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Hungary MSZ KL10 Steels for boilers and pressure vessels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: KL10 / KL 10
Category Grade Standard Region/Area Standard Content
Metals KL 10 MSZ 1741 Hungary Steels for boilers and pressure vessels

Chemical composition(mass fraction)(wt.%) of the KL 10

Element Min Max Similar
V 0.2000 0.3500 -
Si 0.1500 0.4000 -
S - 0.0300 -
Pb - 0.0350 -
P - 0.0350 -
Ni - 0.0350 -
Mo 0.4000 0.6000 -
Mn 0.4500 0.7500 -
Cr 0.5000 0.7500 -
C 0.0900 0.1700 -

Mechanical Properties of steel grade KL 10

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)
138 (≥) 461 (≥) 32 33 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade KL 10

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
24 - -     0.13 -  
692 946 - 11.3 143   -  
785 - 44 42.2   313 422

Heat Treatment of steel grade KL 10

Heat treated : 1481°C - 1868°C

Technological Curves of steel grade KL 10

Cross Reference Table (Equivalent Grade) of KL 10

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