BÖHLER T671 EXTRA (PROPRIETARY) Material Properties

Material group: Ferrous Alloys / Stainless steels
Country/Standard: PROPRIETARY

Data updates

Latest Update: 2021-02
Total number of updates: 2
Update History:
2017-08

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 862 MPa view details
Elongation, A 10 % view details
Reduction of Area val1
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% view details
Brinell Hardness (HB) 262 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 125 ksi view details
Elongation, A 10 % view details
Reduction of Area val1
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% view details
Brinell Hardness (HB) 262 view details
Rockwell Hardness (HR) val1
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view details

Physical Properties

Temperature

0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 215 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 17 W/(m∙°C) view details
Thermal Conductivity val1
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W/(m∙°C) view details
Thermal Conductivity val1
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W/(m∙°C) view details
Heat Capacity val1
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J/(kg∙°C) view details
Electrical Resistivity 0.8 Ω∙mm²/m view details
Electrical Conductivity val1
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S/m view details
Service Temperature val1
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°C view details
Modulus of Elasticity 27.6 E+03 — 31.2 E+03 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 9.82 BTU/(h∙ft∙°F) view details
Thermal Conductivity val1
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BTU/(h∙ft∙°F) view details
Thermal Conductivity val1
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BTU/(h∙ft∙°F) view details
Heat Capacity val1
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BTU/(lb∙°F) view details
Electrical Resistivity 1.33 E-03 Ω∙circular·mil/ft view details
Electrical Conductivity val1
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S/in view details
Service Temperature val1
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°F 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
Cu
VALUE
val1
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UNIT
%
CAS NUMBER
7440-50-8
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
Nb
VALUE
val1
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UNIT
%
CAS NUMBER
7440-03-1
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>Solution annealing:</b> 1025 to 1055°C, Oil, water or forced air cooling;<br> <b>Age hardening:</b><br> <b>Condition H900 (480):</b> 480°C / 4 h / Air;<br> <b>Condition H950 (510):</b> 510°C / 4 h / Air;<br> <b>Condition H1000 (540):</b> 540°C / 4 h / Air;<br> <b>Condition H1025 (550):</b> 550°C / 4 h / Air;<br> <b>Condition H1050 (565):</b> 565°C / 4 h / Air;<br> <b>Condition H1100 (595):</b> 595°C / 4 h / Air;<br> <b>Condition H1150 (620):</b> 620°C / 4 h / Air;<br> <b>Structure as solution annealed:</b> Martensite;<br> <b>Structure as precipitation hardened:</b> Martensite + intermetallic phases.