P 28 (Korea / KS) Material Properties

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

Data updates

Latest Update: 2014-01
Total number of updates: 1
Update History:

Mechanical Properties

Temperature

≤ 0°C
0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 225 MPa view details
Tensile Strength 370 — 510 MPa view details
Elongation, A 24 % view details
Impact Energy val1
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J view details
Impact Energy val1
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J view details
Yield Strength, Rp0.2 32.6 ksi view details
Tensile Strength 53.7 — 74 ksi view details
Elongation, A 24 % view details
Impact Energy val1
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ft·lb view details
Impact Energy val1
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ft·lb 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
Al
VALUE
≥ 0.0200
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
≤ 0.1800
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
≤ 0.3000
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cr+Cu+Mo
VALUE
val1
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UNIT
%
CAS NUMBER
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
N
VALUE
val1
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UNIT
%
CAS NUMBER
7727-37-9; 17778-88-0
CRITERIA
Nb
VALUE
val1
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UNIT
%
CAS NUMBER
7440-03-1
CRITERIA
Nb+Ti+V
VALUE
val1
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UNIT
%
CAS NUMBER
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
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
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3
CRITERIA
Ti
VALUE
val1
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UNIT
%
CAS NUMBER
7440-32-6
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

D ISO 9327-4: 2003 / Steel forgings and rolled or forged bars for pressure purposes - Technical delivery conditions - Part 4：Weldable fine grain steels with high proof strength

Heat Treatments

  • Normalizing: 880-960°C, air cool; Quenching: 860-940°C, oil or water quench; Tempering: 560-700°C.