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SUMITEN 80 HQ

Germany VdTüV SUMITEN80HQ High-strength fine grain steel SUMITEN HQ 80 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SUMITEN80HQ / SUMITEN 80 HQ
Category Grade Standard Region/Area Standard Content
Metals SUMITEN 80 HQ WB 455 Germany High-strength fine grain steel SUMITEN HQ 80

Chemical composition(mass fraction)(wt.%) of the SUMITEN 80 HQ

Element Min Max Similar
Pcm - 0.2800 -
C 0.0500 0.1600 -
Mn 0.6000 1.2000 -
P - 0.0250 -
S - 0.0150 -
Si 0.1500 0.5500 -
Ni 0.8000 1.6000 -
Cr 0.3000 0.7000 -
Mo 0.2000 0.6000 -
Cu 0.1500 0.3500 -
V - 0.0600 -
B - 0.0040 -

Mechanical Properties of steel grade SUMITEN 80 HQ

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)
782 (≥) 924 (≥) 11 31 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade SUMITEN 80 HQ

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
41 - -     0.32 -  
682 335 - 32.3 434   -  
956 - 43 44.2   241 232

Heat Treatment of steel grade SUMITEN 80 HQ

Heat treated : 1533°C - 1179°C

Technological Curves of steel grade SUMITEN 80 HQ

Cross Reference Table (Equivalent Grade) of SUMITEN 80 HQ

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