Description
Technical Parameters
ASTM A812 HSLA Steel Grade 80 Sheet
ASTM A812 Grade 80 is a high-strength low-alloy hot-rolled thin-wall material steel plate used in the manufacture of multi-layer pressure vessels. A812 is divided into two grades or grades: A812 Grade 65 and A812 Grade 80.
ASTM a812 gr.80 high strength sheet metal Chemical composition
| Component Elements Properties | Original Value | Comments |
|---|---|---|
| Carbon, C | <= 0.23 % | |
| Chromium, Cr | <= 0.35 % | |
| Iron, Fe | >= 97.2 % | As Balance |
| Manganese, Mn | <= 1.5 % | |
| Nb + V | 0.020 - 0.15 % | |
| Niobium, Nb (Columbium, Cb) | <= 0.050 % | |
| Phosphorus, P | <= 0.030 % | |
| Silicon, Si | 0.15 - 0.50 % | silicon-killed steel |
| Sulfur, S |
ASTM a812 gr.80 high strength structural steel sheet mechanical property
| Mechanical Properties | Original Value | Comments |
|---|---|---|
| Tensile Strength at Break | >= 100000 psi | Varies with size and form |
| Tensile Strength, Yield | >= 80000 psi | Varies with size and form |
| Elongation at Break | 11 - 13 % | in 50 mm (2 in.); Varies with size and form |
| Modulus of Elasticity | 205 GPa | Typical of steel |
| Poissons Ratio | 0.28 | Calculated |
| Shear Modulus | 80.0 GPa | Typical of steel |
ASTM a812 gr.80 high tensile steel sheet physical properties
| Quantity | Value | Unit |
|---|---|---|
| Thermal expansion | 16 - 17 | e-6/K |
| Thermal conductivity | 16 - 16 | W/m.K |
| Specific heat | 500 - 500 | J/kg.K |
| Melting temperature | 1370 - 1400 | °C |
| Service temperature | 0 - 500 | °C |
| Density | 8000 - 8000 | kg/m3 |
| Resistivity | 0.7 - 0.7 | Ohm.mm2/m |
ASTM A812 gr.80 High-Strength Low Alloy (HSLA) Steel Plates Products image
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