Grade 14.9 (United Kingdom / B.S.) Material Properties

Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: United Kingdom / B.S.

Data updates

Latest Update: 2019-10
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 1373 — 1569 MPa view details
Elongation, A 7 % 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) 390 view details
Rockwell Hardness (HR) val1
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view details
Vickers Hardness (HV) val1
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view details
Yield Strength, Rp0.2 val1
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ksi view details
Tensile Strength 199.1 — 227.6 ksi view details
Elongation, A 7 % 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) 390 view details
Rockwell Hardness (HR) val1
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view details
Vickers Hardness (HV) 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
0.1900 – 0.5200
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr+Mo+Ni
VALUE
≤ 1.5000
UNIT
%
CAS NUMBER
CRITERIA
Mn
VALUE
≤ 0.8000
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
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

ISO metric precision hexagon bolts, screws and nuts. Specification, BS 3692

Heat Treatments

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