Pressure vessel steel plate covers a range of steel grades that are designed for use in pressure vessel, boilers, heat exchangers and any other vessel that contains a gas or liquid at high pressures. Familiar examples include gas cylinders for cooking and for welding, oxygen cylinders for diving and many of the large metallic tanks that you see in an oil refinery or chemical plant. There is a huge range of different chemicals and liquid that that stored and processed under pressure. These range from relatively benign substances such as milk and palm oil to crude oil and natural gas and their distillates to highly lethal acids and chemicals such as methyl isocyanate. So of these processes need the gas or liquid to be very hot, whilst others contain it at very low temperatures. As a result there is a wide variety of different pressure vessel steel grades that meet the different use cases.
Grade | Chemical Composition(%) | ||||
C | Mn≥ | Si | P | S | |
ASTM A515 Grade 70(A515GR70) | 0.31-0.35 | 1.3 | 0.13-0.45 | 0.035 | 0.035 |
Grade | Mechanical Property | ||||
Tensile Strength(MPa) | Yield Strength(MPa) | % Elongation in 2 in.(50mm) min | Impacting Test Temperature(°C) |
| |
ASTM A515 Grade 70(A515GR70) | 485-620 | 260 | 21 | -20,40,-60 |
|
Grade | Chemical Composition(%) | ||||
C | Mn≥ | Si | P | S | |
ASTM A515 Grade 65(A515GR65) | 0.28-0.33 | 0.98 | 0.13-0.45 | 0.035 | 0.035 |
Grade | Mechanical Property | ||||
Tensile Strength(MPa) | Yield Strength(MPa) | % Elongation in 2 in.(50mm) min | Impacting Test Temperature(°C) |
| |
ASTM A515 Grade 65(A515GR65) | 450-585 | 240 | 23 | -20,40,-60 |
|
Grade | Chemical Composition(%) | ||||
C | Mn≥ | Si | P | S | |
ASTM A515 Grade 60(A515GR60) | 0.24-0.31 | 0.98 | 0.13-0.45 | 0.035 | 0.035 |
Grade | Mechanical Property | ||||
Tensile Strength(MPa) | Yield Strength(MPa) | % Elongation in 2 in.(50mm) min | Impacting Test Temperature(°C) |
| |
ASTM A515 Grade 60(A515GR60) | 415-550 | 220 | 25 | -20,40,-60 |
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