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20 NiCrMo 3

Germany DIN 20NiCrMo3 Steels for welded round link chains; technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 20NiCrMo3 / 20 NiCrMo 3
Category Grade Standard Region/Area Standard Content
Metals 20 NiCrMo 3 DIN 17115 Germany Steels for welded round link chains; technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the 20 NiCrMo 3

Element Min Max Similar

Mechanical Properties of steel grade 20 NiCrMo 3

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)
258 (≥) 623 (≥) 44 42 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade 20 NiCrMo 3

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
34 - -     0.43 -  
811 547 - 21.3 412   -  
216 - 21 11.2   421 321

Heat Treatment of steel grade 20 NiCrMo 3

Heat treated : 1418°C - 1456°C

Technological Curves of steel grade 20 NiCrMo 3

Cross Reference Table (Equivalent Grade) of 20 NiCrMo 3

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