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Japan JIS E690DD 焊接结构用高屈服强度钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: E690DD / E 690 DD
Category Grade Standard Region/Area Standard Content
Metals E 690 DD JIS G3128 Japan 焊接结构用高屈服强度钢板

Chemical composition(mass fraction)(wt.%) of the E 690 DD

Element Min Max Similar

Mechanical Properties of steel grade E 690 DD

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)
829 (≥) 326 (≥) 12 21 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade E 690 DD

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
42 - -     0.42 -  
642 824 - 23.3 443   -  
327 - 22 44.2   314 434

Heat Treatment of steel grade E 690 DD

Heat treated : 1674°C - 1958°C

Technological Curves of steel grade E 690 DD

Cross Reference Table (Equivalent Grade) of E 690 DD

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