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Alloy steels are designated by AISI four-digit numbers. They comprise different kinds of steels which exceed the composition limits of Mn, C, Mo, Si, Ni, Va, and B set for carbon steels. They respond more quickly to mechanical and heat treatments than carbon steels.
The following datasheet will discuss in detail about AISI A514 grade B alloy steel, which has high yield strength.
The following table shows the chemical composition of AISI A514 grade B alloy steel.
| Element | Content (%) |
|---|---|
| Iron, Fe | 98 |
| Manganese, Mn | 0.85 |
| Chromium, Cr | 0.48 |
| Silicon, Si | 0.28 |
| Molybdenum, Mo | 0.2 |
| Titanium, Ti | 0.02 |
| Carbon, C | 0.12 - 0.210 |
| Vanadium, V | 0.05 |
| Boron, B | 0.003 |
The physical properties of AISI A514 grade B alloy steel are given in the following table.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.85 g/cm3 | 0.284 lb/in³ |
The mechanical properties of AISI A514 grade B alloy steel are outlined in the following table.
| 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 |
Other designations that are equivalent to AISI A514 grade B alloy steel include:
AMS A514 GRADE B
DIN S185 1.0035
JIS G3101 SS330
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