China · YB

45B

YB/T 5132:2007 — Alloy structural steel sheets

Chemical composition

ElementminmaxSimilarRemarks
B0.00050.0035
C0.420.49
Mn0.60.9
Si0.170.37

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
Condition not stated540–685≥16