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Q235B steel plate
Q235B steel plate
Q235B steel plate
Q235B steel plate

Q235B steel plate

ASTM A36 Steel plate equivalent grade is Q235B in China. The two equivalent steel grades have much in common without any doubt. However, you will get to know that there are many difference between ASTM A36 steel plate and Q235B steel plate also if you check carefully the technical data comparison between Q235B and A36 as below :
Chemical Composition


Grade Chemical composition %
C Si Mn P S Cu
Q235B 0.2 max 0.35 max 1.40 max 0.045 max 0.045 max -
A36 0.26 max 0.40 max - 0.04 max 0.05 max 0.20 min
Mechanical Property
Grade Yield strength ReH/(N/mm2) (t≤16mm) min Tensile strength Rm/(N/mm2) (3mm≤t≤16mm) Elongation A/% (3mm≤t≤40mm) min Charpy V test
Temperature/℃ Impact energy (Longitudinal)/J min
Q235B 235 370-500 26 20 27
A36 250 400-550 23 - -
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