High Strength Steel Sheet A514grq
high strength steel sheet a514grq
A514GrQ is a Marine high-strength plate, ASTM A514GrQ is a high-strength tempered alloy steel plate. A514Gr.Q is a high strength weldable steel plate quenched and tempered under ASTM standard. Application: It is suitable for construction machinery and the rack of jack-up offshore drilling platform with a thickness of 80 ~ 152mm.
Implementation standard: ASTM. A514 is a high strength weldable steel plate quenched and tempered under ASTM standards, which is mainly used in places requiring high tensile strength and high yield, engineering automobile lifting gear, rack for ocean platform, etc.
Hot Rolled ASTM A514grq Chemical Composition and Mechanical Property
| Grade | C | Mn | P | S | SI | Ni | Cr | Mo | V | Ti | Zr | Cu | B |
| A514GrQ | 0.14-0.21 | 0.95-1.30 | ≤0.035 | ≤0.04 | 0.15-0.35 | 1.20-1.50 | 1.00-1.50 | 0.40-0.60 | 0.03-0.08 | ~ | ~ | ~ | ~ |
| A514GrQ | less 3/4 inch | 690 | 760-895 | 18 | 235 |
| over 3/4 to 2 1/2 | 690 | 760-895 | 18 | ~ | |
| over 2 1/2 to 6 inch | 620 | 690-895 | 16 | ~ |
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