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L 210 H 21 NM

Poland PN L210H21NM Tool cast steel -- Grades and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: L210H21NM / L 210 H 21 NM
Category Grade Standard Region/Area Standard Content
Metals L 210 H 21 NM PN H83161 Poland Tool cast steel -- Grades

Chemical composition(mass fraction)(wt.%) of the L 210 H 21 NM

Element Min Max Similar
Si 0.3000 0.9000 -
S - 0.0400 -
P - 0.0400 -
Ni 0.5000 1.5000 -
Mo - 0.8000 -
Mn 0.3000 0.9000 -
Cr 20.0000 25.0000 -
C 1.9500 2.4500 -

Mechanical Properties of steel grade L 210 H 21 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)
266 (≥) 726 (≥) 22 41 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade L 210 H 21 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
14 - -     0.21 -  
274 277 - 21.3 333   -  
676 - 41 24.2   231 221

Heat Treatment of steel grade L 210 H 21 NM

Heat treated : 1369°C - 1156°C

Technological Curves of steel grade L 210 H 21 NM

Cross Reference Table (Equivalent Grade) of L 210 H 21 NM

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