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Keywords: ASTM A204 Grade B steel, ASTM A204 Gr.B steel, A204 Grade B plate, A204Gr.B plate, A204 Grade B carbon steel, A204 Grade B boiler steel plate, A204 Grade B pressure vessel plate, A204 Grade B eqivalent, A204 Grade B plate supplier

ASTM A204 Grade B steel (also called ASME SA204 Grade B plate) is a kind of molybdenum-alloy steel plates, which is particularly for welded boilers and high temperature pressure vessels. ASTM A204 steel plate covers 3 grades: A204 Grade A, A204 Grade B, A204 Grade 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 Grade B Hot Rolled Carbon Steel Plates Features:
Corrosion resistant
Accurate dimensions
Can sustain high pressure & temperature load
Rust proof finish
Smooth transition from flange thickness to pipe
Ensure excellent stress distribution