Z 20 C 13 (France / AFNOR NF) Material Properties

Alternative designations: 420 F 20
Material group: Ferrous Alloys / Stainless steels
Country/Standard: France / AFNOR NF

Data updates

Latest Update: 2020-07
Total number of updates: 4
Update History:
2020-01 2019-05 2019-01

Mechanical Properties

Temperature

0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Yield Strength, Rp0.2 val1
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Yield Strength, Rp0.2 val1
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MPa view details
Yield Strength, Rp0.2 val1
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Tensile Strength 450 — 1550 MPa view details
Elongation, A 5 % view details
Impact Strength val1
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kJ/m² view details
Impact Energy val1
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J view details
Brinell Hardness (HB) ≤ 240 view details
Rockwell Hardness (HR) val1
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view details
Yield Strength, Rp0.2 val1
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MPa view details
Yield Strength, Rp0.2 val1
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MPa view details
Yield Strength, Rp0.2 val1
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MPa view details
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 450 — 1550 MPa view details
Elongation, A 5 % view details
Impact Strength val1
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kJ/m² view details
Impact Energy val1
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J view details
Brinell Hardness (HB) ≤ 240 view details
Rockwell Hardness (HR) val1
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view details

Physical Properties

Temperature

0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 216 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 0.55 Ω∙mm²/m view details
Electrical Conductivity val1
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S/m view details
Modulus of Elasticity 190 — 216 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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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
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 0.55 Ω∙mm²/m view details
Electrical Conductivity val1
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S/m view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.18 – 0.23
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
12.0 – 14.0
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 1.00
UNIT
%
CAS NUMBER
7439-96-5
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

NF A 35-573: 1990 / Stainless steels for general purposes - Plates, wide strips and strips

Heat Treatments

  • <b>Annealed</b> at 775 to 825°C for semi-finished products forging and re-rolling, bars and wire rods for machining and at 800 to 850°C for semi-finished products for hot-spinning, wire rod intended for drawing or forming;<br> <b>Quenched and tempered condition (T700): </b> Quenched at 950-1000°C, oil and air cooled and Tempered at 675-725°C; <br> <b>Quenched and tempered condition (T800): </b> Quenched at 950-1000°C, oil and air cooled and Tempered at 650-700°C.
  • <b>Quenched and tempered:</b> Oil quenched at 950-1000°C and tempered at 180-210°C. <br> <b>Softened state:</b> Annealed at 730-780°C, cooled in oven.