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ASTM A204 alloy steel plates China supplier

Based on it’s Mo composition, ASTM A204 alloy steel plate covers 3 grades: A, B, C. The maximum plate thickness is limited only by the chemical composition to achieve certain mechanical property figure; steel plate and coils under this specification normally limit thickness as follows: ASTM A204 grade A: 6 in[150mm]; ASTM A204 grade B: 6 in[150mm]; ASTM A204 grade C: 4 in[100mm]

ASTM A204 boiler steel equivalent

Dimensions of A204 grA, A204 grB Steel Plates:

Thickness from 5mm to 150mm

Width: from 1,500mm to 2,500mm

Length: from 6,000mm to 12,000mm

Technical conditions

Ultrasonic tested as per SA 578 or any other as per requirement

2) MTC acc to EN 10204 3.1 / 3.2

3) Charpy Impact tested at -20 /-46 DegC.

4) Furnace Normalised

5) BQ Plates with IBR form IV<

Supplementary Test HIC Test | NACE MR0175 | Z15 | Z25 | Z35 | S1 | S2 | S3 | S4.1 | S5 | S6 | S7 | S8 | S9| S11 | S12 | S14 | S17

Pressure vessel steel, the implementation of technical standards for ASTM, alloy steel plate A204 grA, A204 grB are 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, spiral case and other equipment and components.

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