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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)
423 (≥) 126 (≥) 21 31 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

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
12 - -     0.22 -  
656 855 - 43.3 323   -  
464 - 14 22.2   442 313

Heat Treatment of steel grade 19 MnB 4

Heat treated : 1212°C - 1946°C

Technological Curves of steel grade 19 MnB 4

Cross Reference Table (Equivalent Grade) of 19 MnB 4

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