China · YB

45B

YB/T 037:1993 — Quality structure cold-draw flat steels

Chemical composition

ElementminmaxSimilarRemarks
B0.00050.0035
C0.420.49
Cr0.3
Mn0.60.9
Ni0.3
P0.035
S0.035
Si0.170.37

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
cold drawnflats/bars, cold drawn or heat treated≥685 非标准数据,仅供参考≥835 非标准数据,仅供参考≥12 非标准数据,仅供参考≥45 非标准数据,仅供参考HB ≤229 非标准数据,仅供参考;HB ≤255 非标准数据,仅供参考