Home » Beam steel » GB/T 11263 Q355NE H150×75×5×7 BEAM,Q355D H beams,q355b h beam
GB/T 11263 Q355NE H150×75×5×7 BEAM,Q355D H beams,q355b h beam
Q355NE H150×75×5×7 BEAM,Q355D H beams,q355b h beam are rolling from chinese standard specification GB/T 11263-2017,H beam is most common used as beam and column members in steel structures for industrial and civil buildings.
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GB/T 11263 Q355NE H150×75×5×7 BEAM,N is for Normalized treatment,E is for charpy impact testing shall be done at -40 Deg.C.
Q355D H beams,q355b h beam,these two steel grades own the same higher tensile strength and yield strength,the main different is the operating temperature for charpt-V notch impact testing:
Q355D H beams have to be done at -20 Deg.C (Low temperature)
Q355B H beam have to be done at 20 Deg.C (Room temperature)
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