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BR300/450HE

Global 企业标准 BR300/450HE and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: BR300/450HE / BR300/450HE
Category Grade Standard Region/Area Standard Content
Metals BR300/450HE -- Global

Chemical composition(mass fraction)(wt.%) of the BR300/450HE

Element Min Max Similar
Si - 1.2000 -
S - 0.0100 -
P - 0.0500 -
Mn - 2.0000 -
Cr+Mo+Ni - 1.5000 -
C - 0.1800 -
Al 0.0100 - -

Mechanical Properties of steel grade BR300/450HE

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)
888 (≥) 581 (≥) 12 12 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade BR300/450HE

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
43 - -     0.32 -  
826 877 - 42.3 114   -  
266 - 44 23.2   233 311

Heat Treatment of steel grade BR300/450HE

Heat treated : 1916°C - 1169°C

Technological Curves of steel grade BR300/450HE

Cross Reference Table (Equivalent Grade) of BR300/450HE

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