Offshore
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Product Details

ASTM A514 is a standard specification for high-yield-strength, Quenched and Tempered alloy steel plate for use in welded bridges and other structures. ASTM A517 covers high-strength quenched and tempered alloy steel plates intended for use in fusion welded boilers and other pressure vessels. The plates shall be subjected to heat treatment to conform to the tensile and hardness requirements for thickness, tensile strength, yield strength, elongation, reduction of area, and Brinell hardness.

 

ASTM A514 steel plates are also available in eight grades: A, B, E, F, H, P, Q and S. ASTM A517 steel plates are available in eight grades: B, S, H, Q, E, F, A and P. Rack for offshore platforms is generally with A514 or A517 Gr.Q or Grade Q modified that depends thickness. Their hardness is between 235-290, yield strength is greater than 620MPa and tensile strength is above 700MPa, suitable for offshore ad subsea structural application such as jack-up offshore platform piles.

 

Standards: ASTM A514/517 Grade Q

Thickness: 3/16"- 8"       

Width: 48" – 120"     

Length: Up to 480"

 

Chemical composition (Product analysis)

Standards

C

Mn

P

S

Si

Ni

Cr

Mo

V

A514

0.14-0.21

0.95-1.30

0.030

0.030

0.15-0.35

1.20-1.50

1.0-1.5

0.4-0.6

0.03-0.08

A517

0.12-0.23

0.95-1.30

0.025

0.025

0.15-0.35

1.20-1.50

1.0-1.5

0.4-0.6

0.03-0.08

 

 

Mechanical property

Standards

Tensile   strength, Mpa

Yield   strength, Mpa

Elongation   in 2mm

A514

690-895

620

16

A517

725-930

620

14

 

World Iron&Steel is a professional supplier of alloy steel plates and bars. We manufacture and distribute high quality steel grade Q steel plates for offshore application in accordance with ASTM A514 or A519 standards, specified delivery conditions and final customer specifications for industrial and commercial applications. Special sizes of steel bars and delivery issues can be further negotiated and we provide a wide range of solutions for purchasing departments to select alternative grades, contact us today!

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