Mo 40 (PROPRIETARY) Material Properties

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

Data updates

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Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 750 — 1300 MPa view details
Elongation, A 10 % 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) ≤ 255 view details
Yield Strength, Rp0.2 val1
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ksi view details
Tensile Strength 108.8 — 188.5 ksi view details
Elongation, A 10 % 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) ≤ 255 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
≤ 0.4200
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
≤ 1.1000
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 0.7500
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
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

Saarstahl AG, Product Data Sheets / Available at: www.saarstahl.com, visited 2009

Heat Treatments

  • Forging or hot rolling: 1100 - 850°C; Normalising: 850 - 880°C/air; Soft annealing: 680 - 720°C/furnace; Hardening: 820 - 860°C/oil; Tempering: 540 - 680°C