ASTM A1066 Grade 550
ASTM A1066 Grade 550 introduction
High-Strength Low-Alloy Structural Steel Plate Produced by Thermo-Mechanical Controlled Process (TMCP)
ASTM A1066 Grade 550 general
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Charpy impact energy, V-notch | -23 °C | Charpy impact energy, V-notch of 48 J | average |
| Elongation | - | Elongation of 13 - 15 % | - |
| Tensile strength | - | Tensile strength of 620 MPa | min. |
ASTM A1066 Grade 550 chemical
| Property | Value | Comment |
|---|---|---|
| Aluminium | Aluminium of 0.02 % | min, total |
| Boron | Boron of 0.002 % | max. |
| Carbon | Carbon of 0.16 % | max. |
| Chromium | Chromium of 0.4 % | max. |
| Copper | Copper of 0.35 % | max. |
| Manganese | Manganese of 1 - 2 % | - |
| Molybdenum | Molybdenum of 0.4 % | max. |
| Nickel | Nickel of 0.7 % | max. |
| Niobium | Niobium of 0.1 % | max. |
| Phosphorus | Phosphorus of 0.03 % | max. |
| Silicon | Silicon of 0.15 - 0.5 % | - |
| Sulfur | Sulfur of 0.02 % | max. |
| Vanadium | Vanadium of 0.09 % | max. |
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