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14 MNDV 5

France AFNOR NF 14MNDV5 Iron and steel. Steel plate for boilers and pressure vessels. High yield strength heat treated alloy steels. Grades and types and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 14MNDV5 / 14 MNDV 5
Category Grade Standard Region/Area Standard Content
Metals 14 MNDV 5 NF A36-210 France Iron and steel. Steel plate for boilers and pressure vessels. High yield strength heat treated alloy steels. Grades and types

Chemical composition(mass fraction)(wt.%) of the 14 MNDV 5

Element Min Max Similar
V 0.0400 0.0800 -
Si 0.1000 0.4000 -
S - 0.0120 -
P - 0.0150 -
Ni 0.4000 0.9000 -
Mo 0.4000 0.6500 -
Mn 1.1500 1.6500 -
Cr - 0.3000 -
C - 0.1600 -

Mechanical Properties of steel grade 14 MNDV 5

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)
321 (≥) 745 (≥) 12 34 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade 14 MNDV 5

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 - -     0.13 -  
824 331 - 41.3 312   -  
713 - 11 33.2   133 323

Heat Treatment of steel grade 14 MNDV 5

Heat treated : 1878°C - 1188°C

Technological Curves of steel grade 14 MNDV 5

Cross Reference Table (Equivalent Grade) of 14 MNDV 5

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