ASME SA204 Grade A Pressure Vessel Steel is widely used in petroleum, chemical industry, power station, boiler, etc, used to make the reactor, heat exchanger, separator, spherical tank, liquefied gas, nuclear reactor pressure vessel, boiler steam drum steam, liquefied petroleum, hydropower station, high pressure pipe.
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SA204 Grade A Chemical Composition |
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C |
P |
S |
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SA204 Grade A |
0.18-0.25 |
0.13-0.45 |
0.90-0.98 |
0.035 |
0.035 |
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Mechanical Property of A203 Grade A steel plate |
SA204 Grade A |
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65-85 [450-585] |
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37 [255] |
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Elongation in 8 in. [200 mm], min, % |
19 |
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Elongation in 2 in. [50 mm], min, % |
23 |
Technical Requirements & Additional Services for SA204 Grade A steel plate:
♦ Normalised for thick plates over 40mm
♦ Simulated post-welded heat treatment (PWHT)
♦ Rolling under standard NACE MR-0175 (HIC+SSCC)
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
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