CF 35 SMnPb 10 (Italy / UNI) Material Properties

Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: Italy / UNI

Data updates

Latest Update: 2019-05
Total number of updates: 1
Update History:

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 550 — 1030 MPa view details
Elongation, A 6 % view details
Impact Energy val1
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J view details
Brinell Hardness (HB) ≤ 230 view details
Yield Strength, Rp0.2 val1
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ksi view details
Tensile Strength 79.8 — 149.4 ksi view details
Elongation, A 6 % view details
Impact Energy val1
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ft·lb view details
Brinell Hardness (HB) ≤ 230 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
0.32 – 0.39
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
1.35 – 1.65
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
P
VALUE
≤ 0.040
UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
Pb
VALUE
val1
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UNIT
%
CAS NUMBER
7439-92-1
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

UNI 4838: 1980 / Hot rolled unalloyed steel finished products, bars and wire rod, for high speed machining with removal of chips. Qualities, requirements and tests

Heat Treatments

  • <b>Hot plastic deformation (rolling and forging):</b> heated at 950-1230°C;<br /> <b>Normalization:</b> heated at 840-860°C;<br /> <b>Soft annealing:</b> heated at 650-700°C;<br /><b>Hardening:</b> heated at 840-860°C/30min, quenched in oil;<br /><b>Tempering:</b> heated at 580-630°C/1h