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China 首钢Q/SG SPHF 冷成型用低碳钢热连轧钢板和钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SPHF / SPHF
Category Grade Standard Region/Area Standard Content
Metals SPHF Q/SGZGS 314 China 冷成型用低碳钢热连轧钢板和钢带

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

Element Min Max Similar
C - 0.0600 -
Si - 0.0500 -
Mn - 0.5000 -
P - 0.0200 -
S - 0.0200 -
Alt 0.0100 - -

Mechanical Properties of steel grade SPHF

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)
689 (≥) 823 (≥) 22 41 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade SPHF

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 - -     0.22 -  
267 131 - 12.3 241   -  
941 - 24 34.2   224 222

Heat Treatment of steel grade SPHF

Heat treated : 1987°C - 1437°C

Technological Curves of steel grade SPHF

Cross Reference Table (Equivalent Grade) of SPHF

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