1.6657

France AFNOR NF EN 10084 1.6657 Case hardening steels - Technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 1.6657 Martensite AFNOR France Case hardening steels - Technical delivery conditions
Datasheet for:Steel Grades:Specialsteel:1.6657

Chemical composition(mass fraction)(wt.%) of the 1.6657

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade 1.6657

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)
877 (≥) 899 (≥) 22 14 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 213
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
24 - -     0.21 -  
646 156 - 13.3 342   -  
876 - 42 21.2   323 212
Heat treated : 1311°C - 1957°C
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
1.6657 DIN Germany
Case hardening steels - Technical delivery conditions
14NiCrMo13-4 DIN Germany
Case hardening steels - Technical delivery conditions
1.6657 AFNOR France
Case hardening steels - Technical delivery conditions
14NiCrMo13-4 AFNOR France
Case hardening steels - Technical delivery conditions

Relevant standard

Standard No. Description Download
NF EN 10084 Case hardening steels - Technical delivery conditions
Contact Suppliers with your enquiries for 1.6657 any of the shape and size.

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NF EN 10084, 1.6657 can be supplied as steel plate/ sheet, round steel bar, steel tube/pipe, steel stripe, steel billet, steel ingot, steel wire rods. electroslag, forged ring/ block,etc.
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1-6657 14NiCrMo13-4