ASTM A203GrB,A203Gr.B,A203 GR B,A203 Grade B Steel Plates

ASTM A203GrB Pressure vessel Thick Steel Plate
 
Unitedsteel Steel Mill produced super thickness steel plate At ASTM A203 Grade A,A203 Grade B,A203 Grade D,A203 Grade E and A203 Grade F steel.
 
 
A203 Grade B steel grade is a nickel alloy steel plate in welded pressure vessels. For this A 203Grade B is max thickness in 150mm and the element of nickel is 2.25% to be used in manufacturing pressure vessel and boilers.
 
A203 Grade B yield and tensile strength is higher little than A203 Grade A.
A203 Grade B steel Chemical Requirements In product analysis under 50mm

Element	A203 Grade A  Max %
C	0.21
Si	0.13-0.45
Mn	0.78-0.88
P	0.035
S	0.035
Ni	3.18-3.82

 
A203 Grade B steel Tensile Requirements

Mechanical Property of A203 Grade B steel plate	A203 Grade B
Tensile strength, kis [MPa] 50mm or under Over 50mm Yield strength, min, kis [MPa] 50mm or under Over 50mm Elongation in 8 in. [200 mm], min, % Elongation in 2 in. [50 mm], min, %	Tensile strength, kis [MPa] 70-90 [485-620] 70-90 [485-620] Yield strength, min, kis [MPa] 40 [275] 40 [275] 17 21

 
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