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EU EN 1.4449 承压钢锻件 - 第5部分:马氏体,奥氏体和奥氏体-铁素体不锈钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 1.4449 / 1.4449
Category Grade Standard Region/Area Standard Content
Metals 1.4449 EN 10222-5 EU 承压钢锻件 - 第5部分:马氏体,奥氏体和奥氏体-铁素体不锈钢

Chemical composition(mass fraction)(wt.%) of the 1.4449

Element Min Max Similar

Mechanical Properties of steel grade 1.4449

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)
813 (≥) 998 (≥) 44 14 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade 1.4449

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
12 - -     0.31 -  
818 156 - 23.3 324   -  
337 - 43 12.2   233 124

Heat Treatment of steel grade 1.4449

Heat treated : 1518°C - 1685°C

Technological Curves of steel grade 1.4449

Cross Reference Table (Equivalent Grade) of 1.4449

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