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NIROSTA 4550

Global 企业标准 NIROSTA4550 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: NIROSTA4550 / NIROSTA 4550
Category Grade Standard Region/Area Standard Content
Metals NIROSTA 4550 -- Global

Chemical composition(mass fraction)(wt.%) of the NIROSTA 4550

Element Min Max Similar

Mechanical Properties of steel grade NIROSTA 4550

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)
478 (≥) 873 (≥) 22 31 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade NIROSTA 4550

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
22 - -     0.33 -  
594 567 - 44.3 344   -  
487 - 24 31.2   432 212

Heat Treatment of steel grade NIROSTA 4550

Heat treated : 1463°C - 1812°C

Technological Curves of steel grade NIROSTA 4550

Cross Reference Table (Equivalent Grade) of NIROSTA 4550

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