BÖHLER V155 (PROPRIETARY) Material Properties

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

Data updates

Latest Update: 2021-02
Total number of updates: 2
Update History:
2017-04

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 800 — 1400 MPa view details
Elongation, A 7.3 % 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) ≤ 248 view details
Yield Strength, Rp0.2 val1
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ksi view details
Tensile Strength 116 — 203.1 ksi view details
Elongation, A 7.3 % 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) ≤ 248 view details

Physical Properties

Temperature

0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 210 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 val1
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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
Electrical Resistivity 0.19 Ω∙mm²/m view details
Electrical Conductivity val1
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S/m view details
Modulus of Elasticity 27.6 E+03 — 30.5 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 val1
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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
Electrical Resistivity 114 Ω∙circular·mil/ft view details
Electrical Conductivity val1
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S/in view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
val1
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UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
val1
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UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
val1
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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
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3

Böhler Edelstahl, Product Data Sheets / Available at: www.bohler-edelstahl.com, visited 2015

Heat Treatments

  • <b>Hot forming, forging:</b> 1050 to 850°C, Slow cooling in furnace. <br> <b>Normalizing:</b> 850 to 880°C, Air cooling <br> <b>Annealing:</b> 650 to 700°C, Controlled, slow cooling in furnace.<br> <b>Stress relieving:</b> In the quenched and tempered condition, approx. 30 - 50°C below tempering temperature. In the annealed condition 600 to 650°C. Holding time: > 1 hour.<br> <b>Hardening: </b> 830 to 860°C / Oil <br> <b>Tempering: </b> 540 to 680°C / Air cooling. Tempering should immediately follow hardening. Holding time: > 1 hour;<br> <b>Nitriding:</b> The steel admits both gas and bath nitriding.