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Germany DIN 19MnB4 steels and nickel alloys for fasteners with specified elevated and/or low temperature properties and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 19MnB4 / 19 MnB 4
Category Grade Standard Region/Area Standard Content
Metals 19 MnB 4 DIN EN 10269 Germany steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

Chemical composition(mass fraction)(wt.%) of the 19 MnB 4

Element Min Max Similar

Mechanical Properties of steel grade 19 MnB 4

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)
148 (≥) 828 (≥) 22 22 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade 19 MnB 4

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
42 - -     0.13 -  
237 926 - 33.3 223   -  
325 - 22 24.2   131 132

Heat Treatment of steel grade 19 MnB 4

Heat treated : 1354°C - 1973°C

Technological Curves of steel grade 19 MnB 4

Cross Reference Table (Equivalent Grade) of 19 MnB 4

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