Z 100 CD 17 (France / AFNOR NF) Material Properties

Alternative designations: 440 F 20
Material group: Ferrous Alloys / Tool steels, Ferrous Alloys / Stainless steels
Country/Standard: France / AFNOR NF

Data updates

Latest Update: 2020-12
Total number of updates: 3
Update History:
2020-07 2020-04

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Tensile Strength ≤ 880 MPa view details
Brinell Hardness (HB) ≤ 255 view details
Rockwell Hardness (HR) 57 view details
Grain Size val1
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Tensile Strength ≤ 127.6 ksi view details
Brinell Hardness (HB) ≤ 255 view details
Rockwell Hardness (HR) 57 view details
Grain Size val1
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Physical Properties

Temperature

0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 235 GPa view details
Modulus of Elasticity val1
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GPa view details
Modulus of Elasticity val1
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GPa view details
Density val1
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kg/dm³ view details
Poisson Coefficient val1
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Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Thermal Conductivity 30 W/(m∙°C) view details
Heat Capacity val1
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J/(kg∙°C) view details
Electrical Resistivity 0.7 Ω∙mm²/m view details
Electrical Conductivity val1
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S/m view details
Modulus of Elasticity 27.6 E+03 — 34.1 E+03 ksi view details
Modulus of Elasticity val1
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ksi view details
Modulus of Elasticity val1
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ksi view details
Density val1
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lb/in³ view details
Poisson Coefficient val1
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view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Thermal Conductivity 17.3 BTU/(h∙ft∙°F) view details
Heat Capacity val1
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BTU/(lb∙°F) view details
Electrical Resistivity 421 Ω∙circular·mil/ft view details
Electrical Conductivity val1
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S/in view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.95 – 1.10
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
16.00 – 18.00
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 1.0
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
P
VALUE
val1
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UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
val1
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UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3

Iron and steel - Tool steels, AFNOR NF A 35-590 / 1978

Heat Treatments

  • <b>Preheating</b> at 820°C<br> <b>Austenitization</b> at 1025°C, air quenching
  • <b>Quenched and tempered:</b> Oil quenched at 1000-1050°C and tempered at 180-210°C. <br> <b>Softened state:</b> Annealed at 830-880°C, controlled cooled.