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China 首钢Q/SG DDS 冷轧低碳钢板及钢带 第5部分:美标牌号 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: DDS / DDS
Category Grade Standard Region/Area Standard Content
Metals DDS Q/SGZGS 324.5 China 冷轧低碳钢板及钢带 第5部分:美标牌号

Chemical composition(mass fraction)(wt.%) of the DDS

Element Min Max Similar
C - 0.0600 -
Mn - 0.5000 -
P - 0.0200 -
S - 0.0250 -
Alt 0.0100 - -

Mechanical Properties of steel grade DDS

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)
732 (≥) 813 (≥) 14 14 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade DDS

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 - -     0.42 -  
629 672 - 32.3 224   -  
186 - 24 31.2   143 222

Heat Treatment of steel grade DDS

Heat treated : 1866°C - 1331°C

Technological Curves of steel grade DDS

Cross Reference Table (Equivalent Grade) of DDS

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