30 NC 11 (France / AFNOR NF) Material Properties

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

Data updates

Latest Update: 2025-03
Total number of updates: 4
Update History:
2020-06 2020-03 2019-05

Mechanical Properties


Temperature

≤ 0°C
0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa
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Tensile Strength 620 MPa view details
Elongation, A 11 % view details
Impact Strength val1
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kJ/m²
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Impact Strength val1
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kJ/m²
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Impact Energy val1
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J
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Brinell Hardness (HB) ≤ 235 view details
Rockwell Hardness (HR) val1
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Yield Strength, Rp0.2 val1
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ksi
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Tensile Strength 89.9 ksi view details
Elongation, A 11 % view details
Impact Strength val1
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ft·lb/in²
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Impact Strength val1
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ft·lb/in²
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Impact Energy val1
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ft·lb
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Brinell Hardness (HB) ≤ 235 view details
Rockwell Hardness (HR) val1
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Physical Properties


Temperature

0 - 30°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 210 GPa view details
Density 7.67 — 7.86 kg/dm³ view details
Poisson Coefficient 0.27 — 0.3 view details
Modulus of Elasticity 27.6 E+03 — 30.5 E+03 ksi view details
Density 0.277 — 0.284 lb/in³ view details
Poisson Coefficient 0.27 — 0.3 view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.27 – 0.34
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
0.60 – 0.90
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.35 – 0.60
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
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 35-556: 1984 / Iron and steel. Heat treatable steels for externally threaded fasteners for structural purposes

Heat Treatments

  • <b> Heated </b> in the range at 835-865°C, cooled in oil and <b>tempered </b> at 550-650°C <br> <b>Jominy test</b> at 850 ± 5°C<br>
  • <b>Hardened</b> at 835-865°C, quenched in oil <br /> <b>Tempered</b> at 550-650°C