China · GB

30

GB 3206:1982 — Carbon constructional quality steel wires

Chemical composition

wt% · log scale
0.010.1110C0.27 – 0.34Cr0.25Cu0.25Mn0.5 – 0.8Ni0.3P0.035S0.035Si0.17 – 0.37
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2539–784 MPaElongation A≥7 %Reduction of area Z≥35 %WiresTensile strength Rm635–980 MPaTensile strength Rm540–785 MPaElongation A≥7 %Reduction of area Z≥35 %cold drawnsteel wire

Chemical composition

ElementminmaxSimilarRemarks
C0.270.34
Cr0.25
Cu0.25
Mn0.50.8
Ni0.3
P0.035
S0.035
Si0.170.37

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
Wires539–784≥7≥35
cold drawnsteel wire635–980 非标准数据，仅供参考；540–785 非标准数据，仅供参考≥7 非标准数据，仅供参考≥35 非标准数据，仅供参考