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China 宝钢Q/BQB SPHDZ 自行车用热连轧钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SPHDZ / SPHDZ
Category Grade Standard Region/Area Standard Content
Metals SPHDZ BZJ 304 China 自行车用热连轧钢带

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

Element Min Max Similar
P - 0.0350 -
S - 0.0350 -
Mn - 0.5000 -
Si - 0.0500 -
C - 0.0900 -

Mechanical Properties of steel grade SPHDZ

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)
193 (≥) 933 (≥) 33 33 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade SPHDZ

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
32 - -     0.13 -  
591 989 - 14.3 324   -  
518 - 44 12.2   432 112

Heat Treatment of steel grade SPHDZ

Heat treated : 1786°C - 1235°C

Technological Curves of steel grade SPHDZ

Cross Reference Table (Equivalent Grade) of SPHDZ

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