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Global 企业标准 HTMO355 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: HTMO355 / HTMO 355
Category Grade Standard Region/Area Standard Content
Metals HTMO 355 -- Global

Chemical composition(mass fraction)(wt.%) of the HTMO 355

Element Min Max Similar
Si - 0.0300 -
S - 0.0300 -
P - 0.0300 -
Mn - 0.7500 -
C - 0.1500 -
Al 0.0200 0.0800 -

Mechanical Properties of steel grade HTMO 355

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)
294 (≥) 953 (≥) 14 24 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade HTMO 355

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
34 - -     0.23 -  
589 693 - 33.3 423   -  
996 - 31 43.2   322 114

Heat Treatment of steel grade HTMO 355

Heat treated : 1578°C - 1759°C

Technological Curves of steel grade HTMO 355

Cross Reference Table (Equivalent Grade) of HTMO 355

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