A514GrQ Sheet
A514GrQ sheet
Racks used for offshore platforms are generally A514Gr.Q or A514Gr.Qmodified, depending on thickness, with a hardness between 235 and 290 and a yield greater than 630MPa, tensile strength of more than 700MPa, the processing of this steel plate is more difficult, the domestic use is not too much, but in the United States, the use of A514 It's a huge amount. A514GrQ is mainly used for the rack production of jack-up offshore drilling platforms. A514Gr.Q Technical specifications for offshore oil platforms A514Gr.Q US standard.
ASTM A514 Grade Q steel plate Chemical Composition Max (%)
| A514 Grade J | C | Mn | P | S | Si | Ni | Cr | Mo | V | Ti | Zr | Cu | B | Nb |
| 0.12-0.21 | 0.45-0.70 | 0.035 | 0.035 | 0.20-0.35 | - | - | 0.50-0.65 | - | - | - | - | 0.001-0.005 | - |
A514 Gr Q Steel Plate Mechanical Property
| Grade | Thickness | Yield | Tensile | Elongation |
| A514 grade J | mm | Min Mpa | Mpa | Min % |
| 20 | 690 | 760-895 | 18 |
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