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18 CrMo 4-1

Spain UNE 18CrMo4-1 Wrought case hardening steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 18CrMo4-1 / 18 CrMo 4-1
Category Grade Standard Region/Area Standard Content
Metals 18 CrMo 4-1 UNE 36013 Spain Wrought case hardening steels

Chemical composition(mass fraction)(wt.%) of the 18 CrMo 4-1

Element Min Max Similar

Mechanical Properties of steel grade 18 CrMo 4-1

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)
327 (≥) 217 (≥) 42 43 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade 18 CrMo 4-1

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 - -     0.43 -  
938 998 - 32.3 134   -  
669 - 33 31.2   241 114

Heat Treatment of steel grade 18 CrMo 4-1

Heat treated : 1381°C - 1257°C

Technological Curves of steel grade 18 CrMo 4-1

Cross Reference Table (Equivalent Grade) of 18 CrMo 4-1

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