A204 Grade B Pressure Vessel Plate

A204 Grade B plate is used in fabricators serving industry, especially in the oil, gas and chemical supply markets. A204 GR.B steel plates is a kind of steel which with Cr, Mo, and mainly used for pressure vessels. The grade A204 GR.B material is according to ASTM standard which with the yield strength of 220 Mpa.

A204 Grade B Pressure Vessel Plate Specification
Category: alloy steel, pressure vessel steel, boiler steel
Relative grades: A204 GR.A, A204 GR.C
Use:welded boilers and other pressure vessels

ASTM A204 Grade B Steel Chemical Composition(%, by weight):

Grade	C	Mn	P	S	Si	Mo
A204 Grade B	0.20-0.27	0.98	0.025	0.025	0.13-0.45	0.41-0.64

A204 Grade B Pressure Vessel Steel Mechanical Properties:

Grade	Tensile Strength MPa(ksi)	Yield Strength MPa(ksi)	% Elongation in 8 in.(200mm) min	% Elongation in 2 in.(50mm) min
A204 Grade B	485-620(70-90)	≥275(40)	≥17	≥21

Heat Treatment
1-1/2 in. steel plates A204 Grade B [40mm] and under in thickness are normally supplied in the as-rolled condition. The plates may be ordered normalized or stress relieved or both. The ASTM A204 Grade B plates shall be normalized if over 40 mm.
Shanghai Katalor Enterprise is located in Pudong district of Shanghai city. It is only 30 minutes from Pudong International airport to our company. If you need A204 GR.B pressure vessel plates, A204 GR.B hot rolled plates, or A204 GR.B thick plates, we sincerely invite you to visit factory. We will pick you up at the airport if you tell us your schedule.

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