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BBN steel is prominent manufacturer, supplier and exporter of quenched and tempered alloy steel SA514 Grade B plate. SA514 Grade B plate is high strength alloy steel. With good SA514 Grade B plate properties, the alloy steel SA514 Grade B is roughly three times stronger than general carbon steel.
Quenched and tempered alloy steel SA514 Grade B plate properties:
| Properties | Metric | Imperial |
| Tensile strength | 760-895 MPa | 110000-130000 psi |
| Yield strength (@ strain 0.200%) | 690 MPa | 100000 psi |
| Bulk modulus (typical for steel) | 140 GPa | 20300 ksi |
| Shear modulus (typical for steel) | 80 GPa | 11600 ksi |
| Elastic modulus | 190-210 GPa | 27557-30458 ksi |
| Poisson's ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break (in 50 mm) | 18% | 18% |
| Hardness, Brinell (@ thickness 9.50 mm/0.374 in, for plates) | 235-293 | 235-293 |
| Hardness, Knoop (converted from Brinell hardness) | 289 | 289 |
| Hardness, Rockwell B (converted from Brinell hardness) | 98 | 98 |
| Hardness, Rockwell C (converted from Brinell hardness) | 26 | 26 |
| Hardness, Vickers (converted from Brinell hardness) | 278 | 278 |
Based on such SA514 Grade B plate properties, the quenched and tempered alloy steel SA514 Grade B offers high strength with weldable, machinable properties. SA514 Grade B plate is commonly used as structural steel in cranes or large heavy-load machines.
