C35 (France / AFNOR NF) Material Properties

Other designations:
Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: France / AFNOR NF

Data updates

Latest Update: 2024-12
Total number of updates: 5
Update History:
2019-06 2018-10 2018-09 2018-07

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 370 — 1000 MPa view details
Elongation, A 6 % view details
Reduction of Area val1
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% view details
Impact Energy val1
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J view details
Brinell Hardness (HB) 154 — 207 view details
Rockwell Hardness (HR) val1
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view details
Grain Size val1
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Yield Strength, Rp0.2 val1
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ksi view details
Tensile Strength 53.7 — 145 ksi view details
Elongation, A 6 % view details
Reduction of Area val1
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% view details
Impact Energy val1
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ft·lb view details
Brinell Hardness (HB) 154 — 207 view details
Rockwell Hardness (HR) val1
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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 — 211 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
Modulus of Elasticity val1
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GPa view details
Density 7.67 — 7.86 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 42 W/(m∙°C) view details
Heat Capacity val1
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J/(kg∙°C) view details
Modulus of Elasticity 27.6 E+03 — 30.6 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
Modulus of Elasticity val1
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ksi view details
Density 0.277 — 0.284 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 24.3 BTU/(h∙ft∙°F) view details
Heat Capacity val1
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BTU/(lb∙°F) view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.30 – 0.40
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
0.50 – 0.80
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
P
VALUE
≤ 0.040
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 37-502: 1984 / Non-alloy carbon (C superior to 0, 25 per cent) steel cold- rolled strip for heat treatment. Qualities

Heat Treatments

  • <b> Hardening: </b> 840-880°C (Temperatures at the lower end of the range are generally used for water, and those at the upper end for oil quenching. Time for austenitizing as a guide: at least 30 min.); <br> <b>Quenching agent: </b> Water or oil (Other quenching agents such as synthetic quenchants may also be used.); <br> <b>Tempering: </b> 550-660°C (Time for tempering as a guide: at least 1h.); <br> <b>Normalizing:</b> 860-900°C.
  • Austenitizing (at least 30 min), quenching in water or oil: 840-880°C (the temperatures at the lower end of the range are generally applicable to quenching in water and those at the upper end for quenching in oil), other quenching agents such as synthetic quenchants may also be used; Tempering: 550-660°C (at least 60 min); Normalizing: 860-920°C, austenitizing (at least 30 min).