ASTM A514 steel plate/sheet,ASTM A514 steel plate/sheet, under ASTM standard, we can regard A514 steel plate/sheet as high yield strength cold forming steels.ASTM A514 is mainly used as high strength steels for high yield strength cold forming steels.
ASTM A514 steel plate/sheet is a quenched and tempered high yield strength steel used in structural applications where high strength and low weight are critical.The tensile yield strength of A514 is specified as at least 100ksi(689MPa) for thicknesses up to 2.5 inched(63.5mm) thick plate,and at least 110ksi(758MPa) ultimated tensile strength,with a specified ultimate range of 110-130 ksi (758-896 MPa).Plates from 2.5 to 6.0 inches (63.5 to 152.4 mm) thick have specified strength of 90 ksi (621MPa yield) and 110-130 ksi (758-896 MPa).
| A514 Gr.A | A514 Gr.B | A514 Gr.C |
| A514 Gr.E | A514 Gr.F | A514 Gr.H |
| A514 Gr.J | A514 Gr.K | A514 Gr.M |
| A514 Gr.P | A514 Gr.Q | A514 Gr.T |
| A514 Gr.R | A514 Gr.S |
| Grade | C | Mn | P | S | Si | Ni | Cr | Mo | V | Ti | Cu | Co | B | Zr |
| A514Gr.A | 0.15-0.21 | 080-1.10 | 0.035 | 0.035 | 0.40-0.80 | - | 0.5-0.8 | 0.18-0.28 | - | - | - | - | 0.0025 | 0.05-0.15 |
| A514 Gr.B |
0.12-0.21 | 0.7-1.00 | 0.035 | 0.008 | 0.20-0.35 | - | 0.4-0.65 | 0.15-0.25 | 0.03-0.08 | 0.01-0.04 | 0.005 | - | ||
| A514 Gr.C |
0.10-0.20 | 1.1-1.50 | 0.035 | 0.035 | 0.15-0.30 | - | - | 0.15-0.25 | - | - | - | - | 0.001-0.005 | - |
A514 Steel Mechanical Properties
| Grade | Thickness (mm) |
Tensile strength .ksi [MPa] |
Yield strength Min ksi [MPa] |
Elongation in under 50mm,min by % | Hardness HBW |
| A514Gr.A | ≤20 20-65 |
760-895 760-895 |
690 690 |
18 18 |
235-293 |
| A514Gr.B | - | 110-130 ksi | 100 ksi, min | 16 in 2 inch | 235-293 |
| A514Gr.C | ≤20 20-65 |
760-895 760-895 |
690 690 |
18 18 |
235-293 |
A514 grades are A, B, E, F, H, P, Q, and S. Each grade has a unique chemistry and may differ in the maximum thickness to which it is rolled, from 1-1⁄4 in. to 6 in. The material thickness affects the mechanical properties. For instance, A514 rolled to 21⁄2 in. or less must have 110-KSI to 130-KSI tensile strength, 100-KSI minimum yield strength, and 18 percent elongation. For materials 21⁄2 to 6 in. thick, the mechanical properties are 100-KSI to 130-KSI tensile strength, 90-KSI minimum yield strength, and 16 percent elongation.
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