XC 38 H 2 (France / AFNOR NF) Material Properties

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

Data updates

Latest Update: 2020-06
Total number of updates: 2
Update History:
2019-05

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 530 — 940 MPa view details
Elongation, A 12 % 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) 159 — 212 view details
Rockwell Hardness (HR) val1
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view details
Yield Strength, Rp0.2 val1
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ksi view details
Tensile Strength 76.9 — 136.3 ksi view details
Elongation, A 12 % view details
Impact Strength val1
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ft·lb/in² view details
Impact Energy val1
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ft·lb view details
Brinell Hardness (HB) 159 — 212 view details
Rockwell Hardness (HR) val1
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view details

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
0.35 – 0.40
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
≤ 0.40
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.50 – 1.20
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
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 35-557: 1983 / Iron and steel. Heat treatable steels for externally threaded, high performance fasteners for engineering purposes

Heat Treatments

  • <b>Normalized </b> at 850-875°C <br> <b> Heated </b> in the range at 835-865°C, cooled in water and <b>tempered </b> at 550-650°C <br> <b>Jominy test</b> at 850 ± 5°C<br>
  • Normalized: 850-875°C. Water quenching: 850°C +/- 15°C; temper: 600°C +/- 50°C.