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70Ti Grade CRB1170

China GB 70TiGradeCRB1170 冷轧带肋钢筋 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals 70Ti Grade CRB1170 GB 13788 China 冷轧带肋钢筋

Chemical composition(mass fraction)(wt.%) of the 70Ti Grade CRB1170

Element Min Max Similar

Mechanical Properties of steel grade 70Ti Grade CRB1170

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
853 (≥) 763 (≥) 22 42 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade 70Ti Grade CRB1170

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
24 - -     0.33 -  
584 326 - 32.3 241   -  
752 - 23 23.2   413 244

Heat Treatment of steel grade 70Ti Grade CRB1170

Heat treated : 1559°C - 1844°C

Technological Curves of steel grade 70Ti Grade CRB1170

Cross Reference Table (Equivalent Grade) of 70Ti Grade CRB1170

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