STPT 38 (Japan / JIS) Material Properties

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

Data updates

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Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 216 MPa view details
Tensile Strength 373 MPa view details
Elongation, A 21 % view details
Yield Strength, Rp0.2 31.3 ksi view details
Tensile Strength 54.1 ksi view details
Elongation, A 21 % 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
≤ 0.25
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
0.30 – 0.90
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
P
VALUE
≤ 0.035
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

Carbon steel pipes for high temperature service, JIS G 3456 / 1988

Heat Treatments

  • Hot finished seamless pipe and hot finished welded pipe shall be supplied in the as-manufactured condition. However, low temperature annealing or normalizing may be performed if necessary. Cold finished seamless pipe and welded pipe other than hot finished shall be supplied low temperature annealed or normalized.