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China 鞍钢Q/ASB SS55 冲压级和结构级连续热镀锌钢板和钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SS55 / SS55
Category Grade Standard Region/Area Standard Content
Metals SS55 Q/ASB 10 China 冲压级和结构级连续热镀锌钢板和钢带

Chemical composition(mass fraction)(wt.%) of the SS55

Element Min Max Similar
V - 0.0080 -
Mo - 0.0600 -
Cu - 0.2500 -
Ni - 0.2000 -
Cr - 0.1500 -
Nb - 0.0080 -
Ti - 0.0250 -
S - 0.0400 -
P - 0.0400 -
Mn - 1.3500 -
C - 0.2500 -

Mechanical Properties of steel grade SS55

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)
845 (≥) 251 (≥) 33 12 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade SS55

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
23 - -     0.31 -  
551 225 - 42.3 434   -  
735 - 33 44.2   111 242

Heat Treatment of steel grade SS55

Heat treated : 1369°C - 1442°C

Technological Curves of steel grade SS55

Cross Reference Table (Equivalent Grade) of SS55

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