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22 H 2 NM

Poland PN 22H2NM Steel for elevated temperature service -- Grades and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 22H2NM / 22 H 2 NM
Category Grade Standard Region/Area Standard Content
Metals 22 H 2 NM PN H84024 Poland Steel for elevated temperature service -- Grades

Chemical composition(mass fraction)(wt.%) of the 22 H 2 NM

Element Min Max Similar

Mechanical Properties of steel grade 22 H 2 NM

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)
879 (≥) 797 (≥) 34 22 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade 22 H 2 NM

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
13 - -     0.33 -  
129 182 - 24.3 321   -  
568 - 22 13.2   242 111

Heat Treatment of steel grade 22 H 2 NM

Heat treated : 1359°C - 1145°C

Technological Curves of steel grade 22 H 2 NM

Cross Reference Table (Equivalent Grade) of 22 H 2 NM

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